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This yields high velocities that provide explosive impacts on small varmints. With more time I will undoubtedly work that out but I am more than pleased with where I have begun. Primal Rights is also a reseller of Tangent Theta optics, as well as offering marksmanship training at their facility located in South Dakota. More research brought me to Reloder 17 powder. I have not grouped past 1,000 with that rifle yet though. 100% of them were killed with this CZ Model 550 .22 Creedmoor build. What kind of velocity are you guys getting with the 75s or 80s out of the Creedmoor? . For example, shooting the 22 Creedmoor with a moderate handload and Hornadys 75-grain ELD, the bullet leaves the pipe at 3,200 fps and that is not on the hot side for this cartridge. The 22 Creedmoor round is just too darn good to pass up, and yes, I see the same pattern in future factory rifles developing. Of course you can neck down high-quality Lapua 6mm Creedmoor brass. Loren Lunsford Remington's "Deadliest Mushroom" comes with improved accuracy, flatter trajectory, and enhanced terminal ballistics with the new Big Green polymer tip. Start low and work up. JavaScript is disabled. SAAMI test data confirms 6.5 mm Creedmoor, 15 feet (4.6 m) from muzzle, velocity of 2,940 ft/s (896 m/s) for the 129-grain bullet and 2,690 ft/s (820 m/s) for the 140-grain bullet (which compares to .300 Winchester Magnum data of 2,930 ft/s (893 m/s) for a 200-grain bullet and 2,665 ft/s (812 m/s) for a 210-grain bullet). My partner, Terry Fauth, the game keeper in the area for an outfit that raises ringneck roosters among other things, and I set up to cover about 500 yards of the shallow valley floor. Each of the below loads are over pressure. 6.5 Creedmoor Ballistics Chart. This is the first time Ive enjoyed the luxury of handpicking every component during a custom-rifle build, and Hegstrom is a true master. We re seeing around 2 grs less powder with 88 s vs 80 s. Impressive cartridge. 2023 Grand View Outdoors All Rights Reserved I will probably be using 4350 as I have plenty of it, but ive got some rl25 and 26 as well. I do not think I will ever move away from this speedster. Without exception, with every single load tested, bolt lift was effortless and primers showed no sign of excessive pressure with any loads listed. The 308/175 SMK outperformed the 6.5 Creedmoor/ 142 SMK inside of 800 yards, however, at 1,000 yards the superior characteristics of the 142 SMK allows it to perform better. That's well over Mach 3! What would be the advantages or disadvantages of a 22 Creedmore? . Speaking for all of us here at Varminter, we love Redding dies. As most shooters know, Peterson Cartridge casings can handle more pressure than the SAAMI Maximum Average Pressure (MAP) lists as safe. The very first group from this rifle with this random load produced a .50-inch, five-shot, 100-yard group. An extra grain of powder broke 3,000 fps but opening that group to an even inch. Please understand that the bullets and powders we chose to evaluate may not be the most popular among some shooters; however, our goal is to provide a wide spectrum of bullet weights and the powders used with them. I run 77gr Sierra TMKs at 3640fps under 1/2 moa. The .22 Creedmoor (and this rifle especially) is a definite winner. Gemtech One Suppressor Hey guys, I'm brand new to Gunhive and I came by references to the 22 Creedmoor. That growth continues as of this writing, as the cartridge has now gone mainstream with hunters and shooters alike. Reloder 26 proved worthwhile yet again, printing .26 inch at a respectable 3,202 fps. Besides having created a ton of helpful articles on reloading, and shooting in general, Primal Rights also produces and sells some advanced reloading equipment and rifle parts. Also, both the magnum and standard primers were of the same brand (Federal). However, we could not directly test this theory, since, at this time, we do not possess the requisite equipment. FPS and bullet weight (grains) work together to create the rearward force that drive the weapon's cycling. Smith also made use of a factory load offered byCopper Creek Cartridge. Magnum primers increased our velocity, on average, by 25 fps, #2. He shot this water-filled aluminum can at 200 yards. New, properly-headstamped brass was ordered from Hornady and was used in all loads. (function() { Using 43 grains of VV-N560 produced a .58-inch group at 3,295 fps. H4350 is my go to powder on all 4 of my creedmoor. By that I mean everyone has their own idea of the best bullets to use in terms of design and grain weight. Hang time from muzzle to target is very short. Past experiences with Enduron powders mirror this experience, with groups often tightening as loads approach maximum. Norma URP deserves more exploration because all loads grouped into less than an inch. Jake Dempsey New Hunter Experience Noslers 85-grain RDF, with a .498 BC, is not a bullet likely to expand properly on small varmints, though it would make an ideal choice for shooting predators destined for the raw-fur market. The first near .25-inch group resulted from 44.5 grains of Alliant Reloder 26 at 3,388 fps, which also included a single-digit extreme velocity spread. The group measured .26 inch center-to-center. I chose a completely random load of 41 grains of Vihtavuori N560 beneath this bullet. The 22 Creedmoor is basically a factory-developed wildcat round by Hornady. The 22LR muzzle velocity has a lot to do with the weight of the bullet measured in grains, which is why we see hyper velocity bullets weighing in at 30 gr -32 gr. Most of the shots on video are self-explanatory, but some stood-out and deserve a short synapsis. The bullet carries a ballistic coefficient of .444 and stays very active well beyond 1,000 yards. Hegstrom prepared the blank, producing a 26-inch finished length with muzzle threads to accept a suppressor, included a recoil lug and trued the action and bolt head. The system feeds well and allows for faster unloading. You may not reproduce original text or photos without advanced permission in writing. Magnum primers increased our velocity standard deviation (SD) and extreme spread (ES) by 7 fps and 14 fps, respectively. Horizon Firearms, located in College Station, Texas, produces some of the finest bolt action firearms on the market today. There are 437.5 grains in one ounce. The 105-115 gr bullets they favor make it easier to see their impacts at long range. Along with his reloading dies, he also produces reloading tools and custom rifles. With the idea of staying with heavy bullets of 70 to 88 grains or even more, the 1:7-inch twist rate is a natural regardless of weather, altitude or other related conditions that change bullet performance and seems like a reasonable approach to the new round. You are using an out of date browser. Since there is not yet a SAAMI spec for the 22 Creedmoor, the cartridge is officially still a wildcat. I did try h4350 in a ladder test and it seemed to have promising results. The 22lr muzzle energy is the kinetic energy of the bullet as it leaves the muzzle. Mike Barton If you have any other specific questions just let me know. Please check out his website at https://www.whiddengunworks.com/. While doing my initial testing, I tried various powders, including Varget, IMR 4166 Enduron and H4350. After the barrel was broken in a bit (following PROOF Researchs recommended procedure), that very load produced a .28-inch, 5-shot 100-yard group at 3,139 fps. The 22 Creedmoor is quickly establishing itself as the go-to big 22cal. if you want more speed I'd go either ai or cm depending on how you feel about the above "benefits" As the popularity of the 6.5 Creedmoor has increased, so have the number of wildcat cartridges off of which it is based. The Remington Golden Bullet 36 gr has less drag than the CCI Stinger Ammo. . That growth persists in 2020; the cartridge continues to gain currency with hunters and shooters alike. When they hit a certain point, both dogs dropped out of sight. Only one of nine A-Tip loads printed groups larger than an inch, with one right at an inch. Cache Carlson You must log in or register to reply here. I don't have my book with me at work. In terms of accuracy, it was common to shoot 0.44-inch groups at 100 yards with Smiths custom rifle and either handload as well as the Copper Creek factory offering. The first group is just touching the lands and then backed it off by .010 for each of the next 4 groups. Ive experienced fairly reliable terminal performance on small varmints with Berger 6mm bullets, and the companys .224-caliber, 85.5-grain Long Range Hybrid Target is one of its newest offerings. In addition to their rifles, F4 also sells AR15 receivers, handguards, barrels, and Nightforce optics. My groups varied from 0.95 down to 0.50 in ideal conditions. My obsessions lean heavily to burrowing rodents or predators willing to investigate the morbid cries of dying bunnies. Hornadys A-Tip Match is a long-range optimized design with a milled aluminum tip sharper than polymer designs. The distance was approximately 225 yards and I was battling the wind to stay on target. Vihtavuoris N565 didnt produce a noteworthy group until it hit maximum, with 45 grains printing .46 inch at 3,257 with a 38-fps extreme velocity spread. This takes place not with the Swifts lightweight 55-grain bullets, but heavy weights that run into the 75- and 80-plus grain weights. F4 Defense is a top-tier rifle manufacturer who specializes in semi-automatic rifles, specifically small fame AR10s. My stock should be in next week then i'll give them a go and i can let you know. I figured if i can find the right COAL while breaking in the barrel it would be a plus. If you have an appropriate twist-rate barrel, you can load the 22 Creedmoor with heavy 85-95 grain bullets. Why then is the new cartridge not being offered in a factory loaded round yet? I started by gathering required parts: a new Remington 700 .308 action, Timney Trigger, PROOF Research barrel blank with a 1:7 twist (ordered through stockysstocks.com), a Stockys AccuBlock EuroMatch adjustable cheekpiece laminated stock and a MAGPUL magazine well kit with a PMag 10-round box magazine. With the push for small caliber rifles to shoot heavier bullets, I realized that those shooters had the right idea, but were pushing bullets that were much too heavy for the average varmint hunter. If you look at the 22lr ballistics table above you will see how the muzzle velocity of 22lr diminishes at 100 yards and 200 yards. He is also a reseller of Barnard Actions, Peterson Cartridge rifle brass, loaded ammunition, and projectiles. Pet Loads and Handloader are registered trademarks of Wolfe Publishing Company. _gaq.push(['_setAccount', 'UA-6323545-2']); Starline 6mm Creedmoor Brass Large Primer, Zeiss Conquest V6 3-18x50mm (30mm tube), .17 Remington AR15 Project with Rockchuck and Thermal Coyote Hunts, The Mossberg 940 Pro Turkey Shotgun Perfect for Coyote Hunting, 2022 New Thermal and Night Vision Products from AGM Global Vision, Lithgow LA-101 Overview and Hunt Report 17HMR Series, Franklin Armory F17-L Review and Hunt Report, The New Steyr Arms Zephyr II Rimfire Rifle, Review of the Winchester 1885 Rifle in 17WSM with Hunt Report, Varminter Magazine Live Stream Q&A Rimfire Ammo 17WSM LF The Future of Varminter, ICOtec Game Callers New for 2023 Including Nightstalker+ and Rascal Bluetooth Game Call. Looks like H4350 should serve us well with the 80 gr ELDM. As we have discussed above, estimating pressure is crucial when trying to develop a load for your rifle that is under the SAAMI Maximum Average Pressure (MAP). Hornadys taking a long range shot at outgunning the .22 Swift. Subscribe and Read More There is an excellent write-up in the GunsAmerica Digest about the 22 Creedmoor cartridge. Normas time-tested MRP proved remarkably consistent with 41.5-, 42.5- and 43.5-grain charges producing nearly identical groups of .45, .46 and .47 inch, respectively, at velocities from 3,198 to 3,371 fps. It will make a great rockchuck and predator combo. I could not argue with his logic. LEARN MORE about the 22 Creedmoor Any help would be appreciated, and I know pressures from rifle to rifle vary. Some hunters make good use of it for deer hunting via pinpoint shot . A .498 G1 BC would make this an excellent long-range predator option. I shot more than 20 rockchucks that first full day out at the ranch. So, it wasnt until the 6mm incarnation appeared that the Creedmoor name entered my orbit. My holdover was minimal at all ranges and even with the sustained winds of 20mph and the frequent 35mph gusts, my windage adjustments never exceeded 2MOA. Increasing that charge to 42 grains resulted in 3,443 fps, but a larger .66-inch group with a slightly lower extreme velocity spread. The cheetah might have a bit more horsepower depending on who's loading it, but the 22CM is an easy button in comparison. It is ready for varmints or predators, dealing with windy conditions or even pursuing pronghorn to deer-sized big game. |, Incoming Robin Hood Video: Archer James Jeans Most Dangerous Trick Shot, Video: Hunting Winter Coyotes With a Longbow, Headrest Safe From the Headrest Safe Company, Python Hunter Catches 28 in Florida Python Challenge. To illustrate this difference, we loaded 5 casings with large rifle magnum primers. To my way of thinking, and also that of my associates who are worldwide-known custom gunsmiths, the consensus seems to be, "Why worry about light bullets in this cartridge when heavier bullets meet every possible need downrange regardless of the distance encountered?". I didn't have enough room in my case to get what I wanted out of it as far as accuracy and low sd/es. (Photo: L.P. Brezny). I currently have H-1000, H4831SC,and Retumbo on hand, as well as federal 210-m primers and virgin Hornady 22 Creed brass. As the .22 Creedmoor has grown in popularity, so has the number of companies that produce components and rifles designed for, and chambered in, the new caliber. The 220 Swift certainly has the speed at muzzle velocity, but once you're shooting out past 400-500 yards, the 22 Creedmoor quickly outshines the competition in each category we looked at. Sierra bullets needs little introduction, as they produce some of the highest quality projectiles available today. I cant confirm that, but it was continually going up in pressure. There was a slight feeding issue, caused by the slightly less taper in the case, not allowing the cartridge to load properly with the control-feed action. One that comes to mind is at 4:56 in the video. The RLs you listed are probably too slow though. Hornady's taking a long-range shot at outgunning the .22 Swift with its blistering 22 Creedmoor bullets, with the 75-grain ELD handloads leaving the pipe at 3,200 fps. If you watch the video carefully, you will see that the bullet completely opens up the rockchuck, causing immense damage, killing it instantly. . Overall, none gave me the accuracy, velocity and lower pressures I was looking for. John has really stepped up for the .22 Creedmoor community by producing a great set of reloading dies which work well with our, and others, .22 Creedmoor casings. For a better experience, please enable JavaScript in your browser before proceeding. In some instances, the velocity SD and ES might improve or worsen, depending on where you are in relation to a consistent velocity node in your particular rifle. Cache Carlson Our full custom builds typically average between $4,500-$5,000. That way, the only difference between the two sets of 5 rounds was the type of primer used. The advent of the 6mm Creedmoor immediately had folks necking the hornady 6mm down to 22 cal and upon doing so found virtually the perfect case capacity for heavy weight .224 bullets. I need to get some better glass if I am going to reach out farther consistently. Eric Mayer, Overviews/Technical/Guns/Reloading: Here are five Cooper Creek options with Sierra and Berger bullets: In addition, multiple companies are now selling 22 Creedmoor cartridge brass: Alpha Munitions, Atlas ADG, Hornady, and Peterson Cartridge. In addition to their hundreds of other bullet options, Sierra also produces some heavy-for-caliber 22 caliber bullet options which are suited well for use with the .22 Creedmoor. Soon after that there was a soft but distinct snapping sound in the dead still morning air of a suppressed shot. You cannot be certain unless you run all of the different test combinations, and this limited test was just conducted for our own curiosity. This is where I'd start. It weighs 13.36 pounds with a Trijicon 4.5-30x 56mm AccuPower scope installed in 34mm Precision Hardcore Ranger Rings on a 20 MOA Tru Level Picatinny rail by the same maker. 1 at 395 and the other around 475.. The Bullet Ballistic Coefficient for CCI Stinger Ammo is .084 compared to the BC of the Remington Golden Bullet of .125. With those slower burning powders, like H1000 and RL26, we wanted to make sure we used a primer with the most potential to ignite them. Ranging back to me at the calling stand, the range finder returned 1,017 yards. We then tested those loads in our universal receiver so we could record a pressure for each load. bullets and fast twist rifling, usually 1:8 or even 1:7.5. Hornadys taking a long range shot at outgunning the .22 Swift. going from a 1 in 7 to a 1 in 8 twist) will reduce the pressure that the casing experiences during firing. One gong shoot competition and the 22 Creedmoor stole my heart. Generally the heavier and faster the bullet the more damage it will do to the intended target. H4350 would be my powder of choice. Redding was kind enough to send us a full 3-die set for this reloading project. (or 22-250AI, as capacity should be the same) I'm leaning/aiming to push the 80 ELD-M, with G1 BC over .5 according to Kestrel/AB. This data sheet deals with the .22 Creedmoor. (Photo: L.P. Brezny). According to Derek Peterson, President of Peterson Cartridge, We decided to build the tooling to make our .22 Creedmoor brass in response to the uptick in long-distance predator and varmint hunting. You get 22-250 class velocities with a more modern cartridge design, and high-quality brass. So, we took the time to do a little testing to show the difference using a magnum primer can make compared to a standard primer when shooting .22 Creedmoor. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. It's all about looking at speed and BC together. Starline 6mm Creedmoor Brass Large Primer (necking down is a very simple process and Starline holds up to the resizing very well) Velocity was pretty good with rl 26 at around 3100, but I'm getting 3000 with 4350 with low es and way more consistent groups. The Creedmoor gets its longrange performance reputation from a combination of 140- to 143-grain, high B.C. (function(){var cid=document.createElement("script");cid.async=true;cid.src="//seal.digicert.com/seals/cascade/seal.min.js";var s = document.getElementsByTagName("script");var ls = s[(s.length - 1)];ls.parentNode.insertBefore(cid, ls.nextSibling);}()); 5601 116th Ave N For reference, note that, after we gathered all of our test data, we searched popular internet forums to gather information about loads that shooters were currently using in their .22 Creedmoor rifles. When we met up with them, Smith and Willcuts were stacking extra gear and getting ready to start a march across some deep snow uphill to retrieve the coyote and assess bullet damage. You may notice that we used large rifle magnum primers for this testing. Red At 3,200 fps, the bullet requires 0.736 seconds in hang time to go 500 yards; moving out to 1,000 yards takes 2.002 seconds. The target was moving away at an angle, and the bullets were now angling toward the air space we were covering. This is a great thread! Full house loads in 7-pound rifles recoil with about 15.7 ft.-lbs. })(); To comment on a post, click Post Title or "Comment" Link. As a rule the faster the muzzle velocity the shorter the bullets time in flight and there for a flatter trajectory and less drop. The powder seemed to build up pressure for no apparent reason. Testing my two rifles here at Ballistics Research & Development I am nothing but impressed. Increasing charge weight and velocity doubled that group size. Nothing lived after being hit with the 64 grain TGK out of my Killmore! I am good friends with a local rancher who grows crops and runs cattle in Idaho. As built by LRI,Long Rifles, Inc.out of Sturgis, S.D., the rifle is a turn-bolt tack driver set up very much like most upper grade long range rifles we see as custom-built field tools. I'd say try your 4831sc or pick up some h4350. This data sheet will cover the .22 Creedmoor. It shoot similar to my new 22 CM. Hornady offers the bullets, cases and dies. The gun is going to wear a 24 inch 1-7 twist criterion barrel. For our testing, we did not have a second universal receiver barrel with an identical twist rate to match that of the rifle with which we conducted our testing. You can check out their operation at https://horizonfirearms.com/ or https://22creedmoor.com/. A 22 Creedmoor for deer will work as well as any 6mm or 6.5mm caliber, and sometimes even beter out at longer distances. Since its inception in 2007, the 6.5 Creedmoordeveloped by Hornadyhas seen meteoric growth in its popularity. .22 Creedmoor Velocity: 3277 FPS 5.56 NATO Velocity: 2859 FPS (from 26 barrel) From the manufacturer: Introducing Mead 5.56 X45 77gr BTHP, Match quality ammunition from our friends at MEAD INDUSTRIES! That proves out how flat the trajectory is with this cartridge/bullet combo. If you are looking at a new varmint cartridge, I highly recommend the .22 Creedmoor. J Jfal Professional Reloading- What pressure signs do you stop at. I would look at load data for the 6 creedmoor with 105 class bullets and start from there. His load consists of an 80-grainBerger VLDat a muzzle velocity of 3,450 fps. Zeiss Conquest V6 3-18x50mm (30mm tube) As with any new wildcat cartridge, its difficult to determine where actual maximum loads lay without the benefit of pressure equipment, or at least factory ammunition to use as a baseline for measured case expansion. The results were interesting to say the least. This rockchuck was huge and obviously spent his life gorging on the pasture grass where the ranchers cows grazed. I have listed below a few of the companies that produce quality components, supplies, and rifles related to .22 Creedmoor. Lapua brass has outstanding consistency and durability. Analyzing the above data, we observe that changing between using standard large rifle primers and large rifle magnum primers did cause a slight change in a few outcomes, including velocity and pressure, during our test: #1. It has been reported that when standard lead-core, copper-jacketed bullets are used in the .22 Creedmoor, should the bullets be pushed at too fast a velocity, they might disintegrate in the air before they reach the target. how does barrel length affect bullet drop? The charge is low and i expect to end up in the 42-43gr range but its new brass and a new barrel so trying to find a charge weight and FPS wouldn't help right now. Please enable JavaScript to view the comments. One of my closest friends has a custom rifle chambered in 6.5x280AI (yes, a wildcat of a wildcat - he's a velocity fein). Bullet choice became more excruciating. Hodgdon H-4350 was touted as an early .22 CM favorite, but it managed only .52 inch with its best load; 37.5 grains at 3,087 fps. Ramshot Magnum, relative to other options from this rifle/cartridge, provided groups from .60 to .92 inch at 3,136 to 3,336 fps despite very low extreme velocity spreads. Hailing from Central Idaho, Cache has been a predator caller for over 20 years.He is a frequent participant in Coyote calling contests across the Northwestern States.His knowledge of predator habits and the tools needed to hunt them is the reason why we now have him writing for Varminter Magazine. At the kill site, Smith found a stone-dead male coyote shot straight through the head. This .39-inch, five-shot 100-yard group resulted from 41 grains of IMR-4955 Enduron powder beneath a Hornady 80-grain ELD Match bullet. The number is in the form of a decimal. In fact, we (Peterson Cartridge) personally own one of their Competition Primer Seaters which we use for our development work in our loading operation. That combination worked well when distances exceeded 400 yards, especially when prairie winds stir. I haven't burned one up yet. The bullet weight of CCI Stinger Ammunition is 32 grains; therefore its bullet weight is .07 ounces. There, the landscape is wide and rolling with cuts as deep as several hundred feet that divide whole sections of soft, smooth hillsides that quickly turn into deep draws that almost require ropes and repelling techniques when retrieving a kill that has been made toward the bottom. Will Chambers New casings were used for both tests. Please check out their article on the .22 Creedmoor here https://www.primalrights.com/library/cartridge-guides/22-creedmoor, and you can check out their website here http://www.primalrights.com/. Since the .22 Creedmoor is not a typical magnum cartridge, we thought it would be helpful to explain why we chose to use large rifle magnum primers instead of standard large rifle primers. Therefore, in the Maximum Pressure Load Data section listed above, we were only able to estimate the pressure each load produced in the rifle. Hello all, I am currently building my first 22 Creedmoor and plan on shooting the 88gr ELD-M from Hornady. The notable difference is .22 CM rifles are normally equipped with faster rifling twists to stabilize heavier, higher BC bullets. My average shot on coyotes is between 200 and 300 yards and about the same on crows. It may not display this or other websites correctly. Along with more than 25 other calibers, Peterson Cartridge now offers casings in 6.5 Creedmoor, 6 Creedmoor, .25 Creedmoor, and .22 Creedmoor. Hunting the White River country in central South Dakota presents its own set of problems in terms of locating coyotes that are in gunning range. Nos BT or V-Max. It carried a special short chamber and, by the direction of Satterlee himself, I was told I could increase my power charge by two grains as the barrel is designed to take some added pressure. [In this LOAD DATA Document] you will find four (4) common bullets, and four (4) common rifle powders used when handloading the .22 Creedmoor cartridge. 22 Creedmoor Brass from Peterson Cartridge He concluded it worked best as a varminter, but could also do PRS duty, provided it is loaded under the 3200 fps velocity limit common in PRS matches. The pressure measured for each load was not meaningfully affected by this slight COAL shortening. Just because the casings can handle extra pressure, does not mean you should exceed recommended pressure standards. Longer, thinner barrels will be affected by heat and will tend to . Cartridges Abbreviated By Manufacturer: (C) = CCI; (H) =Hornady; (R) = Remington; (W) = Winchester. The .22 Creedmoor (and this rifle especially) is a definite winner. The higher the number the lower the drag of the bullet. The latest generation in Remington Core-Lokt ammo is available with Remington Core-Lokt Tipped 6.5 Creedmoor 129 Grain Centerfire Rifle Ammo. The custom Surgeon rifle featured a 22-inch barrel, and I decided to shoot the test without the suppressor attached (i.e. I have shot the swift for many years. That was followed by a strange movement of air that tracked through the cold very far off, then stopped abruptly with a thud-like sound. Glen R. Shaffer A short piece of Picatinny rail was installed on the forearm to accept a MAGPUL bipod. None of the Big-Five rifle makers have expressed interest in the .22 Creedmoor at this time. SUB-2000 Glock 19 vs 17. Enter the 22 Creedmoor as an AT&T long distance fur harvesting system. Im hopeful A-Tip groups will tighten as the barrel breaks in. However, we need to caution everyone reading this data sheet not to exceed the SAAMI Maximum Average Pressure (MAP), listed at 62,000 psi, for the .22 Creedmoor. Reference the Bullet Ballistic Coefficient Chart above. 40-42grs will probably be your sweet spot. https://www.facebook.com/22CreedmoorRifles/, https://www.primalrights.com/library/cartridge-guides/22-creedmoor.