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. In addition to producing some of the lightest AR10’s in the world, F4 Defense is the only company in the gas gun industry that has a SUB-1/2MOA accuracy guarantee. 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. Again, these loads are just designed to give shooters information regarding what velocity a bullet and powder charge combination will produce given the SAAMI Maximum Average Pressure (MAP) of 62,000 psi. 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. Magnum primers increased our velocity, on average, by 25 fps, #2. The 22-250AI was always an option, but many folks weren't accepting of fire forming. You may notice that we used large rifle magnum primers for this testing. Do not use the below loads in your rifle. Just because the casings can handle extra pressure, does not mean you should exceed recommended pressure standards. That growth persists in 2020; the cartridge continues to gain currency with hunters and shooters alike. The .22-243AI, middlestead, and 22-6 were speed demons to be sure, but there were always crippled due to mag length restrictions or fire forming considerations. The tough northern coyotes we hunt have a reputation for taking some vicious hits and then just getting back up to run off. going from a 1 in 7” to a 1 in 8” twist) will reduce the pressure that the casing experiences during firing. Your favorite large rifle or small rifle magnum primer. All load data for reference only. We hope the above data will help you shoot your .22 Creedmoor with more confidence that … My main 26" barrel is pushing 80gr Berger's at 3525fps and is relentless inside 800yds. Along with his reloading dies, he also produces reloading tools and custom rifles. The F4 Defense website is 6mm Creedmoor 58-110 gr. Since its inception in 2007, the 6.5 Creedmoor—developed by Hornady—has seen meteoric growth in its popularity. They are also the operator of the .22 Creedmoor Facebook page located at Primal Rights is also a reseller of Tangent Theta optics, as well as offering marksmanship training at their facility located in South Dakota. Phone: 605-554-1911 | Email : Horizon Firearms, located in College Station, Texas, produces some of the finest bolt action firearms on the market today. There certainly was room for a "better mousetrap" and the 22 Creedmoor does an exceptional job of filling that void. The loads we chose to test were ones that we thought might be over pressure. You cannot be certain unless you run all of the different test combinations, and this limited test was just conducted for our own curiosity. VIEW PRODUCT Reloading Dies Reload your own 22 Creedmoor ammo using this set of dies from Whidden Gunworks made for Horizon Firearms. Alpha Munitions is producing factory 22 Creedmoor brass and this would seem the most logical choice. Use at your own risk! You could even use small primer 6.5mm brass, it would simply take a bit more work to neck down. We then took the same load and used standard large rifle primers instead. Extremely consistent, American-made brass rifle casings and ammunition, designed for long-distance shooters. That way, the only difference between the two sets of 5 rounds was the type of primer used. Magnum primers increased our pressure, on average, by 1,500 psi, #3. 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. The accuracy nodes are wide and forgiving, the feeding is boringly reliable, and the performance out in the world has been dominating. The 22-243win and 22-243AI I was shooting have found themselves virtually untouched, while the 22CM has dominated coyotes in a way no other 22cal has before it. 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. 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. Besides the almost endless calibers they chamber their rifles in, they also were one of the 1 st companies to begin mass producing rifles chambered in .22 Creedmoor. One thing we have not yet covered in this data sheet is the difference rifling twist causes, as they relate to pressure. A .250 diameter neck will typically provide desirable results for both as long as you are running an expander ball of the appropriate diameter in your die. John Whidden produces some of the most precise and well-built custom reloading dies you can purchase. 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.