for SAAMI standardization.
22 Advanced Rifle Cartridge – The 22 ARC was introduced by the Hornady Manufacturing Co. with a 75-grain bullet traveling at a velocity of 3,075 fps and a Maximum Average Pressure of 52,000 psi.
22 Creedmoor – The 22 CM was introduced by the Hornady Manufacturing Co. with an 80-grain bullet traveling at a velocity of 3,250 fps and a Maximum Average Pressure of 62,000 psi.
22 Advanced Rifle Cartridge – The 22 ARC was introduced by the Hornady Manufacturing Co. with a 75-grain bullet traveling at a velocity of 3,075 fps and a Maximum Average Pressure of 52,000 psi.
22 Creedmoor – The 22 CM was introduced by the Hornady Manufacturing Co. with an 80-grain bullet traveling at a velocity of 3,250 fps and a Maximum Average Pressure of 62,000 psi.
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