SAAMI 6.8 True Velocity Composite SAAMI Announces New Affiliated Member Category True Velocity Announces Distribution Partnership with Virtus Ammo 6mm Advanced Rifle Cartridge (6mm ARC) 1 Wilson Combat's 300 HAM'R is Now a SAAMI Standardized Cartridge Three New SAAMI Cartridge Standards 6.5-300 Wby Mag, 6.5 PRC and .300 PRC (123) 224 Valkyrie SAAMI Standard (featured) Slidefire NSSF