FEDERAL Fusion MSR .300 AAC Blackout 150Gr SP 20rd Box Rifle Ammo (F300BMSR2)

Clean-burning, low-flash, fast-burning propellants boost velocity through typical-length MSR barrels; Primer compatible with rifles that have free-floating firing pins; Military-style colored case iris gives visual confirmation of proper case metallurgy; Molecularly-fused jacket around a pressure-formed core produces excellent accuracy