Federal Fusion MSR 300 Blackout 150 gr SP 20ct (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