Starline Brass 300 Blackout

The .300 Blackout(300blk brass for sale) is based on a shortened 5.56x45mm case that is necked to .30 caliber. For AR-15 platform rifles and pistols it only requires changing the barrel to go from 5.56 to .300 Blackout. The Starline 300 blackout brass’s main purpose is to be used at subsonic velocities in suppressed firearms. Many bolt-action and single-shot rifles are now being produced in this caliber as well.

The 300blk brass for sale is available now in stock.

Starline 300 blackout brass Specifications