Description
Starline – 300 Blackout Brass
.300 AAC Blackout, .300 BLK, 7.62x35mm
1.356 – 1.36 O.A.L.
The 300 Blackout is based on a shortened 5.56x45mm case that is necked to .30 calibre. For AR-15 platform rifles and pistols, it only requires changing the barrel to go from 5.56 to 300 Blackout. The Blackout’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 calibre as well.



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