This Black Dawn upper is ready to place on your .223 Rem/5.56 NATO AR-15 lower and "run quiet" with a suppressor or "go loud" with supersonic loads. The Black Dawn MFR rail over the low profile gas black allows the easy use of a magnified optic, a red dot sight, or any rail mounted iron sight. The 300 BLK uses standard AR-15 magazines and delivers 125 grain bullets at 2215 fps or 220 grain at 1010 fps.
Specifications and Features"
Black Dawn 300 AAC Blackout upper
16" 4150 chromoly steel barrel
1:8 twist rifling
Young MFG bolt carrier
Black Dawn MFR Freefloat rail system
Black Dawn micro gas block
Sight or optic ready
Best used unsuppressed with supersonic ammunition and best suppressed with subsonic ammunition