Description
Marks Armory 10.5" Pistol 300 AAC Blackout Upper
-A3 flattop upper with forward assist and dust cover
-M4 feed ramps
-4140 chrome moly steel
-1:8 twist
-10.5" hbar
-5/8x24 threaded muzzle
-Competition compensator
-Micro gas block
-Midlength free float quad rail
-Pistol length gas system
*Does not include bcg & charging handle
All Marks Armory upper assemblies are head spaced and test fired to ensure safety and efficiency.
