Description
This MK1 Mod2 Upper from Primary Weapons features a 11.85″ barrel, acarbine gas piston system, and a barrel twist of 1:8″.
- SPECIFICATIONS :
- Mfg Item Num : 2M111UA0B
- Category : UPPERS
- Type : Complete Gas Impingement
- Caliber : 223 Wylde, 223 Rem, 5.56 NATO
- Sights : None, Optic Ready
- Barrel Length : 11.85″
- Barrel Finish : Black
