Nefarious Arms HK 416/MR556 14.5″ A3 Barrel
Each Nefarious Arms barrel is cold-hammer-forged and chrome-lined for years of accurate shooting. Grab this expertly crafted barrel for your next SBR or pistol build.
Compatible With:
- HK 416 A1, 516 A3 (Not compatible with A5+)
- HK MR556
