Nefarious Arms HK 416/MR556 14.5″ A5 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 (A5, not A1 or A3+)
- HK MR556
