5.56 NATO
Barrel, 5.56 NATO
- 24" 5.56 Nato 1:8 Barrel, Rifle Gas, Heavy Contour
B2-K004-A012
- 20" Front Sight Based Barrel (5.56)
B2-K650-A004
- Barrel 5.56 M4 16", Assembled Front Sight
B2-K650-A001
- 16" 5.56 Nato 1:8 Barrel, Carbine Gas, M4 Contour
B2-K004-AN08
- Barrel, 5.56 NATO, 18", 1:8, Rifle, Comp Profile
B2-K004-AN13