5.56 NATO - BARRELS - UPPER RECEIVER PARTS - UPPER RECEIVERS

24" 5.56 Nato 1:8 Barrel, Rifle Gas, Heavy Contour

B2-K004-A012

20" Front Sight Based Barrel (5.56)

B2-K650-A004

16" Barrel 5.56 M4, 1:8, Carbine Front Sight Base

B2-K650-A001

10.5" 5.56 Barrel M4, Carbine-Length Front Sight Base

B2-K650-A000

20" 5.56 Nato 1:9 Barrel, Rifle Gas, Government Contour

B2-K004-AN10

20" 5.56 Nato 1:9 Barrel, Rifle Gas, Heavy Contour (0.936" Diameter)

B2-K004-AN11

14.5" Barrel, 5.56 NATO, , 1:7, Mid-Length, Medium Profile

B2-K004-AN14

16" 5.56 Nato 1:8 Barrel, Carbine Gas, M4 Contour

B2-K004-AN08

16" 5.56 Nato 1:8 Barrel, Carbine Gas, M4 Contour [RETAIL PACKAGED]

B2-K004-AN08-0P

18" Barrel, 5.56 NATO, 1:8, Rifle, Comp Profile

B2-K004-AN13

10.5" 5.56 Nato 1:7 Barrel, Carbine Gas, Government Contour

B2-K004-AN01

7.5" 5.56 Nato 1:7 Barrel, Pistol Gas, Government Contour

B2-K004-AN00