AR Parts in 5.56x45mm NATO

10.3" 5.56 NATO 4150 CrMoV Carbine Government 1:7 Nitride Barrel

8" 5.56 Government Pistol M-LOK Upper Assembly

KAK Retro AR15 Extended Flash Hider 5/8-24 - 4"

16 5.56 Phosphate Midlength M-LOK Lightweight Complete Upper

16 5.56 Phosphate Midlength M-LOK Lightweight Upper Assembly

16" 5.56 NATO 1:9 Twist Phosphate Midlength Lightweight Barrel

16" 5.56 NATO 1:7 Twist Phosphate + Chrome-Lined Midlength Heavy Barrel

16" 5.56 NATO 1:9 Twist Phosphate + Chrome-Lined Midlength Heavy Barrel

16" 5.56 NATO 1:9 Twist Phosphate Midlength Heavy Barrel

16" 5.56 NATO 1:7 Twist Phosphate Carbine Heavy Barrel

16" 5.56 NATO 1:7 Twist Phosphate Midlength Lightweight Barrel

16 5.56 Phosphate Carbine M-LOK Government Upper Assembly

16 5.56 Phosphate Carbine M-LOK M4 Upper Assembly

16" 5.56 NATO 1:9 Twist Phosphate Carbine Lightweight Barrel

16" 5.56 NATO 1:9 Twist Phosphate + Chrome-Lined Carbine M4 Barrel

16" 5.56 NATO 1:8 Twist Phosphate Carbine Government Barrel

20" 5.56 NATO 1:9 Twist Phosphate Rifle Lightweight Barrel

16" 5.56 NATO 1:9 Twist Phosphate Carbine Heavy Barrel

16" 5.56 NATO 1:9 Twist Phosphate Carbine M4 Barrel

14.5" 5.56 NATO 1:9 Twist Phosphate + Chrome-Lined Carbine M4 Barrel

14.5" 5.56 NATO M4A1 SOCOM Carbine Complete Upper w/ FSB

Front Sight Detent 5.56

Front Sight Detent Spring 5.56

20" 5.56 NATO 4150 CMV Black Nitride CHF Govt 1:8 Rifle Length Barrel