AR Parts in 5.56x45mm NATO

Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined

Ballistic Advantage 14.5" 5.56 Government Profile Midlength AR-15 Barrel, Modern Series w/ FSB, Circular Handguard Cap and Delta Ring Assembly

KAK AR-15 Configurable Buffer Kit

16" Billet Slick Side 5.56 Parkerized Mid-Length 1:7 M-LOK AR-15 Complete Upper

Trinity Force Enhanced Safety Selector

16" 5.56 NATO 1:7 Twist Mid-Length Parkerized Barrel

14.5" 5.56 NATO Mid-Length AR 15 Barrel

16" 5.56 Parkerized 1:7 Carbine Length Barrel

Crown AR 15 Muzzle Brake - Stainless

5" 5.56 NATO 1:5 Micro Black Nitride Barrel

Extended Firing Pin

APOC Armory Nickel Boron Bolt Carrier Group 5.56/.223

16" Cold Hammer Forged AR 15 Upper Assembly

POF Triple Port AR 15 Muzzle Brake .223/5.56

Spiral Fluted AR 15 Muzzle Brake

16" AR 15 "Tiger King" Complete Upper W/12" M-LOK Handguard

20" 5.56 Rifle Length w/ FSB AR15 Complete Upper (No Handguard)

16" 5.56 M4 Carbine Modern Series w/FSB AR15 Complete Upper (No Handguard)

11.5" 5.56 Carbine Length w/ FSB AR15 Complete Upper (No Handguard)

10.5" 5.56 Carbine Length w/ FSB AR15 Complete Upper (No Handguard)

13.9" 5.56 Government Profile Midlength AR 15 Barrel, Modern Series

13.7" 5.56 Government Profile Midlength AR 15 Barrel, Modern Series

16" 5.56 Pencil Profile Midlength AR 15 Barrel, Modern Series

16" 5.56 Pencil Profile Carbine AR 15 Barrel, Modern Series