AR Parts in 5.56x45mm NATO

Fortis Manufacturing 556NATO Night Rail Free Floating 16

Rise Armament Blitz G2 Slide-and-Snap AR-15 Trigger Curved Black

FN AR-15 Barrel 5.56x45mm NATO 14.7" Government Contour 1:7" Twist Manganese Phosphate

Ballistic Advantage Performance Series Bead Blasted 5.56 NATO 17.7 Barrel

Radian Raptor AR-15 Ambidextrous Charging Handle Gray

Geissele URG-I Airborne AR-15 Ambidextrous Charging Handle Black

Geissele URG-I Airborne AR-15 Ambidextrous Charging Handle Desert Dirt

Faxon Duty Series Gunner AR-15 Barrel 5.56x45mm NATO 14.5" Gunner Contour 1:8" Twist QPQ Black

Diamondback AR-15 Barrel 5.56x45mm NATO 16" Medium Contour Mid-Length 1:8" Twist Black

Daniel Defense MK12 SPR AR-15 Complete Upper Receiver 5.56x45mm NATO 18" Barrel

NCStar AR15 Carbine Quadrail Handguard

Mission Fist Tactical EvolV AR-15 Muzzle Brake 1 .223/5.56

Phase 5 M16/M4 Bolt Carrier Group 5.56x45mm NATO Phosphate Chrome Lined

Breek Arms Sledgehammer LE Omni-Buster Ambidextrous AR-15 Charging Handle Black

Bravo Company BCM MK2 AR-15 Ambidextrous Charging Handle Medium Latch Black

Bravo Company KMR ALPHA 5.56 7 BLK

Midwest Industries AR-15 Bolt Carrier Group 5.56x45mm Nitride Black

Luth-AR MBA-5 Carbine Stock for AR-15/AR-10

CMMG Resolute MK4 5.56 16.1 Barrel No BCG/Charging Handle

Battle Arms Development Enhanced Bolt Catch

Wilson Combat Recon AR-15 Barrel 5.56x45mm NATO 16" Fluted 1:8" Twist Stainless

Strike Industries Overmolded Ultimate Dust Cover AR-15 Ejection Port Cover Polymer Flat Dark Earth

Strike Industries Overmolded Ultimate Dust Cover AR-15 Ejection Port Cover Polymer Black

Strike Industries Enhanced Ultimate Dust Cover Ejection Port Cover Capsule Pattern AR-15 Polymer Flat Dark Earth