AR Parts in 5.56x45mm NATO

American Tactical M4 Stripped Upper Receiver

Phase 5 Weapon Systems Inc Complete P5T15 Rifle Upper Assembly 5.56mm 16 Inch Chrome Lined Barrel

Phase 5 Tactical EBRV2-SC Extended Bolt Release V2 Side-Charging

Phase 5 Tactical A3 Flat Top Upper Receiver

JP Enterprises Supermatch Barrel With Headspaced Jp Enhanced Bolt 14.5in Ultra-Light Contour Black

JP Enterprises Supermatch Barrel With Headspaced Jp Enhanced Bolt 14.5in Light Contour Silver

JP Enterprises Small Frame Variable Mass Bolt Carrier Group BCG With Jpeb-6.5G Enhanced Bolt Black

JP Enterprises Small Frame Variable Mass Bolt Carrier Group BCG With Jpeb-223 Enhanced Bolt Black

JP Enterprises Supermatch Barrel With Headspaced Jp Enhanced Bolt 5.56 10.5in Silver

JP Enterprises JPFH-556 3-Prong AR-15 Flash Hider 1/2"-28 Thread Matte

Troy STRXAL111BT0 Alpha Rail 11" With Folding Sight Aluminum Black

Troy CQB-SPC Upper 5.56mm FDE

Troy A4 Complete Upper SUPG-A4S-10BT-00, 223 Rem/556NATO, 10.5 in Barrel SUPG-A4S-10BT-00

TROY CHARGING HANDLE UNIAXIS AMBIDEXTROUS 5.56 BLACK

TROY STOCK SOCC 5.56 BLK AIRBORNE STOCK BLACK

TROY TOMAHAWK 5.56 PDW STK FDE

JP Enterprises AR-15 MK 3 Signature Free Float Tube Handguard - 9.125"

ADAMS ARMS P1 UPPER 5.56X45MM NATO 16" BBL MOE ADJ GAS PISTON MAGPUL MOE A2

Adams Arms FGAA01358 P1 Complete Piston Upper 5.56x45mm NATO 11.50 in Black Nitride Barrel, Aluminum Black Receiver, M4 Handguard for AR-Platform

AA DI LO MASS INTEGRAL BOLT CARRIER

Ar-15 Lightweight Upper Receiver W/ Slim Line Handguards - Ar-15 16'''' Lightweight Upper W/ 12'''' M-Lok Slh Rail

Luth-AR Bolt Carrier Group Silver .223 Rem / 5.56 for AR-15

Luth-AR M4 Government Barrel 5.56 14.5 Threaded Barrel

Luth-AR 18 in Mark 12 kit minus Lower Receiver w/coll. Stock Black Carbine