AR Parts in 5.56x45mm NATO

Moriarti AR-15 5.56/.223 7.5in Pistol Upper Assembly Black 21in

Moriarti AR-15 5.56x45mm NATO Threaded Barrel 16 inch Government Mid Length 1-7 Twist 1/2x28 Nitride Black

Moriarti AR-15 5.56x45mm NATO Threaded Barrel 16 inch M4 Carbine Length 1-7 Twist 1/2x28 QPQ Corrosion Resistant Black

Moriarti AR-15 5.56x45mm NATO Threaded Barrel 18 inch Government Rifle Length 1-7 Twist 1/2x28 QPQ Corrosion Resistant Black

Moriarti AR-15 5.56x45mm NATO Threaded Barrel 13.9 inch Pencil Mid Length 1-7 Twist 1/2x28 QPQ Corrosion Resistant Black

Moriarti AR-15 5.56x45mm NATO Threaded Barrel 13.9 inch Government Mid Length 1-7 Twist 1/2x28 QPQ Corrosion Resistant Black

Moriarti AR-15 5.56x45mm NATO Threaded Barrel 5 inch Medium Micro Length 1-5 Twist 1/2x28 QPQ Corrosion Resistant Black

Moriarti AR-15 5.56x45mm NATO Threaded Barrel 14.5 inch Government Mid Length 1-7 Twist 1/2x28 Nitride Black

Moriarti AR-15 Moriarti 5.56 NATO Threaded AR Barrel 14.5in Pencil Mid-Length 1-7 Twist 1/2x28 TPI Black

Moriarti AR-15 5.56x45mm NATO Threaded Barrel 7.5 inch Medium Pistol Length 1-7 Twist 1/2x28 QPQ Corrosion Resistant Black

Moriarti AR-15 5.56/.223 7.5in Pistol Shark Mlok Upper Assembly Black 16.5in

SIG SAUER MCX AR-15 5.56x45mm NATO Caliber Exchange Kit 11.5in Black

SIG SAUER Bolt Carrier 37 HP FG

Sig Sauer MCX 5.56 NATO 11.5" M-LOK AR Conversion Upper Receiver w/Tapered Lug UAMCX-11B-556-TAP

APF Armory 5.56 Nato Carbine 2.0 Complete Upper Receiver Armor Black

Cry Havoc Tactical 223 QRB Barrel Locking Plate Pistol Calibers - Two Pin

Griffin Armament 14.5 inch 223w HEDP Barrel

APF Armory 5.56 NATO 7in Complete Upper Black

APF M16 BOLT CARRIER GROUP SP4 SILVER WITH RETAIL PACKAGING

APF M16 BOLT CARRIER GROUP SP4 ROSE GOLD WTIH RETAIL PACKAGING

APF M16 BOLT CARRIER GROUP SP4 BLUE STEEL WITH RETAIL PACKAGE

Sons Of Liberty Gun Works TRUNKMONKEY11.5 Trunk Monkey 223 Rem/5.56 NATO 11.50 Pic Rail Receiver, Rifle

Sons of Liberty Gun Works EXO3 Complete Upper EXO3UPPER-10.5-556, 223 Remington/556NATO, 10.5 in Combat Barrel

Sons of Liberty Gun Works SOLGW Patrol SL 5.56mm 11.5" No BCG/CH Upper Half PATROLSLUPPER-11.5-556