AR Parts in 5.56x45mm NATO

Aero Precision AR15/M4 5.56 Charging Handle (C)

Aero Precision AR15 Barreled Upper 16" 5.56 M4 Carbine Barrel w/FSB & M4 Handguard

DPMS DR-15 Oracle II Slick Side Complete Upper 5.56 NATO 16" M-LOK

Hornady Rapid Rack Empty Chamber Indicator/Load Assist Device - AR-15 (223/5.56)

Troy Gas Divert Pneuma Ambi Charging Handle 5.56 Ambi Black

Troy Industries Troy Gas Block - .936

Troy Medieval Flash Suppressor 5.56mm 1/2 INCH 28 Black

One Horse M16 Bolt Carrier Group 5.56/.300 Nickel Boron

One Horse A2 Bird Cage Flash Hider 5.56 NATO 1/2x28 Thread

One Horse Complete Upper Receiver 5.56 NATO 10.5" with BCG and Charging Handle

One Horse Carbine Gas Barrel 5.56 NATO 1/2x28 Thread 10.5" Black

Otter Creek Labs SPR Collar - Black Nitride

FAB Defense GL CORE M M4 Survival Buttstock with Built-in Mag Carrier Black

Midwest Industries AR Professional Armorer's Wrench

Black Rain Ordnance Spec15 Bolt & Carrier Group Black Nitride

Black Rain Ordnance GI Lower Parts Kit - 5.56mm

Black Rain Ordnance AR15 Carbine Buffer Parts Kit - 5.56mm Carbine Length

BFSIII AR-ELITE Binary Trigger for AR Platform w/Curve/Straight Trigger Bows

Lantac Enhanced BCG Full Auto Style .224/5.56 Black Nitride

Lantac M-SPEC BCG .223/5.56mm NiB

Lantac E-CT1 Single Stage Trigger 3.5 lb Curved Black

AAC Blackout Flash Hider 5.56mm 90T - 1/2-28 SR Series Only

TacFire Stripped Upper Receiver for AR-15 5.56x45mm

Tacfire 3-Piece Armorer's Kit