AR Parts in 5.56x45mm NATO

CMMG 5.56 Charging Handle Assembly

CMMG M16 Bolt Carrier Group Semi-Auto 5.56mm/.223/.300 BLK Black

Angstadt Arms AR-15 Bolt Carrier Assembly 5.56

Angstadt Arms Ultra Light AR-15 Handguard 5.5" M-LOK

Angstadt Arms Suppressor Series Handguard 14.8" M-LOK Black

Angstadt Arms Ultra Light AR-15 Handguard 15" M-LOK

Angstadt Arms Suppressor Series Handguard 9.3" M-LOK Black

Anderson Manufacturing AR15 3 Prong Flash Hider 5.56 1/2-28

Anderson Manufacturing AM-15 Stripped Upper Receiver Black

ATI AR15 Multiple Caliber Stripped Metal Reinforced Polymer Upper Receiver

ATI Milsport AR-15 Complete Upper 16" Barrel with 15" M-LOK Rail

Bravo Company Alpha Keymod Rail Fits AR Rifles 15" Aluminum Alloy Black Finish Includes BCM KeyMod Sling Mount and a BCMGUNFIGHTER KeyMod Nylon Rail BCM-KMR-A15-556-BLK

Geissele Automatics Super Charging Handle 5.56 Desert Dirt Color 05-313S

Geissele Automatics Super Charging Handle 5.56 Black 05-313B

KAK CQC AR-15 Pistol Buffer Tube Kit 2.5 oz

Smith Enterprise Vortex G6A3 AR-15 Flash Hider 1/2"-28 Thread 5.56/223 Matte

AR-STONER AR-15 Sporter Billet Upper Receiver Stripped with 13" M-LOK Handguard Aluminum Black

AR-STONER Left Hand Stripped AR-15 Billet Upper Receiver Aluminum Black with Bolt Carrier Group

AR-STONER AR-15 Enhanced Build Kit with Upper Receiver Assembly 5.56x45mm NATO 16" Barrel Mid Length 15" M-LOK Handguard, Complete Lower Parts Kit with Magpul MOE Furniture and Sight Set Black

AR-STONER Barrel AR-15 Pistol 5.56x45mm NATO M4 Contour 1 in 7" Twist 10.5" Chrome Moly Nitride

AR-STONER AR-15 Sporter Billet Upper Receiver Stripped with 7" M-LOK Handguard Aluminum Black

Vltor A5 Recoil System Carbine Mil-Spec AR-15 Buffer Tube Aluminum Black

Smith Enterprise Vortex G6A2 AR-15 Flash Hider 1/2"-28 Thread with Pin Hole 5.56/223 Matte

KAK CQC Peanut AR-15 Pistol Buffer Tube Kit 2.5 oz