AR Parts in 5.56x45mm NATO

RISE Armament RA-240 Enhanced Rifle Trigger Curved 3.5lb Pull Blue/Black

Alien Armory Tactical Anodized Aluminum Dust Cover - Green | Includes Rod Spring & Clip

Alien Armory Tactical Anodized Aluminum Dust Cover - Blue | Includes Rod Spring & Clip

Alien Armory Tactical Anodized Aluminum Dust Cover - Red | Includes Rod Spring & Clip

Alien Armory Tactical Anodized Aluminum Dust Cover - Black | Includes Rod Spring & Clip

ATI MILSPORT 556 UPPER 16"

Samson Star-DI Carbine Drop In Rail System for AR-15

Unrivaled Performance Duty Lightweight Bolt Carrier Hard Chrome UPDC-M16 HC

Unrivaled Performance Duty Lightweight Bolt Carrier Black Nitride UPDC-M16 BN

Unrivaled 2 Stage Dead Blow Duty Buffer .223/5.56MM OR 300 BLACKOUT

Cloak Industries OEM MFR56 5.56x45mm NATO Threaded Rifle Barrel 13 inch 1-7 Twist Nitrided

Cloak Industries OEM MFR56 5.56x45mm NATO Threaded Rifle Barrel 16 inch 1-7 Twist Nitrided

Mitchell Defense DOC 18in 5.56 NATO Upper Receiver Stainless Steel Barrel Jungle Green Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 18in 5.56 NATO Upper Receiver Stainless Steel Barrel Black Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 18in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Jungle Green Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 18in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Black Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 16in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Flat Dark Earth Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 16in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Black Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 16in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Jungle Green Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 16in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Flat Dark Earth Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 16in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Black Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 14.5in 5.56 NATO Upper Receiver Carbon Fiber Wrapped Barrel Black Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 14.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Jungle Green Finish M-LOK Free-Float Handguard

Mitchell Defense DOC 14.5in 5.56 NATO Upper Receiver Cold Hammer Forged Chrome-Lined Barrel Flat Dark Earth Finish M-LOK Free-Float Handguard