AR Parts in 5.56x45mm NATO

7.5" 5.56 NATO 1:7 Stainless Steel Pistol Length Barrel

NBS .223/5.56 Bolt Carrier Group - Blue PVD

NBS .223/5.56 Bolt Carrier Group - Chameleon

Rosco Manufacturing Bloodline 16" 5.56 Government 1:7 Twist Black Nitride Midlength Barrel w/ FSB

Rosco Manufacturing Bloodline 14.5" 5.56 M4 1:7 Twist Black Nitride Carbine Barrel w/ FSB

Rubber City Armory Blacknitride+ M16 Bolt Carrier Group w/ Adjustable Gas Key

BCM 5.56 NATO Midlength Lightweight Fluted Barreled Upper - MCMR-13 - 16"

BCM Standard 5.56 NATO Upper Receiver Group - MCMR-15 Handguard - 20"

BCM 16" 5.56 NATO 1:7 Enhanced Light Weight Barreled Upper - 15" M-LOK MCMR Rail

Ballistic Advantage 10.5" 5.56 Government Profile Carbine AR-15 Barrel Modern Series w/ FSB and Circular Handguard Cap 1:7 Twist

Sionics Weapon Systems M16 5.56 Bolt Carrier Group - Phosphate

Sionics Weapon Systems M16 5.56/.223 Bolt Carrier Group - NP3

Luth-AR .223/5.56 MPI Bolt Carrier Group - Semi-Auto Profile - Mag Phos - Chrome Lined

Centurion Arms CM4 5.56 AR-15 Forged Upper Receiver

Centurion Arms C4 5.56 M16 Bolt Carrier Group

Centurion Arms Hammer Forged 5.56 Lightweight Mid-Length Barrel - 16" 1:7 Twist

Centurion Arms Hammer Forged 5.56 Mid-Length Barrel - 14.5" 1:7 Twist

Centurion Arms Hammer Forged 5.56 Carbine Barrel - 12.5" 1:7 Twist

Centurion Arms Hammer Forged 5.56 Carbine Barrel - 11.5" 1:7 Twist

Centurion Arms MK12 18" 5.56 NATO 1:7 416R Stainless Steel Rifle Length Barrel

Centurion Arms RECCE 5.56 NATO 1:7 R5 416R Stainless Steel Mid-Length Barrel - 14.5

Centurion Arms RECCE 5.56 NATO 1:7 R5 416R Stainless Steel Mid-Length Barrel - 16"

Juggernaut Tactical AR-15 Muzzle Brake - 1/2x28, Machined Stainless

Lantac N15 Raven Billet Receiver Set