AR Parts in 5.56x45mm NATO

Centurion CS Matte Black Non-Tabbed Gas Block - 0.75

Centurion CS Matte Black Non-Tabbed Gas Block - 0.625

Evolve Weapons Systems Integrated Drive Flash Hider - Plan B - 1/2x28 Short - Nitride

Evolve Weapons Systems Integrated Drive Flash Hider - Plan B - 1/2x28 Short - Heat Treated

Evolve Weapons Systems Bolt Carrier Group - Phosphate

Evolve Weapons Systems TriPower Muzzle Brake - Nitride - Plan B - 1/2x28

Dirty Bird 13.7" Government Midlength 5.56 NATO M-LOK V3 Upper Assembly

M16A1 C7 Assembled Upper Receiver w/ Brass Deflector

M16A1 C7 Stripped Upper Receiver w/ Brass Deflector - No Feedramps

Colt's Manufacturing Mil-Spec Bolt Carrier Group 223Rem/556NATO - Black

Centurion Arms AR-15 CM4 Forged 5.56 Stripped Thermal Fit Upper Receiver

NBS 16 5.56 NATO Midlength Nitride M-LOK Rifle Kit

Centurion Arms V2 Enhanced Dual Ejector Chrome Bolt Assembly

BCM Standard Midlength Enhanced Light Weight Fluted Upper Receiver Group - MCMR-15 Handguard - 16"

BCA Lightweight 5.56 NATO Complete AR-15 Bolt Carrier Group - Black Nitride

Centurion Arms AR-15 5.56 Chrome BCG, Sand Rail Cut w/ Chrome V2 Bolt

Centurion Arms AR-15 5.56 Chrome Bolt Carrier Group, Sand Rail Cut w/ Chrome E4 Bolt

Centurion Arms AR-15 5.56 Chrome Carrier - Sand Rail Cut

Ballistic Advantage 14.7" 5.56 NATO 1:7 Midlength Pencil Profile Modern Series AR-15 Barrel

Aero Precision M4E1 Upper Receiver and 9" M-LOK Gen 2 Handguard Combo - FDE Cerakote

Aero Precision M4E1 Threaded Assembled Upper Receiver and 9" ATLAS R-ONE M-LOK Handguard Combo - Anodized Black

NBS AR-15 .223/5.56 Bolt Carrier Group - DLC

NBS Premium Series 16 5.56 Upper Assembly w/ Rosco Barrel and Geissele MK14 Handguard

NBS 8.5 Pistol 5.56 Stainless M-LOK Upper Assembly