AR Parts in 5.56x45mm NATO

ODIN Works CQ-B Close Quarters Pistol Brace - Green

ODIN Works CQ-B Close Quarters Pistol Brace - Grey

DPMS .223 / 5.56 Upper Receiver Claw Block DPMS-TL-PRC

Matrix Arms AR-15 Standard Upper Receiver Stripped

DPMS M-Lok 5.56x45mm NATO 11.5 inch Upper Receiver One Size

Ar-15 Elite Series Barrel Mid-Length - Ar-15 16'''' Barrel Mid-Length Lead Lapped 416 Ss

Ar-15 Competition Series Barrel Mid-Length - Ar-15 16'''' Barrel Mid-Length Lapped 416 Ss

Ar-15 Performance Series Barrels Mid-Length - Ar-15 14.5'''' Barrel Mid-Length Button Rifled 416 Ss

Laser Ammo Flashbolt AR-15 Laser Trainer 223 Remington, 5.56x45 NATO, 9mm Luger

Ar-15 Direct Impingement Bolt Carrier Right Hand - Ar-15 Direct Impingement Bolt Carrier Rh Gray

Ar-15 Direct Impingement Bolt Carrier Right Hand - Ar-15 Direct Impingement Bolt Carrier Rh Tan

Obsidian Arms M16 Bolt Carrier Group BCG 5.56 Phosphate Black

DEL-TON 16'' 1x7 Mid Length Light w/ 15" MLOK Handguard

DEL-TON 16" Heavy Mid-Length Rifle Kit

DEL-TON Complete Upper 223/5.56 16" M4 Flat Top Black

POF Ultimate Bolt Carrier Group 223 Direct Impingement

POF Puritan 5.56 Barrel 16.5" Midlength

FN 15 TAC3 AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel

ROCK RIVER ARMS AR-15 A4 Complete Upper Receiver 223 Rem(Wylde)

Rock River Arms AR-15 RRAGE Complete Upper Receiver 5.56x45 NATO 7" Chrome Moly Barrel M-LOK Handguard Black

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 4.5" Chrome Moly Barrel 4.25" M-LOK Handguard Black

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 15" Handguard Black

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 15" Handguard with A2 Front Sight Black

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm NATO 16" Barrel with Gas Block