AR Parts in 5.56x45mm NATO

ROCK RIVER ARMS 14.5" Chrome Lined FULL AUTO R4 BARREL 1:7

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel Mid-Length Gas System A2 Front Sight

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 20" Barrel A2 Front Sight

Rock River Arms AR-15 A2 Complete Upper Receiver 223 Wylde 20" Stainless Steel Barrel 14" Handguard Black

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel 11" M-LOK Handguard

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 20" Chrome Moly Barrel 14" Handguard Black

Rock River Arms AR-15 A4 Complete Upper Receiver 223 Remington (Wylde) 16" Chrome Moly Barrel M-LOK Handguard Black

Rock River Arms AR-15 Complete Upper Receiver 5.56x45mm 16" Barrel A2 Front Sight

ROCK RIVER ARMS 10.5 Chrome Lined BARREL ASSEMBLY 1:7 Twist

ROCK RIVER ARMS 10.5" Chrome Lined BARREL 1:7 Twist

Black Diamond Specter Xl Top End - Black Diamond Specter Xl Top End 5.56mm Nato 16'''' Bbl 1-8

Ar-15 Threaded Fluted Barrels - Ar-15 16.5'''' Threaded Fluted Barrel 1-8 Twist

DBST BCG WITH O RING

NOVESKE OG BARREL 556 12.5" LW SS

NOVESKE Chainsaw Irregular Defense GEN4 5.56 NATO 11.5" Complete Upper Receiver | FDE

Noveske Upper Complete 4Th Generation N4 5.56 14.5 Light Afghan Chf Bazooka Green Cerakote NSR-13.5 (M-LOK) BLK Love Handle Charging Handle Long Pig Pen Fh 1/2X28 (Pinned)

Noveske AR-15 N4 SPR Complete Upper Receiver 5.56x45mm NATO 18" Barrel NSR-15 M-LOK Handguard FDE

Noveske Barrel 5.56 10.5 Shorty Stainless .750 Micro Switchblock Carbine Length Gas Tube Wrench

NOVESKE CHARGING HANDLE 5.56MM SUPER BADASS AMBI AR-15 BLACK

Noveske Leonidas AR-15 Barrel 5.56x45mm NATO 12.5" Lightweight Contour 1:7" Twist Chrome Lined with Headspaced Bolt and Low Profile Gas Block

Noveske Recon AR-15 Barrel 5.56x45mm NATO 16" Lightweight Contour 1:7" Twist Chrome Lined with Headspaced Bolt and Low Profile Gas Block

Noveske Infidel AR-15 Barrel 5.56x45mm NATO 13.7" Lightweight Contour 1:7" Twist with Headspaced Bolt and Low Profile Gas Block

Noveske CQB Match AR-15 Barrel 5.56x45mm NATO 10.5" Medium Contour 1:7" Twist Bead Blasted Satin Grey with Swtichblock Gas Block

Sniper AR-15 12.5in Pistol Tubular / Round Forend Handguard 6061-T6 Aluminum .223/5.56 Mid-Length Matte Black