5.56x45mm NATO Gun Parts

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 N4 Carbine Buffer Spring

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

Sniper AR-15 4in Pistol Tubular / Round Forend Handguard 6061-T6 Aluminum .223/5.56 Mid-Length Matte Black

Stag Arms AR-15 Barreled Upper Receiver 5.56x45mm NATO 16" Barrel M-LOK Handguard Flat Dark Earth

Stag Arms AR-15 Barreled Upper Receiver 5.56x45mm NATO 16" Barrel M-LOK Handguard Black

AERO PRECISION M4E1-T Complete Upper 16" 5.56 Gov Mid MOD4 15 KB

Aero Precision M4E1-T Barreled Upper Receiver 5.56x45mm NATO 12.5" Government Contour Barrel 11.4" Mod4 Handguard Olive Drab Green

Aero Precision M4E1-T Barreled Upper Receiver 5.56x45mm NATO 11.5" Government Contour Barrel 10.6" Mod4 Handguard Black

Aero Precision M4E1-T Barreled Upper Receiver 5.56x45mm NATO 14.5" Government Contour Barrel 13.5" Mod4 Handguard Black

AERO PRECISION M4E1-T Complete Upper 16" 5.56 Gov Mid MOD4 15 Blk

Aero Precision M4E1-E EQ15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE

Aero Precision M4E1-E AR-15 5.56x45mm NATO 13.9in Atlas S-One M-LOK Upper Receiver Government CMV Mid Length 1-7 Twist 1/2x28 A2 Flash Hider 12.7in HG

Aero Precision M4E1-E AR-15 5.56x45mm NATO 13.9in Atlas S-One M-LOK Upper Receiver Government CMV Mid Length 1-7 Twist 1/2x28 A2 Flash Hider 12.7in HG

Aero Precision AR-15 M4E1-T Barreled Upper Receiver 5.56x45mm NATO 16" Barrel Mid-Length OD Green Cerakote

AERO PRECISION M4E1 15" Enhanced M-LOK Complete Upper 5.56 NATO 16" HBAR CMV Barrel - Black

Aero Precision M4E1 Builder Set w/ 9" ATLAS S-ONE M-LOK Handguard - Anodized Black

Aero Precision M4E1 5.56 NATO No Forward Assist Threaded Assembled Upper Receiver FDE Cerakote

Aero Precision M4E1 Standard Assembled AR-15 Upper Receiver No Forward Assist Aluminum Black

Aero Precision Complete Upper M4E1-E 5.56 20in Rifle Barrel 1/7 Twist EQ15 Black

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 20in 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized