Upper Parts

The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on. Colt's Manufacturing, Upper, 223REM/556NATO, Black Finish, Dust Cover, Forward Assist, M4 Feed Ramps M4 Feed Ramps Forward...

Noveske, Light Recon Barrel, 300 Blackout, 16" Cold Hammer Forged, Fits AR-15, .750 Front Sight Base

Proof Research's barrels exemplifies relentless pursuit of excellence. Whatever your preference is, you can expect the finest rifle barrel in the industry.The Carbon Fiber barrel features a full-profile, match-grade 416R stainless steel barrel blanks...

Superlative Arms .875 Adjustable Gas Block - Clamp on - Stainless Steel - Melonite Unlock cleaner, cooler, and more controlled shooting with the Superlative Arms Patented Bleed Off® Adjustable Gas Block—designed for direct impingement systems...

Geissele Automatics, USASOC Airborne Charging Handle, Desert Dirt Color Precise Manufacturing Long Term Reliability Durable Construction High quality components and precise manufacturing make Geissele parts ideal for maintaining and upgrading...

CMMG, Mk57 Barrel, 5.7X28MM, 5" Barrel, 1:9 Twist, Black Finish, Includes BCG, Fits AR Rifles Precise Manufacturing Long Term Reliability Durable Construction CMMG IS A LEADING MANUFACTURER OF AR-15 RIFLES, 22LR AR-15 CONVERSION KITS AND...

Ballistic Advantage, Modern Series, Barrel, 308 Winchester, 12.5", Bead Blasted  This .308 chambered (DPMS style) 12.5 inch Tactical Government Profile Modern Series Barrel is machined from CrMoV steel with a QPQ Corrosion Resistant Finish and QPQ...

Superlative Arms .875 Adjustable Gas Block - Clamp on - Stainless Steel - Matte Finish Elevate your rifle’s performance with the Superlative Arms Patented Bleed Off® Adjustable Gas Block—designed for direct impingement systems on AR-15,...

Superlative Arms .625" Adjustable Gas Block, Bleed Off - Clamp On, Melonite Unlock the full potential of your AR-15 with the Superlative Arms .625" Adjustable Gas Block—an innovation that redefines how gas systems should work. Unlike traditional...

FN America, Barrel Assembly, 308Win, 13", 1:7 Twist, Fits SCAR 17S The FN SCAR(R) barrel assemblies are cold hammer-forged, chrome-lined MIL-SPEC steel barrels with front sight assembly, gas block assembly, gas regulator, gas piston and flash hider...

FN M4 upper receiver – Cage Code: 3S679 Part: 36295 -M4 feed ramps -Anchor Harvey Forge Marked -Engraved t marks -Hardcoat anodized black -FN Logo engraved on top rear of receiver (NO FWD ASSIST OR PORT DOOR INSTALLED/INCLUDED)

Superlative Arms .625" Adjustable Gas Block, Bleed Off - Solid, Stainless Steel, Matte Take control of your AR-15’s performance with the Superlative Arms .625" Adjustable Gas Block—engineered with a patented “Bleed Off” system...