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...

This .308 chambered (DPMS style) 16 inch Tactical Government Profile Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension...

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...

LBE Unlimited, Complete Forward Assist Assembly, For AR15 Fits AR-15 Forward Assist Made in the USA The LBE forward assist assembly includes the forward assist, spring and roll pin. Made in the USA.

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...

Noveske is proud to manufacture premium barrels for all types of builds. This barrel ships with gas block. This barrel is designed for the Noveske gas block that is 1" long (INCLUDED). A standard front sight base is 1.9" long and WILL NOT FIT. Barrel...

The AR15 Stripped Upper Receiver is one of our most popular products. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our AR15 lower...