Upper Receivers

The BATTLEARMS XIPHOS dedicated PCC upper was designed to be a lightweight and rugged option when it comes to pistol caliber upper receiver groups. Even though it is matched perfectly with their XIPHOS lower receiver, this upper receiver will work with...

Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships with a 10rd Magazine. For best performance use a round style hammer as notched hammers can cause function...

Features :M4 Feed RampsForward AssistUpper Receiver

Battle Arms Development Authority Elite, Complete Upper Receiver, 556nato, 16" Barrel, Fits Ar-15, M-lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 Ambidextrous Charging Handle And Ar15/m16 Bcg Bad-auth-ur16g-y-15Model: Authority...

The railed gas tube will fit all (stamped and milled receiver) AK rifles with a standard length gas tube. Length is adjustable for variation between rifle manufacturers. May not fit all AK variants, Any modification to product will void all warranty. The...

The STT PILLAR upper receiver is the lightest billet upper available today! STT wanted to create something better, something different. Being better was not enough -- STT needed to design an upper that overcame the shortcomings seen in the current...

The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...

The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...

The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22LR so trips to the range dont break the bank. Or if you want to teach your kid the fun of shooting but dont want him/her to start on the 9mm" a conversion kit is a great learning /...

Rock River Arms complete Tactical Carbine upper is an A4 upper chambered in .458 SOCOM with a 16" chrome moly bull barrel and 1:14 twist. Additionally the upper comes with a complete bolt carrier group, charging handle assembly, 15" RRA lightweight M-Lok...

Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. They believe a quality, accurate and...