Upper Receivers & Conversion Kits

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...

Troy Industries AR-15 A4 Upper Receivers are lightweight and ultra-low profile. Developed specifically for todays war fighter and Law Enforcement led by Special Operations field requirements. The M-Lok SOCC handguard is lightweight with an ultra-low...

Convert your Glock into a .22 or with an Advantage Arms conversion kit. Advantage Arms Glock Conversion Kit is Advantage Arms most accurate conversion kit for Glock. Does not fit Gen 4 Glocks.Features :Adjustable sightsLast round lock open30 second...

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...

Looking to build a high-quality retro looking AR? Start your project with a complete A1 upper receiver anodized. Comes with the standard features of a Mil-Spec upper receiver and is forged from 7075-T6 aluminum with a black hard coat anodized, tough...

Battle Arms Development Workhorse, Complete Upper Receiver, 556nato, 16" Barrel, Fits Ar-15, M-lok Handguard, Anodized Finish, Sniper Gray, Includes Bad Rack-15 C Ambidextrous Charging Handle And Ar15/m16 Bcg Wh-ur16g-y-15cModel: WORKHORSEProduct Type:...

Advantage Arms Conversion Kit: Convert your Palmetto Dagger Compact down to 22lr so trips to the range dont break the bank. The MOD series is meant to fit your Palmetto Dagger Compact and includes two 15 round magazines, a 4.5" threaded barrel, a range...

The Radical Firearms 300 Blackout upper is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is,...

The Radical Firearms 7.62X39 upper is perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical Firearms has you covered.Features :Free float rail systemForged 7075 T6...

Sharps Bros. Sbur04, Billet Upper Receiver, Fits Ar15, Black Finish, Includes Forward Assist And Dust Cover Sbur04Model: SBUR04Product Type: UpperFit: AR15Description: Billet

This complete upper includes the ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. The proprietary ATLAS...

Aero Precision M5 Complete Upper, 308 Winchester, 16" Barrel, 1:10 Twist, Rifle Length Gas System, Atlas S-one Handguard, Cerakote Finish, Does Not Include Bcg Or Carry Handle Apar538715m22