Upper Receivers & Conversion Kits

Complete Sharps Bros SBUR04 upper with 15" full top rail handguard.Features :"16" Barrel""15" Handguard,DLC Coated BCGRadian Charging HandleMidlength Gas System

Nordic Components 22RB dedicated 22 upper receiver converts your standard AR-pattern lower to a dedicated .22LR for recreational shooting, training, and hunting. The 22RB is manufactured using the same materials as most standard AR15 rifles, ensuring...

Meet CMMGs newest long-range offering. Chambered in Hornadys new 6mm ARC (Advanced Rifle Cartridge), the CMMGs RESOLUTE upper receiver group allows you to pair this exciting caliber with your existing AR15 lower for superior function and accuracy at...

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...

The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK attachment points at 3" 6" and 9 oclock positions. At 12 oclock...

CMMGs RESOLUTE lineup is engineered with purpose for those who refuse to compromise on quality. Each RESOLUTE rifle comes with a 16-inch barrel and is designed for balance, accuracy and maneuverability. Whether youre defending your family or looking to...

The durability, reliability and excellent build quality of Colt uppers will provide years of service you can count on.Features :Upper ReceiverM-LOK Handguard223 Rem/556NATO

Spikes complete upper assemblies will arrive to you inspected, tested, and ready to drop-in and go to work. Spikes maintains the same high standard of tolerances and attention to detail as the uppers they use for complete rifle builds. Every built upper...

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...

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...

Troy Industries AR-15 A3 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 Battlerail handguard is machined from hardened...

The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3" 6" and 9 oclock positions. At 12 oclock is a full-length Picatinny...