Upper Receivers

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range dont break the bank. The MOD series is meant to fit Glock 19/23 Gen 1-3 and includes two 10 round magazines, a 4.02" barrel, a range bag, and a recessed cut...

Convert your 1911 into a .22 or with an Advantage Arms conversion kit. Advantage Arms 1911 Target Conversion Kit is Advantage Arms most accurate conversion kit. The barrel is fixed solid to the frame with the sights mounted to the barrel. Accuracy is...

The Daniel Defense M4 V7 LW Upper Receiver Group is built around a Cold Hammer Forged 16" Lightweight profile barrel-which is two ounces less than a standard V7 barrel-and equipped with a DD improved Flash Suppressor to reduce flash signature. It...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range dont break the bank. The MOD series is meant to fit Glock 19/23 Gen 5 and includes two 10 round magazines, a 4.02" barrel, a range bag, and a recessed cut...

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...

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...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range dont break the bank. The MOD-CA series is meant to fit Glock 17/22 Gen 4 and includes two 10 round magazines, a range bag, and a recessed cut for a variety...

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 /...

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

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range dont break the bank. The MOD series is meant to fit Glock 17/22 Gen 5 and includes two 10 round magazines, a 4.49" barrel, a range bag, and a recessed cut...

The Fortis Billet Upper is a precision piece, machined from Billet 7075 T6 aluminum. Like Fortis other products, they designed this upper with function as well as form in mind. Fortis shaved off the ounces where they could without sacrificing rigidity...

The Bootleg AR-15 Upper Receiver is built to last and deliver exceptional performance. Theyve heard your feedback and taken action to bring you a superior product after the unfortunate circumstances with their previous forging house. The Bootleg Upper...