Upper Receivers & Conversion Kits

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...

The Radical Firearms 5.56mm 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, Radical...

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,...

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...