Small Parts - Upper

This is the REAR sight. Add the FRONT version here. Magpul Industries, MBUS Back-Up Rear Sight Gen 2, Fits Picatinny Rails, Flip Up, Black Spring loaded flip up sight Spring-loaded flip up sight easily activated from either side or by pressing the...

Aero Precision's upper parts kit includes the parts you need to assemble your AR15 Upper Receiver. Includes: Forward Assist Assembly Forward Assist Spring Forward Assist Roll Pin Ejection Port Cover Door Ejection Port Cover Rod with c-clip Ejection Port...

This is the FRONT sight. Add the REAR version here. Magpul Industries, MBUS Back-Up Front Sight Gen 2, Fits Picatinny Rails, Flip Up, Black The MBUS (Magpul® Back-Up Sight) is a low-cost, color injection-molded, folding back-up sight. The MBUS...

The Enhanced Ejection Port Cover is a drop-in upgrade designed to provide an improved installation process, physical strength, and corrosion resistance over the standard USGI ejection port cover. Traditional stamped-steel ejection ports are malleable,...

The Daniel Defense Fixed Front / Rear Iron Sight Combo is machined from 6061-T6 aluminum then MIL-SPEC hardcoat anodized. These rail mounted iron sights will stay put and won’t take up too much space. Both lightweight and durable, this is the...