Doublestar Corp.

This complete bolt-and-carrier group easily drops into a standard mil-spec AR-15 upper, and its ready to shoot. Batch magnetic particle inspected bolt gives long service life. Bolt and carrier...

The bolt rebuild kit provides everything you need to rebuild your AR15 bolt.Features :1 Extractor1 Extractor Spring with Bumper Pad1 set of 3 Gas Rings1 O Ring1 Extractor Pin

The field repair kit was designed to provide the most commonly worn or broken parts in your semi auto AR15. Its a great addition to your range bag! All parts are high quality.Features :For Builds or...

Double Star uses only the best parts to make their lower parts kits. The fire control group is made from mil spec heat treated 8620 steel and finished on all touch points for a smooth, crisp trigger...

Sometimes parts go missing or need replacement. Dont be caught unprepared with a useless rifle and stand ready with the Double Star Oops! Kit. The kit fits easily in your range bag, backpack, and...

The Superlite Same Plane Gas Block is machined from rugged 6061 T6 aircraft aluminum and Type III hard coat anodized to match the finish of most AR style uppers. The 1913 picatinny rail matches the...