Bravo Company MFG Sopmod Bolt Upgrade/rebuild Kit . k.a. BLACK SHOT BOLT) today Used with BCM Match Grade Bolts this kit features all SOPMOD compatible parts. If you are looking for a bolt kit that will work with your Limited or Glock Bolt (or similar) you have found it If not this is a great opportunity to purchase one of the many BOLO BCGs on the market (as they are also known as SOPMODS) and have BOLO SHOP feature added on one or both sides of your lower receiver. This allows for a more advanced rebuild kit or simply an upgrade kit for one of your lower receivers that was damaged in a fire. Specifications for Bravo Company MFG Bolt Upgrade/rebuild Kit Sopmod Ar-15: Newitem: Yes Type/color: Ar-15 bolt kit Size/finish: Ar-15 Material: Steel Ar-15 accessory: Y Other features: Extractor extractor pin extractor spring usgi gas rings o ring/extractor insert Package Contents: Bravo Company MFG Bolt Upgrade/rebuild Kit Sopmod Ar-15 The Bravo Company MFG Bolt Upgrade/rebuild Kit Sopmod Ar-15 is a quality addition to the Bravo Company MFG lineup. For more great deals on AR15 Lower Parts by Bravo Company MFG please browse our Bravo Company Mfg Gun Parts page.