MP Accessories 110115 Customizable Lower Parts Kit AR15

The MP Customizable lower parts kit is the ideal choice if you want to build a custom AR15. This kit provides all the minor parts generally used in an AR15 build but allows the flexibility to add popular common aftermarket upgrades. The kit includes a bolt catch plunger roll pin and spring buffer retainer and spring hammer pin magazine catch button and spring pivot pin pin detent and pin detent spring selector detent and spring takedown pin pin detent and pin detent spring and trigger pin.