Transform your stripped lower receiver into a fully functional part of your firearm with the XTS-LBK AR-15 Lower Build Kit. Ideal for gun enthusiasts and builders, this comprehensive set ensures you have all you need for assembly and enhancements.

• Bolt Catch Kit.
• Magazine Catch Kit.
• Takedown Pin/Detent/Spring.
• Pivot Pin/Detent /Spring.
• Buffer Retainer Pin/Spring.
• Ambi Selector/Detent/Spring.
• Hammer and Trigger Pins.
• Hammer/Trigger/Disconnect Spring.