Elevate your firearm assembly with the Guntec USA .308 Cal Builders Kit with Ambi Safety, expertly crafted for precision and reliability. This essential kit includes high-quality components that ensure seamless assembly, making it an ideal choice for both novice and experienced builders. 1 Bolt Catch 1 Takedown Pin 1 Buffer Retainer 1 Buffer Retainer Spring 1 Bolt Catch Plunger 1 Take Down Detent Spring 1 Magazine Catch 1 Magazine Catch Spring 1 Magazine Release Button 1 Selector Detent 1 Bolt Catch Pin 1 Selector Detent Spring 1 Multi Position Short Throw Ambi Safety 1 Pivot Pin 2 Trigger Pins 1 Bolt Catch Spring 2 Take Down/Pivot Detents 1 Receiver Pivot Detent Spring .308 Cal Complete your .308 caliber firearm project with Guntec's superior components for unmatched performance.