Genesis Arms GEN-12 BEEFUP KIT BFK

GEN-12 BEEF UP KIT:

• Magazine catch & increased power spring
• Bolt catch & increased power spring
• Anti-rotation trigger pin set

***These parts must to be installed***    

This kit is included with GEN-12 uppers and builds. If you want to beef up a 308 lower or have a spare kit available then this is for you.