12" Full-Auto 5.56 Piston Conversion Kit

$879.00

Details

12″ 5.56 x 45 (.223) MRP® PISTON CONVERSION KIT

COMES COMPLETE WITH:

  • 12″ Piston Chrome Lined 5.56×45 (.223) 1:7″ RH twist barrel
  • Full-Auto Piston Bolt Carrier Group
  • H2 Buffer