Hephaestus High Performance CNC Aluminum Piston Head For Krytac Kriss Vector GBB SMG g For KSC M11A1

For KSC M11A1

Comes with a 23 round gas magazine

HISTORY  The M4 carbine is a family of firearms tracing its lineage back to earlier carbine versions of the M16

Aluminum loading nozzle for TM M&P9 - is constructed by precision CNC by aircraft grade 6061 Aluminium

Hephaestus High Performance CNC Aluminum Piston Head For Krytac Kriss Vector GBB SMG g For KSC M11A1CNC 6061 Aluminum Constructed Piston Head Enhanced Air sealing & Cycling Performance Improve Gas Efficiency and Stability Drop In Replacement Design for the Original Piston Head Compatible With Krytac Kriss Vector GBB SMG Package Included: Hephaestus High Performance Piston Head For Krytac Kriss Vector GBB SMG Piston Head O Ring