King Arms M4/M16 Buffer Tube trigger 1v LiPo (or li-ion) required

1v LiPo (or li-ion) required for function with the mosfet unit and semi-auto

Requires Wearing eye protection is recommended Use proper tools for disassembly and reassembly the gear box with great care due to spring tension Bearing lubricant oil/grease is recommended for smooth operation

packaging in order to do this

6v stick or 7

A standard replacement motor for short type guns

King Arms M4/M16 Buffer Tube trigger 1v LiPo (or li-ion) requiredDESCRIPTION: Stock buffer tube with numbered position markings for M4 Collapsible Stock. Compatible with all Tokyo Marui style M4 collapsible stocks. Designed for King Arms 6 position and MOD stock. Material : Steel Alloy Weight : 260g Product reference: Receiver extension, Stock pipe, etc. For airsoft use only.