AA CNC Aluminum Piston for TM M40A5 (45° Trigger) - Green

Action Army CNC Aluminum Piston for TM M40A5 (45° Trigger) - Green View larger
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CNC Aluminum Piston TM M40A5 by Action Army in green finish.

For bolt-action sniper rifles Tokyo Marui M40A5.

Version with 45° sear catch (original design).

Durable upgrade piston with two Delrin guide rings.

One-way vent holes to enhance performance.

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B06-001

: Action Army

CNC Aluminum Piston for Manual TM M40A5 Sniper Rifles by Action Army

This lightweight yet highly durable upgrade part for manual sniper rifles is precision CNC-machined from aluminum, ensuring maximum durability and precision fit. Two Delrin guide sleeves on the piston reduce friction and allow smooth operation inside the cylinder. The one-way vent holes improve air compression and boost overall power. This is an ideal piston for upgrade builds focused on performance, durability, and consistency. Please verify your rifle’s sear angle before purchase. We recommend combining it with other upgrade parts by Action Army.

Key Features

  • CNC Aluminum Body:
    Maximum strength at low weight.

  • Delrin Sleeves:
    Ensure smooth and quiet movement inside the cylinder.

  • One-Way Vent Holes:
    Optimize pressure and consistent piston travel.

Technical Specifications

  • Compatibility: Tokyo Marui M40A5
  • Body Material: CNC-machined aluminum
  • Sear Catch Type: 45°

Package Contents

  • CNC piston for manual sniper rifles
ColorGreen
Body/receiver materialMetal
Piston headMetal