To reduce weight and increase the FPS a strong 45° polycarbonate piston is used with an oversized O-ring to create a perfect air seal to boost the FPS of the M28

6 position retractable GOS V3 stock

Compatibility: Tokyo Marui 5

- CNC machined aluminum

but can't run CO2

MAGPUL MOE ADJUSTABLE CARBINE STOCK MILSPEC UPGRADE - DARK EARTH AEG Mosfet To reduce weight and increaseSPECIFICATIONS BUILD: FULL POLYMER BODY LENGTH: 6. 90" IN. HEIGHT: 5. 250" IN. WIDTH: 1. 750" IN. WEIGHT: 8. 6 OZ. COMPATIBILITY: THIS MAGPUL MOE BUTTSTOCK IS COMPATIBLE WITH AR15 M16 CARBINES USING MILSPEC SIZED RECEIVER EXTENSION TUBES. PACKAGE INCLUDES: BUTTSTOCK, INSTRUCTIONS, MAGPUL STICKER COLOR: DARK EARTH FEATURES 3. 25" LOP ADJUSTMENT RANGE SUPPLEMENTAL FRICTION LOCKING SYSTEM CHROME SILICONE LOCKING SPRING SHIELDED RELEASE LATCH SLOPING