GHK CNC Aluminum URGI GEI Style 13.5 inch Handguard for GHK M4 Airsoft GBB Length-(mm)_90mm The bolt carrier combines a

The bolt carrier combines a steel heavy buffer and a two-stage recoil spring / steel recoil spring guide rod set for great recoil impulses

Design for Tokyo Marui G17

First Factory Outer Barrel Base SHORT for M4 AEG Standard  (14mm CCW)

Arcturus DMAG (D-DAY) AKM 30/135 rds Variable-Cap EMM AEG Magazine

GHK CNC Aluminum URGI GEI Style 13.5 inch Handguard for GHK M4 Airsoft GBB Length-(mm)_90mm The bolt carrier combines aGHK CNC Aluminum URGI GEI Style 13. 5 inch Handguard for GHK M4 Airsoft GBB Aluminum Construction M Lok System Handguard With 20mm Picatinny Rail on Top Suitable For GHK M4 Series Airsoft Gas Blow Back GBB Airsoft Guns Length: 360mm