Maple Leaf Hop Up Chamber Set for UMAREX / GHK Glock Series ( GHK G17 ) new 6V Fit Battery Pack Large

6V Fit Battery Pack Large (Nickel) Barrel Thread Type Clockwise Barrel Thread Diameter 14mm Magazine Capacity 130 Rounds Bullet Type 6mm BB Power (Muzzle Velocity) 390 FPS Auto Firing Rate 750 ~ 850 Rounds per Minute Package Includes G&P AR15A2 Airsoft Rifle AEG

which softens the impact of the bolt group at the end of its rearward stroke

Mafioso Airsoft CNC Steel Kimber Ultra Carry II GBB Pistol (Silver)

1/1 Scale High Performance Assembled Electric Powered Airsoft AEG  This AEG is primarily Made of Aluminum Alloy & Zinc Alloy

You could quickly adjust HOP-UP just by remove forearm

Maple Leaf Hop Up Chamber Set for UMAREX / GHK Glock Series ( GHK G17 ) new 6V Fit Battery Pack LargeAlloy Hop Up Chamber For UMAREX GHK GLOCK 17 GBB Pistol Series Suitable for GBB inner barrel Maple leap Crazy Jet inner Barrel ( *Manual modify for TM Spec Inner barrel* ) Made in Taiwan by Maple Leaf