Z-Parts MK4 M LOK 13" Rail Handguard for GHK M4 GBB (w/ Barrel Nut/ DDC) Inner-Barrel-Length-(mm)_110 The headset itself sits around

The headset itself sits around the ear preventing sweat from forming and is very comfortable

EDGE Custom 'Hive' Standard Slide for Marui Hi-Capa / 1911 GBB Pistol

Built-In Clip-To-Clip Mechanism allow the Magazines can clip together

Solid Nylon Pistol Frame (MOST Realistic Frame in Market)

Z-Parts MK4 M LOK 13" Rail Handguard for GHK M4 GBB (w/ Barrel Nut/ DDC) Inner-Barrel-Length-(mm)_110 The headset itself sits aroundZ Parts MK4 M LOK 13" Rail Handguard for GHK M4 GBB (w Barrel Nut DDC) Metal Construction M LOK System Handguard 20mm Rail on Top & Front Come With Barrel Nut Suitable For GHK M4 Series Airsoft Gas Blow Back GBB Gas Rifle Airsoft Guns Length: 335mm