GHK 12.5 inch COLT Licensed M4 RAS GBB (V2)
Realistic, Stable & Powerful Recoil System by GHK
COLT Licensed

Full Metal Receiver (Engraved "COLT" Marking with Logo)
Steel 305mm Outer Barrel With 45mm Steel Flashider
20mm RIS Rail System handguard (Length: 180mm)
Cocking Handle can be locked & released
Fixed Front & Flip-up Rear Sight
Extendable 5 Position Buttstock
Steel Housing 40 rounds loading capacity Polymer Gas magazine
Steel Hammer Set, Bolt Release, Fire pin, Magazine Release, Bolt, Selector


New HOP-UP system, ver 6.0 hammer, and stable bolt lock
CNC machine bolt carrier (Process with heat treatment. Harder material and smooth performance)
Metal bolt lock (magnet design adoption) - stronger and more stable
The inner barrel is a precision one with 6.03mm
The bolt is adopted by impact-resistant material with a German made connect spring. It is flexible, not easy to break, but easy removal and maintenance; which is also save gas for high airtight characteristic.

The barrel has very detail heat pattern, which is OEM by Montblanc. Steel thin-walled, light weight, and hollow center, the whole process of producing barrel is almost the same level as real gun.
Dilute phosphoric acid manganese as surface treatment, which has double cost compared to manganese. This make the product no rust, and won’t scratched.
Sling mount can be installed with any single, 2- or 3- point tactical sling
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