Features:
Gas Blow Back
Front Rail for Torches and Lasers
Adjustable Rubber Back Straps for users with Different Size Hands
Textured Grip for Extra Hold
Wave Textured Slide Back for a better grip whilst Cocking
Green Dot Highlighted Top Sight
Safety Trigger
Windage Adjustable Ironsights
Adjustable Hop-Up Unit for Range and Accuracy
Double Stacked Small 15rnd Magazine 
Infornmation:
Model: Hi-Capa 5.1 K-version
Materials: Steel, Zine Alloy, Nylon, Rubber
Length: 200mm
Weight:1100g (2.4 pounds)
Power Source: GBB
Action: Semi
Ammo Type: 6mm airsoft BBs
Ammo Capacity: 31+1 round magazine
FPS: 300
Bunker Tech Upgrades
Maple leaf gbb 6.02mm Inner Barrel
Maple leaf  High Accuracy Hop-up Bucking- Internal Parts Adjust
All function checks, to avoid common tolerance issues.
BB weight for optimal performance: 0.36 gram
22 rds Magazine for WE Hi-Capa