Features:
Durable full metal construction
Ergonomic anodized aluminum grips with grip tape
Match style high sights
Drop free magazine
Frame mounted 20mm accessory rail
14mm negative threaded barrel with CZ style thread protector
Tunable anodized aluminum trigger
Infornmation:
Model: SP01
Materials: Steel, Zine Alloy, Nylon, Rubber
Length: 212mm
Weight:1138g (2.5 pounds)
Power Source: Green Gas
Action: Semi
Ammo Type: 6mm airsoft BBs
Ammo Capacity: 26 round magazine
FPS: 400
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 
PS:
ASG CZ75 Gas Magazine ( for CZ75.SP01. )