Features:
High Strength Nylon Reinforced Polymer Lower Receiver
Aluminum Alloy Upper Receiver
Full Metal RIS Front End
Steel Alloy QD Barrel System
Tightbore Precision Inner Barrel
Ambidextrous Selector Switch, Magazine Release, and Charging Handle
Retractable Folding Stock
Full Length Top Rail for Optics
Adjustable Flip-up Front and Rear Sights
Newly Designed Hopup System for Optimum Accuracy and Range
Integrated QD Sling Swivel Mounting Points (Sling Swivel not included)
Mock Gas Adjustment Knob for Extraordinarily Realistic Detail
Reinforced Full Metal Trigger Assembly
Full Metal Bolt with Hard-Kick Recoil Spring
Realistic Hard-Kick Blowback System with Locking Bolt Mechanism
Infornmation:
Model: ACR
Materials: Steel, Zine Alloy, Nylon, Rubber
Length: 685/855-930mm
Weight:3300g (7.3 pounds)
Power Source: Green Gas
Action: Semi/Auto
Ammo Type: 6mm airsoft BBs
Ammo Capacity: 30 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