Retro Arms Upgraded CNC Piston for SGR-12 / AA-12 Airsoft Electric Shotguns

• Ultra durable CNC-machined nylon construction
• Hardened steel teeth
• Screw included for locking the comb against movement (Do not use the original self-tapping screw)
• Designed for high stress builds. Strong piston for strong shotgun

Manufacturer: Retro Arms

Specifications:

Material: CNC-Machined Nylon, Hardened Steel Rack
Compatibility: For EMG SGR-12, Tokyo Marui AA-12 & Other Compatible Airsoft AEG Rifles