TNT Airsoft O-Ring Type Piston Kit for KWA H&K MP7 Gas Blowback Airsoft SMG

Features

• Includes piston, O-ring, and a spare O-ring to replace the original when it wears out
• Innovative 4-hole suction and exhaust design
• High quality sand-blasted and anodized finish
• Provides significantly improved air seal and overall lifespan

Manufacturer: TNT Airsoft

Specifications:

Material: CNC-Machined Aluminum
Package Includes: 1x Piston, 2x O-Rings

Compatibility for (Model: Aluminum Bolt Kit): KWA / KSC / Umarex MP7 series gas blowback SMGs utilizing the ESD Aluminum Bolt

Compatibility for (Model: Original Bolt Kit): KWA / KSC / Umarex MP7 series gas blowback SMGs