Product Description

Silverback Airsoft Variable Mass Piston for Pull Bolt SRS Series Airsoft Sniper Rifles

• Aluminum construction with steel piston end
• Rubber silent piston head
• For "Pull Bolt" SRS systems
• Adjust and fine-tune the joule output of your sniper rifle with weighted flyweights to match your sniper BBs
• Easy to install and fine tune

This special piston will allow you to tweak the muzzle energy of your SRS by adjusting the piston mass from 40 to 137 grams with 15 different configurations.

Application: Fine-tune and adjust the Joule output of your SRS Airsoft Sniper Rifle
Compatibility: Silverback Airsoft SRS sniper rifles with pull bolt system
Material: Polymer, Aluminum Alloy, Steel

Package Includes:

• NBR piston cup
• CNC AL 6061 T6 piston head
• CNC AL 6061 T6 piston body
• CNC steel piston end
• CNC aluminium flyweight (4 pieces)
• CNC steel flyweight (4 pieces)
• PTFE grease
• Tools

Manufacturer: Silverback Airsoft