The Worker MOD spring shock reduction brass tube is specially design for Worker Swift Blaster. This is to reduce the shock produced after spring release, which help to reduct noise after each shooting process.

Please notice this tube suitable for the stock 1.2mm or 1.4mm wire diameter spring for Swift blaster only, it could not fit on the stronger 1.6/1.8mm diameter spring.

Worker MOD Spring Damping Shock Reduction Tube for Swift Blaster Modify Toy