1.Compatible with Retaliator and Prophecy-R.(need to match A pump，such as worker mod Short Dart Power Type DIY Blaster)
2.Replace the original spring, improve the performance (muzzle velocity, range, accuracy), while ensuring the initial velocity of 55-60M/S, loading is easier.
3.Durable imported piano wire material.Cold forming process Anti-rust.
4.Please notice this kits need some installation skills, so it is generally not suitable for people under 14 years of age.
Model: Worker 28N Spring
Process: Cold Forming Process
Package Weight: 25
Product Size(mm): outer diameter φ18*175mm
Packing size (mm): 50*240mm
1 x Worker 28N Spring