Experience smoother performance and stronger firepower with Worker MOD Extended spring, maximizing the potential of your Worker MOD Prophecy-R blaster. This is an Expanded Plunger Chamber with the POM material plunger rod and spring, improved the plunger linear movement and reduce the chance of spring deform while priming. Accompany with the fixture for the buffer tube, you could always easy to change difference spring power in seconds, without any screw fastening process.

Advance modding skill does require, you need to replace the plunger rod and buffer tube on your Prophecy-R blaster.

The kit include the following parts:
- Worker MOD Metal Expanded Chamber with Plastic Plunger Rod