Worker MOD Metal Stefan Breech Kit is built for perfection using the highest quality precision-machined computer numeric control (CNC) aluminum that will improve modded and stock foam dart blasters. Its parts come in a beautiful anodized aluminum finish that keeps them free from corrosion, provides a hard and mostly scratch-resistant surface, and in a beautiful colors.

The kit is the ultimate Nerf Retaliator and Worker Prophecy-R blaster internals modding kit. The re-engineered Metal Chamber and the metal Plunger ensure the reliability even in rapid firing and durable use.

Advance modding skill does require, you need to replace the plunger and Chamber on your Retaliator and replace this metal kit. Please select option parts include bolt, stefan bolt, bolt sled, dart gate and barrel tube to maximize the function or this kit.