This is a 3D Printed kit.This kit includes:Stryfe modular front adaptor (includes Worker Stryfe top patch)MP5k front barrelMP5 Top coverRear sight100mm Rail x 150mm Rail x 1Worker inner barrelThis kit DOES NOT contains:- Muzzle- Buttstock- BlasterVideo : https://gfycat.com/FeminineComposedHamme..