Invader PDW P320 V1.0.1

The Invader PDW P320 is a Sig Sauer P320 compatible PDW chassis featuring a spring-loaded collapsing brace, extra magazine holder, charging handle and optic mount. This release includes all files including STEP, STL, and documentation for print and assembly. Also included are files for the DNL_P320 Grip module (STEP and STL). Future updates will include more advanced features and stipple updates. Update v1.0.1: added brace locking plate