The Decker is a fully DIY .380ACP carbine utilizing a DIY bolt, DIY fire control group and custom DIY magazine. It supports a variety of barrels, including barrel liners and ECM barrels.
The Decker’s unique design can be configured as a sideloader or toploader, both of which are fully ambidextrous. Its DIY FCG can be configured as both semi-only or semi/FRT.

This product is a 5.5″ barrel liner chambered in .380ACP, guaranteed to work with your Decker .380 build. It is threaded for 1/2-28″. For an unthreaded liner, visit here: https://3dprintfreedom.com/product/decker-380-barrel-liner/