The BCM MK2 Buffer System is a significant improvement over your run-of-the-mill carbine system. The MK2 features a longer receiver extension and a longer buffer while utilizing a standard rifle-length action spring. But why does all that matter?

For more on that, you'll want to check out the product page, where we go into further detail on everything the MK2 brings to the table.

We've also expanded our Open Source files library! We added the Ragnarok Mounting Pattern files (holster and carrier versions) and the files for Ironside Belt Loops and Carrier connectors. All of our open-source materials exist for ongoing development and constant improvement. Anything you build that uses these mounting solution can be distributed privately, publicly, or commercially.