The SR-722 from developer Mr. Snark and the team over at Black Lotus Coalition. The SR-722 is a DIY Bolt Action rifle that is majority 3D printed. It is an extremely cheap build, lightweight, and accurate with the right tuning. Everything needed to build this rifle can be sourced at your local hardware store! Use good ammo and a good scope for best results it can be accurate to how you adjust it.

Current Release Pack is the 1.11

Update 1.11 April 15th, 2026
1.11 notes
Added additional tools to assist with the SR-722 build.

1.1 notes
Updated PDF was missing 2 springs

Refined the striker by adding a chamfer to interference surfaces, and adjusted pin support arm length for more clearance.

Made changes to the firing pin to make it easier to manufacture. Made the Striking portion of the pin shorter, Only 7mm required.

Go to Onshape.com and search for “SR722 by Snark” for the latest changes.

You can buy a parts kit here:
https://www.print-a-22.com/product/sr722-complete-hardware-kit/

Join our Patreon and support the team! Let me warn you in advance I suck at updating it but we have a test and developer fund set up to contribute to testers.
https://www.patreon.com/c/BlackLotusCoalition?vanity=user

LBRY Tags: guncad