Our P320 80% Frame Completion Video will walk you through completing the MUP-1 80% Frame.
If you find our videos helpful please consider supporting us for free by using our affiliate banners and links on www.trb.fyi or by donating by becoming a Patron on Patreon http://www.patreon.com/TheRogueBanshee. Your support helps us continue providing high-quality content.
Visit our channel for more content on Sig Sauer firearms and remember to subscribe while you are there. Also, make sure to visit the Full30 Forum located at https://forum.full30.com/ to interact with other gun owners in some awesome conversations about all aspects of our sport. While you are there stop by my profile (https://forum.full30.com/u/TheRogueBanshee/) to see what threads that I am active in.
For the tools that we used on the Sig P320 videos visit http://trb.fyi/tools-used-in-the-p320-disassembly-and-reassembly-videos and visit our troubleshooting guides at http://trb.fyi/troubleshooting/ while you are at our page.
Video Index: Inserting the Frame into the Jig - 0:32 Bending the Frame Rails - 1:55 Drilling the Holes - 3:47 Opening up the Trigger Slot - 5:48 Opening up the Safety Lever Slot - 6:55 Cutting the Slide Rails - 8:35 Deburring the Frame - 13:15