I'm converting a Saiga .308 and I'm at the step where I need to remove the trigger assembly. I know that I can't just pound the pins out- I have to drill out the shoulder. The issue is that I put one of my bits from my set into my drill press, set my Saiga down, started drilling, and before I knew it I had ground my bit down to two thirds it's length, and my trigger pin shoulder had an indention of less than 1/8th of an inch. Clearly my bits aren't going to go through that shoulder any time soon. I'm about 4 minutes away from a hardware store so I'm thinking I'll head down there and buy a