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Posted: 9/9/2008 12:56:14 PM EDT
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i've gotten mysel into a fix. one front trunion hole is bored too big. fix? go to lowes and buy a larger matching screw to fill it? - or alternately, fillit with a weld, and try to re-drill it second - front trunion screws in the kit are 1/4" long. that's not right, is it? if i drill that deep, i'll be into the barrel. shouldn't I get shorter screws? last - 10-32 bottoming tap broke damn near flush in a front trunnion hole. am I screwed? (no pun intended) how the hell do you remove a bottoming tap, especially that small? - and yes, i had the tap in a battery drill. it's a carbide speed tap, and it had already stripped out my kobalt tap wrench. i knew what i was asking for, just didn't feel I had much alternative. I appreciate any and all advice you can give. i feel sunk  maybe i know just enough to get myself into trouble
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Front trunion hole bored too big, I would fill with weld and redrill. Don't do screw builds so I don't know what you need in that department. You can get the tap out and there are several ways to do so. I have read that some cut them up with chisels but I would try a broken bolt remover (a bit that goes in your drill bit that you use with the drill in reverse). |
| I bought a kit with a bad rear trunion and I welded one end up at a time then drilled from the other side using the trunion hole as a guide. alittle filing, a small counter sink for the swell necks and it was as good as new. I have heard of guys spending hours with a dremil and a small bit, surgicaly removing broken taps. Good luck to ya. |
wow. you've had quite a bad day. here's an idea if you can weld (sounds like you can): plug weld the front trunnion to the receiver. if you don't want to do that, you will need to get about 6 5/32 chainsaw sharpening bits, chuck one up in the drill press and start grinding out that tap. i used up 2 dremel diamond points and 2 oregon chain saw bits cutting out a broken tap. took about 2 hours.  then fill the holes with weld and re-tap. you should grind the screws to the correct length. thickness of trunnion+thickness of receiver = length of screw shank. again, if you can weld, it sounds like you've got a good candidate for a plug weld build. |
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thanks for the suggestions. i'm not sure what i'll try yet, but those are some promising ideas. when i decided to take a break from the rifle, somehow i got roped into a kitchen remodel. quick, too. before i was done sulking over the rifle, i somehow had 4 gallons of paint, new cabinet hinges, countertop, flooring, sink & faucet staring at me, waiting to be installed. such is life  hopefully i'll get my head clear and get back to that rifle soon! i may be doing a screw/weld combo build. as long as it goes bang every time i pull the trigger, right? 
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