smartbomb 133 Posted February 5, 2011 Report Share Posted February 5, 2011 (edited) after beating my head against a wall trying to get the gas knob out, i finally get to start something fun. i am deciding whether to go u/f or not. my decision hinges on this. looking at my u/f trunnion compared to the s20 receiver, something looks off. if i line up the upper rivet hole in the trunnion to the upper rivet hole in the receiver there is about 3-5 mm of excess receiver hanging off the back. my thought was to drill a new hole but it would be very close to the old, almost to the point of an oval. i think it would eventually slip and become loose the other alternative would be to trim the receiver to fit the trunnion but that would also mean trimming the cover. am i missing something? well here is the progress so far. Edited February 5, 2011 by smartbomb Quote Link to post Share on other sites
YOT 3,743 Posted February 5, 2011 Report Share Posted February 5, 2011 Trim it up. You've gone this far. Quote Link to post Share on other sites
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