tomjerry1 Posted June 17, 2018 Share Posted June 17, 2018 Are there different diameters of holes in sears? I am wanting to change the trigger and sear on a 1911, and the sear pin diameter is .105" and the hole diameter in the sear is .110"? The best fix would be to find a sears with correct diameter hole to fit the sear pin? but I haven't found a sear that would work. I am not ready to start drilling the frame for a larger pin. Link to comment Share on other sites More sharing options...
rishii Posted June 17, 2018 Share Posted June 17, 2018 Marvel make a oversized pin set that requires you to ream the frame http://www.marvelcustomguns.com/oversize_sear&hammer_pins.htm Link to comment Share on other sites More sharing options...
ltdmstr Posted June 17, 2018 Share Posted June 17, 2018 Your sear pin is not to spec. SB .110" (- .002"). Link to comment Share on other sites More sharing options...
yigal Posted June 17, 2018 Share Posted June 17, 2018 Link to comment Share on other sites More sharing options...
tomjerry1 Posted June 18, 2018 Author Share Posted June 18, 2018 So there are oversized pins, but no undersized sears holes? I guess that's what to be expected from the lower priced 1911s. Link to comment Share on other sites More sharing options...
ltdmstr Posted June 18, 2018 Share Posted June 18, 2018 If they frame is in spec, you should have no problem with a correct size sear pin and the sear you want to use. If the frame hole is undersize, I would enlarge to spec. Link to comment Share on other sites More sharing options...
tomjerry1 Posted June 19, 2018 Author Share Posted June 19, 2018 That is what will probably happen, wanting to exhaust all other possibilities before breaking out the drill press. Link to comment Share on other sites More sharing options...
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