CASEYPM Posted July 25, 2015 Report Share Posted July 25, 2015 There is a gun shop selling black rain 3.5 lb blue drop in triggers for $99. I have a P-tac 10 lower which is basically the same as a PSA pa-10 lower. Would this trigger fit? I've heard there was fitting problems with CMMG but I can't find anything on black rain. Quote Link to comment Share on other sites More sharing options...
survivalshop Posted July 25, 2015 Report Share Posted July 25, 2015 There is usually no problems with the Modular fire control groups ( drop ins ) in any rifle I know of . Quote Link to comment Share on other sites More sharing options...
ChaseFan9 Posted July 26, 2015 Report Share Posted July 26, 2015 If it's a local shop you could ask the owner if you can bring your lower in, trigger and hammer removed, and see if it'll fit. If it's a drop in it'll probably take all of 30 seconds to see if the module will fit. Quote Link to comment Share on other sites More sharing options...
CASEYPM Posted July 26, 2015 Author Report Share Posted July 26, 2015 Thank you, that's what I figured I'd do. It is local. I've heard that P-Tac and PSA AR 308's have a couple thousandths of an inch less clearance for drop ins than most other lowers. If not, I just met someone that has a gun shop / machine shop that could fix it. Quote Link to comment Share on other sites More sharing options...
CASEYPM Posted July 26, 2015 Author Report Share Posted July 26, 2015 From what I've read, it's was only one that wouldn't fit. Either Giessele or CMMG. Quote Link to comment Share on other sites More sharing options...
ChaseFan9 Posted July 26, 2015 Report Share Posted July 26, 2015 I'mma go out on a limb and say it probably has issues with CMMG, but it seems like someone else mentioned problems between PSA lowers and some Geissele triggers.... Quote Link to comment Share on other sites More sharing options...
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