Donnysonshine Posted January 1, 2021 Report Share Posted January 1, 2021 Hello all and thank you in advance for any guidance. I just purchased my first ar 10 from a private build that was less than honest about said build. The bolt does not seem to engage the cartridge with enough force to chamber the round. It also does not pull cartridge from chamber to expel spent brass, the bcg just pulls back with the cartridge left to dangle. This is all being done without firing this weapon yet. It is an aero build with 18” barrel and 12 (+/-) gas tube. The buffer tube is 7”, has a 3 1/4” buffer and a 36 coil spring. I got the seller to replace the misrepresented bcg with a true aero bcg. This did not help. I assume it is because the buffer(and maybe spring) is too long for the 7” buffer tube, but not sure. The buffer now reads dsi c 556 4.5 and is for an ar 15 I again presume. Should I just get a longer buffer tube, or should I order a 2 1/4” buffer and spring from aero? Thank you again for any assistance! Don Quote Link to comment Share on other sites More sharing options...
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