For sale very nice used Premier Reticles 5-25x56 Gen2xr. This optic has a TT trade of 2k towards a new TT. Comes with Arken 34mm rings. $1700 shipped to your door.
H2 or H3 buffer will help light primer strikes. You could be experiencing bolt bounce where the carrier will bounce off the face of the barrel extension just enough to cause a light primer strike. An H2 or H3 buffer will provide enough weight to alleviate this.
Or places like this in Ireland popping up around all the bases where china owns land. I believe it’s 19 bases across the country where china purchased large pieces of property.
Try closing your gas block completely and shoot suppressed, and unsuppressed.
Does this occur unsuppressed?
Try some cci 34s, they will have a thicker cup then the 210m, Remington 9 1/2s.