fill the case 2/3 full of oil, set it in the shellholder on a solid surface,, get a wooden dowl that will slide down the case neck, tap it with a hammer, the oil will push the primer out, then you can examine the pocket and flash hole. Is it possible that that brass is berdaned primed?only...
My mother years ago went into a gun shop and asked the guy behind behind the counter for collars for an RCBS flashhole deburing tool for her son (me) as a christmas gift. The gentleman asked her which caliber was he needing. She replied "he has one of everything"
American Tactical calvary, 3" chambers, screw in chokes, selective. extractors/ejectors, barrel selector...a nice shotgun for the price, they do run around 600 bucks.
just loaded up some 103 ELDX's with 29.2 gr of lever, won't handle the book max charge of 29.5, shoot 1 resize it and its now a belted case. Thats using new starline cases, hornady handles it fine.
L2R
once fired starline, once fired starline and resized, 3x loaded hornady.
my 22" AR runs 108's 2725, thats hornady factory loads, shoots sub 1/2 moa if I do my part. have shot a couple deer with it, all does, the 2 I remember were the best and worst results. one at 70 yards that ran 30 yards and piled up and one at 304 yards that made it over 200 yards, both shot...