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Hello all, Just wanted to get some feed back. Over the years any time I have gone out to the range I have picked up brass that was left behind. Most of the time it was a lot of 223 and 308 plus some 9mm. I never thought I would get into reloading so I bought at shows reloading brass and big box store purchase as well. Now that I got into reloading my questions are 1. The reloading brass I purcahse at shows can I reload those and keep them all together 2. Big box store purchase can I reload those with my own load or do I need to purchase new brass. Sorting some times is very hard because of different stamps on the brass. Some I could tell are 223 but brand name is sometime hard and can't make out what they are. Any feedback would be great and I just finished watching the first serias of videos on reloading. Picked up some more good info I never thought about. Thank you in advance.

308 with 180gr Sierra Pro Hunter Round Nose (flat base) and Varget. Working on creating a load for this round using the OCW test at 100yd. I noticed that sometimes my first round would be inches away from the other rounds in the group. This never happened when using 165 game kings, 168 SMKs, 168 MATCH, 175 SMKs, 178 MATCH bullets with H4895 and Varget. After the first test I noticed my suppressor was loose and thought maybe that was the problem. Did another test and made sure it was secure throughout and still had the issue. First test was done prone off bipod and rear bag. Second test was done off bench with bipod and bag. All shot with Magnetospeed V3 attached to the stock so not touching the barrel. Always check the scope base/ring and stock torque specs before and after shooting. Brass, bullets, powder, and primers are all from same lot. Powder weighted from RCBS Chargemaster lite. What could be causing this? Rifle: Short Action Customs 308 22" barrel Manners stock Nightforce scope Atlas bipod Trigger Tech 1.5lb trigger Nomad L with Area 419 mount Ammo: Sierra Pro Hunter 180 grain Alpha munitions brass 5x fired and annealed after each firing Varget powder Federal GM210M primers Jump 0.050" because of mag limits

I have an odd situation going on with my dreaded .223/5.56 Mossberg MVP. I just tried a new powder and got great ES and SD numbers and alright accuracy with my bullet combination. Anywho, a new phenomenon has reared its head. The fired brass is pushing out the primers. Like the primers are un-seating themselves. It's not over pressure (primers crater and/or punch a hole in them) and all the primers have a good fit and aren't loose by any means. What could allow the primer to push out like that? I have a theory that the brass isn't actually headspacing properly and the firing pin is pushing the cartridge farther into the chamber making a gap with the brass and the bolt face...