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300 blackout

  1. The Ammo & Reloading Forum
    I bought 1000 once fired Speer Nickel .223 Rem cases that I plan to cut to form 300 Blackout. I'd like to anneal the cases after cutting. Most of the times that I've cut down brass for re-forming it hasn't been necessary to anneal them, but as Nickle cases start out harder, I'd expect to have...
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