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Running a 17-lb ISMI recoil spring my Glock 29 with original Glock 10mm barrel, I've not yet ever bulged a piece of 10mm brass in over 3,000 rounds. Not once, not ever.
Mostly, that's been handloads running 150 or 180 slug, Power Pistol, Blue Dot, IMR-800X or Longshot. In factory, it's been Hornady, Remington, Federal, Winchester Silvertip and two boxes of the hot Buffalo Bore 180's.
My G29 is a Gen3 with a summer 2008 build date, MML prefix.
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Attention Brass rats and other reloaders: I really need .327 Federal Magnum brass, no lot size too small. Tell me what caliber you need and I'll see what I have to swap. PM me and we'll discuss.
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