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110195 No. 110195 ID: 3fa894
I'm thinking about a Glock 32, and I also want to reload the casings. I've hand loaded for 9mm and .223 before. I was told by a gunsmith friend that the gun will beat itself to death after 5000 rounds. Should I just change the spring after 5000 rounds? what about a heavier spring?
>> No. 110200 ID: b48b04
Do not reload for a Glocknade in calibers other than 9mm, at least not using the stock barrel, which in larger calibers is oval shaped with a few hundredths (not thousandths, hundredths) vertical slop to help feeding with ginormous .40 caliber hollowpoints and case head support ranging from mediocre to nonexistent. I've shot a range rental Glock 23 that left every fired case looking pregnant, and that was with factory ammo ammo, not reloads, and they were only 180gr FMJ practice ammo, nothing hot or outrageous. You didn't need a micrometer. You could see the bulged cases, each one with a little smile, with the Mark One Eyeball.

If you must do this, you would be well advised to find an aftermarket barrel that has a tighter chamber and better case head support than stock.

You may also want to look into an extra power recoil spring. I admit I don't know as much as I should about Glocks, but when S&W tried to make M&Ps in 357 SIG they could not make them run reliably without an extra power recoil spring to keep the slide from cycling faster than the magazine spring could push the top cartridge into place. There were also serious problems with frames getting battered. It's strange. From just strict comparison of momentum to momentum, a 357 SIG load with a 124gr bullet at 1300-ish feet per second ought to have less recoil and muzzle flip than a .40 caliber load with a 180 at 950. But the opposite is true. 357 SIG batters frames and beats the hell out of guns. SAAMI max allowable pressure for 357 SIG is 40K PSI, compared to 35K for .40 and 37,500 for 10mm. I find myself wondering if the higher pressures are contributing to extra slide velocity. Those pressures make me feel very much not warm and fuzzy about trying my luck with Glock case head support.

Also, be advised that 357 SIG, as a bottlenecked case, can't be reloaded with carbide dies. It needs steel dies and lube, like .223.
>> No. 110203 ID: bd5a80
Newer glocks have better case head support, so it's not as big of an issue anymore. Still, a new barrel does have advantages beyond a bit more support for longer lasting brass.

Get one that's threaded. Ideally, a suppressor. You might not even need a booster, light enough suppressors can SOMETIMES cycle basic bitch 9x19 so a much spicier round could run just fine. If you can't/don't want a can, a little brake would be great. It'll make the 357 sig even louder and more obnoxious, but it'll take all the snap out of the gun and it'll stop it from beating itself to death. You might have to find the right brake, some might take too much oomph out of it and not cycle hard enough, some might let the gun cycle too hard.


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