200swc
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    200swc

    does anyone have any experience with reloading 200gr LSWC's for a G21sf?

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    I have tried to run 200 gr SWC in my 21 and my 30s but have had issues. Most will cycle fine but every so often get a failure to go into battery and have to smack the slide to get things going. I do use a Dawson case gauge and they pass. Would assume my oal is off but can not find the sweet spot. These rounds work flawless in my 1911.
    Have given up on Glocks and SWC and use FP or RN.
    Maybe some smart guy will solve the issue and I can use them. I love SWC in competition as the "flying ashtrays" make the best holes.

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    They sure do make the best holes...

    Only tip I can give is to do the "plunk" test to determine the best OAL for your gun... Take the barrel out and drop the cartridge in... It should "plunk" when it drops down the barrel (hence the name) and should spin freely... If not, go a little shorter...

    I usually dump all the powder out before doing a plunk test... No sense wasting powder or primers for rounds that you won't shoot...
    "While the anti-gunners seem very concerned about the "one life" that your firearm might take -- they are not very concerned about the lives it will save." Jon H. Gutmacher, Florida Firearms - Law, Use & Ownership

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    jb thank you sir, sound advise. I usually rely on my Dillon case gauges but the barrel is the final authority. Just ran 50 thru the barrel plunk test that passed the case gauge.
    Will shoot on Saturday to see. Will update then.

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    Is your crimp tight enough ?

    Although swc sabots are not known to creep, you may be having one or two being affected by recoil.

    Josey Wales: When I get to likin' someone, they ain't around long.
    Lone Watie: I notice when you get to DISlikin' someone they ain't around for long neither.

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    You could make a mold of the chamber using Cerro-safe and get an exact measurement of your chamber. A 1/2 lb block of the stuff is about $15 at Midway. And I saw another material in the Blue press a couple of months ago but I need to find the magazine again for the material.

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    Good thoughts Otintx, my crimp is no more than .471 Will see if I have any issues saturday and save that round. thanks

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    Quote Originally Posted by OHgaz View Post
    You could make a mold of the chamber using Cerro-safe and get an exact measurement of your chamber. A 1/2 lb block of the stuff is about $15 at Midway. And I saw another material in the Blue press a couple of months ago but I need to find the magazine again for the material.

    Gaz
    That is waaay too much motivation for me. My 45's run perfect on any sort of RN or FP so for now will stick with them. Thank you for the input

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    That's mainly a precision rife or pistol shooting technique for reloaders. If you reload to SAMI specs then the 'plunk' test jb mentioned is just fine IMO.
    But it is nice to know your chamber dimensions so you can better adjust your dies.

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    Quote Originally Posted by __jb View Post
    They sure do make the best holes...

    Only tip I can give is to do the "plunk" test to determine the best OAL for your gun... Take the barrel out and drop the cartridge in... It should "plunk" when it drops down the barrel (hence the name) and should spin freely... If not, go a little shorter...
    A friend and I used to have to do that years ago when we were loading 9x19mm for my BHP and his Glock 17, especially with heavy bullets, like the Hornady 140gr. .357 JHPs that some people were loading at the time.

    The chamber in my Browning was much tighter than that in my friend's Glock.

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