40cal reloading

Discussion in 'Ammunition & Reloading' started by BullseyePrecision, Jan 10, 2012.

  1. BullseyePrecision

    BullseyePrecision New Member

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    I heard someone saying the 40cal gun shouldnt shoot reloads, any thoughts?
     
  2. hiwall

    hiwall Active Member

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    every gun can shoot reloads. good reloads are the same(or better) as factory loads.
     

  3. Overkill0084

    Overkill0084 Active Member

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    Reloading .40 S&W is alive & well. Now in some instances there are limitations as to what is advisable in certain guns. I understand that shooting cast in a OEM Glock barrel is not without it's issues. Same for ported barrels. But then, this isn't restricted to .40 S&W. But as a general rule, you're good to go if you approach it logically & safely.
     
  4. mtbfarms

    mtbfarms New Member

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    I think that might be coming from reloading brass that has been shot from a glock. The chambers are not fully supported and will swell the brass and can cause chambering issues if the brass is not fully sized. If it is loaded correctly you will not have any issues.
     
  5. TheOldMan

    TheOldMan New Member

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    Recently reloaded 500 rnds of .40 using golden saber bullets for a buddy of mine. He's not reported any issues running them through his XDM Springfield.
     
  6. BullseyePrecision

    BullseyePrecision New Member

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    Anyone shot any through their glocks?
     
  7. tiberius10721

    tiberius10721 New Member

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    I believe the issue with glocks is that their barrels have hexagonal rifling so if you want to shoot cast lead out of them you have to change barrels. I know a few people who reload for their glocks and they all use jacketed bullets. Personally if I was new to reloading I would not start with a 40 cal glock because it is a high pressure pistol cartridge and their is not much room for error. If this is your first time reloading try reloading 38 specials for something like a gp100 357 mag at least if you make a mistake you have a lot more room for error.
     
    Last edited: Jan 10, 2012
  8. noylj

    noylj Member

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    The .40 is a very "temperamental" round in my experience. If you want a full-power load, be sure to use an appropriate SLOW powder (HS6, Silhouette, and True Blue have been very good in my guns).
    Use the loads in a couple of good manuals. Start with the lowest starting load and work up.
    Powders faster than AA5 tend to spike pressures in the .40S&W, and Clays is bad enough with spiky pressures in normal cartridges that I would not use it.
    There is no problem reloading the cartridge, but I just don't think that it was really made to shoot at the SAAMI pressures of hot factory rounds. I think it was brought out too soon, and too hot for that size case.
    It is a real joy in terms of accuracy if you don't push velocity/pressure. AA5 at mid-range velocities is VERY accurate.
    The use of bullets of less than 180gn will also eliminate some of the "temperamental" issues. No matter what any one says, the "best" bullet weights are 145-165gn.
    Now, if you want to get into action pistol shooting with .40S&W major and you want to use a very fast powder, then you are walking on edge of a KB, as many competitors have found out for themselves. I mean, it isn't hard to make major, but the extremely fast propellant choice is not optimum.
    I don't even want to get into 9mm Major. It only exists because of the cost of .38 Super brass, but the rounds are loaded almost as long as .38 super (and bullet set-back is really nasty).
     
  9. armsmaster270

    armsmaster270 New Member

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    I have had no problems with my .40 loads shot in a Sig 226 and a S&W Sigma.
     
  10. robocop10mm

    robocop10mm Lifetime Supporting Member Lifetime Supporter

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    I have loaded tens of thousands of rounds of 40 S&W w/o any issues. Glock pistols have issues that have caused the maker to "disallow" reloads. If your pistol will not hold up to reloads, then I have no use for your pistol, Gaston.
     
  11. Overkill0084

    Overkill0084 Active Member

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    AFAIK, nearly all firearms manufacturers have a clause in the manual regarding reloads as essentially voiding your warranty.