Gen4 45 Super

Discussion in 'General Glocking' started by MissoulaZ28, Feb 23, 2013.

  1. MissoulaZ28

    MissoulaZ28

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    I want to set up my Gen4 G21 to shoot 45 super for woods carry/hunting. I think I have a good understanding on what I need, anyone have any other suggestions?

    6" storm lake barrel
    gen3 guide rod adapter
    gen3 guide rod (captured or not?)
    22 or 24 pound spring?
    wolff plus power mag springs

    Anything else I need, or any specific brands I need to look at? Any input form someone who has done this would be great.
     
  2. Glockcubed

    Glockcubed

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    MissoulaZ28 - I asked the same thing of my local gun shop. The owner told me ammo was very scarce, and hard to get. For what that is worth. Good luck.
     

  3. MissoulaZ28

    MissoulaZ28

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    I reload for everything so ammo availability isn't an issue. Buffalo Bore (50 miles up the road) and Underwood also both make 45Super ammo, so not too difficult to get.
     
  4. Glockcubed

    Glockcubed

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    Thanks. I will be converting one over. And finding a new gunners mate. I have been using Doubletap and Underwood for 10mm and 45acp. Thanks again.
     
  5. bill4282

    bill4282

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    What's the difference between .45 Super and .45 ACP? Just curious
     
  6. GRT45

    GRT45 Transform & Win

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    Check with Bill Freeburn at BTGuiderods.com ([email protected] or 412-542-8189). He may be offering a captive dual recoil spring with steel guide rod for the Gen4 G21 now that doesn't require adapters. The BTGuiderod Sta-Tite dual recoil spring is a terrific product that accepts matched pairs of inner and outer springs from Wolff or ISMI. They make one for the G30 Gen4 for sure. You can tune it for best performance with your reloads. The toolkit they sell makes changing the springs simple and fast, no loctite required.
     
    Last edited: Feb 23, 2013
  7. BMiracletx

    BMiracletx

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    Make sure to use 45 Super brass... not 45auto. 45 Super is built thicker to handle the heavier rpessure. DO NOT LOAD 45 SUPER WITH 45AUTO BRASS!
     
  8. GRT45

    GRT45 Transform & Win

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    .45 Super is dimensionally identical to .45 ACP but with strengthened brass casings to withstand a higher operating pressure up to 28,000 psi versus 21,000 psi for 45ACP and 23,000 psi for 45ACP +P.

    As an example, a premium factory load of 45ACP +P 230gr can have a muzzle velocity from a 4.6" barrel of 1000 fps, 510 ft-lbf energy for a Taylor KO Factor of 14, whereas .45 Super 230gr will have a muzzle velocity of 1100 fps, 618 ft-lbf energy and Taylor KO 16.

    .45 Super is an effective hunting round for small to medium-sized game in the hands of a good marksman. One of my pistol instructors successfully hunts deer using his hand-loaded .45 Super ammo and a G21 with 6" KKM barrel.

    Buffalo Bore offers .45 Super 255gr HC-FN ammo rated at 1075 fps, 654 ft-lbf and Taylor KO 17.
     
    Last edited: Feb 24, 2013
  9. SDGlock23

    SDGlock23 JABRONI AUTIST

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    I use a 22lb recoil spring (with adapter of course) in my Gen4 G21, but a 24lb would be better to help slow that slide down some more. I use a 5" 4-port KKM barrel, I don't mess with magazine springs. The ported barrel slows the slide down enough that it's easier on brass and could be why I don't need to upgrade mag springs.

    I've worked up quite a few loads for the .45 Super, many of which are in threads in the 21 Club and Big Dawgs club.
     
  10. MissoulaZ28

    MissoulaZ28

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    Is the Storm lake barrel better than one from Lonewolf? Seems like the lone wolf ones are easier to find in stock.
    Also does the recoil rod brand matter? Are some better than others?
     
  11. BMiracletx

    BMiracletx

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    I have never had a problem with Lone Wolf barrels.
     
  12. Hondo341

    Hondo341

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    Also does the recoil rod brand matter? Are some better than others?


    I have the uncaptured full length rod from Wolff and it seems fine. I may go with the Springco set-up later.
     
  13. SDGlock23

    SDGlock23 JABRONI AUTIST

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    I don't really think the rod itself matters too much Hondo, just make sure you have it sprung kinda tight. I have some 24lb springs coming for my Super.
     
  14. mo.glocker

    mo.glocker

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    Do yourself a favor,only use a Wolff uncapturd 24 pd. guide rod and spring,I use an extended storm lake 2 port barrel and recoil buffer,works great :wavey: