.44 Mag Power For Your Colt 1911

.44 Mag Power For Your Colt 1911

This is a discussion on .44 Mag Power For Your Colt 1911 within the General Firearm Discussion forums, part of the Related Topics category; Link To bcarmory conversion Click Here Other interesting stuff at that link also. 460 Rowland Conversions This cartridge gives your 45 the power of a ...

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Thread: .44 Mag Power For Your Colt 1911

  1. #1
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    .44 Mag Power For Your Colt 1911

    Link To bcarmory conversion Click Here

    Other interesting stuff at that link also.

    460 Rowland Conversions

    This cartridge gives your 45 the power of a 44 magnum. The 460 Rowland is a lengthened and beefed up case manufactured by Starline. When loaded to specification, velocities run up to 1550 feet per second using 185 gr. Bullets. Once the barrel is re-chambered for the 460 Rowland you can still shoot 45 ACP in it. The secret is in the compensation of the barrel. Using gas pressure to counter barrel/slide recoil allows you to shoot the higher velocity of the 460 Rowland while preventing damage and allowing faster follow-up shots.

    As you can see by the close-up photos the brass is a bit longer than standard 45 ACP. You can still load using your 45 ACP die set-up. Just adjust the bell die and crimp die to the new longer brass length. Overall length is the same. Still fits the 1911 magazine so no frame modifications or changes are needed.


    Cost to convert your 45 to 460 Rowland is $300.00 plus shipping. This includes installing and fitting a BC Armory compensator to your gun and rechambering your barrel.


  2. #2
    VIP Member Array Bud White's Avatar
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    Ive read of this but not sure if it will go anywhere .. rember the 400 corbon or 45 super?

    Anymore if i want 44 mag power from something itll be a 44 Mag wheelie or DE..

    i know they say when comped etc etc there will be no frame damage but the Delta elites has some problems and colt made the whole gun Not just a conversion kit ..

  3. #3
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    I'm somewhat with Bud here - keep old slabsides as intended - need more power - change platform!!

    How 'bout a Coonan LOL - or .50 D'Eagle
    Chris - P95
    NRA Certified Instructor & NRA Life Member.

    "To own a gun and assume that you are armed
    is like owning a piano and assuming that you are a musician!."


    http://www.rkba-2a.com/ - a portal for 2A links, articles and some videos.

  4. #4
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    Well said, Bud.
    "The pistol, learn it well, carry it always ..." ~ Jeff Cooper

    "Terrorists: They hated you yesterday, they hate you today, and they will hate you tomorrow. End the cycle of hatred, donít give them a tomorrow."

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    Member Array HighVelocity's Avatar
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    Another caliber of the week. Just get a 10mm and be done with it.

  6. #6
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    Gulp!

    No 460 Rowland Fer U Guys?

  7. #7
    VIP Member Array Euclidean's Avatar
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    Oh yeah? Well I demand Colt 1911 power for my .44 Magnum so there!

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    Senior Member Array rfurtkamp's Avatar
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    I figure I'm close enough with a passel of actual .44s, including my DE, and the .357 Sig.

    And with the Sig, I get 13+1 instead of 8+1 ;)
    Driver carries less than $45 worth of remorse.

  9. #9
    VIP Member Array Bud White's Avatar
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    That would be the 44sp Euc

  10. #10
    VIP Member Array Euclidean's Avatar
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    No Bud. I demand an expensive conversion that costs as much as I paid for the gun itself!

  11. #11
    Distinguished Member Array RSSZ's Avatar
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    I've "looked into these" although never bought one. You can get them from Gunbroker and others for $229ish. Bbl with comp installed with the longer chamber. Recoil spring that is ultra heavy and a couple of other parts to lessen the impact/torque on the frame of your 1911. This is supposed to be a "drop in kit",although I've never heard if it really is.My main concern was what will a couple of hundered .460 Rowland pressured rounds "actually" do to the frame of a Colt 1911 ?? Also,what is the actual hunting accuracy like? I'm sure it would be accurate enough for CCW.Although double taps would be out of the ?. Remember the .451 Detonics??---------

  12. #12
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    Some time ago I checked into this conversion. It's offered by Clark Custom and I was told by Kay Clark that it will do no damage to a good 1911 frame as long as you use a 28# recoil spring.
    Heroes are people who do what has to be done, when it has to be done, regardless of the consequences

    "I like when the enemy shoots at me; then I know where the ******** are and can kill them."
    ~George Patton

    DE OPPRESSO LIBER

  13. #13
    Distinguished Member Array RSSZ's Avatar
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    But a 28# spring slammin' forward ?? I would be interested if anybody has had expierence with the conversion. Is it really drop in ?? I still got a 1911 frame or two sittin' around collecting dust. Might be a interesting build.--------

  14. #14
    Member Array Brian45's Avatar
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    I have a concern about this conversion. The .45ACP headspaces on the casemouth. If the barrel needs to be rechambered for the longer .460 Rowland how can you still shoot .45ACP and have the correct headspace? Or am I missing something?
    NRA Life Member

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  15. #15
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    Brian - It's a barrel change out. You have to change barrels to shoot the 460.

    It needs to be fitted to your gun, then swap out the barrel and the recoil spring to shoot the heavier cartridge.
    Heroes are people who do what has to be done, when it has to be done, regardless of the consequences

    "I like when the enemy shoots at me; then I know where the ******** are and can kill them."
    ~George Patton

    DE OPPRESSO LIBER

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