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Custom 1911 barrels. Douglas, Krieger, Kart

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Custom 1911 barrels.  Douglas, Krieger, Kart Empty Custom 1911 barrels. Douglas, Krieger, Kart

Post by mbacker_99 on 2020-04-18, 22:04

Longtime lurker.

Inspired by the great Jerry Keefer

1/14 twist, 4140 steel, custom specifications, 42rc

Blank

Custom 1911 barrels.  Douglas, Krieger, Kart 6532-ED81-C4-FC-42-D8-A13-A-C9-D2-E9300292

Finished barrels

Custom 1911 barrels.  Douglas, Krieger, Kart 5-C0-B5-FED-4-EC3-406-A-8855-9-EFDE5-E9-BC51

Custom 1911 barrels.  Douglas, Krieger, Kart 36-BFC2-C9-1344-4-D47-9626-F3-FFB1-AA2-F9-A


A special run of Kart barrels for a few Smiths and myself.  50 thou short chambered and a smaller diameter chamber.  

Custom 1911 barrels.  Douglas, Krieger, Kart 51-E7-E646-C0-C8-41-EC-B760-68-AF10-D90-C98

A round of Gold Medal Match showing the snug chamber. 


Custom 1911 barrels.  Douglas, Krieger, Kart 22528-DE6-2-F5-D-4-DBE-B933-4-C2147604089


1/13 twist custom barrel.  I have a few a these coming unchambered along with a few being made from a 1/12 twist Krieger blank. 

Custom 1911 barrels.  Douglas, Krieger, Kart 8756-EBF5-A281-4186-A164-398420-E02189

mbacker_99

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Post by jglenn21 on 2020-04-19, 00:02

very nice. Wish Kart would leave all their barrels short chambered by .020 - .030...


Last edited by jglenn21 on 2020-04-19, 01:55; edited 2 times in total
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Post by STEVE SAMELAK on 2020-04-19, 00:48

jglenn21 wrote:very nice. Wish Kart would leave all their barrels short chamber by .20 - .30...
Are you sure about your decimal point placement?
STEVE SAMELAK
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Post by jglenn21 on 2020-04-19, 01:53

Thanks Steve .. fixed
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Post by JayhawkNavy02 on 2020-04-19, 02:41

MBacker,

Great work and ecstatic someone has picked up Jerry's torch.  Thank you for continuing to keep innovation alive and well.

Have you had a chance to try the faster twist barrels with 185/200 gr LSWCHP/LSWC out of a barrel fixture?

Cheers,
Jay
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Post by mbacker_99 on 2020-04-19, 03:50

JayhawkNavy02,



Testing is in process with Zero 185 JHP and Zero 200 lead swc.  I will report back on results.  I know Jerry had an outstanding 15 shot group with zero 185 jhp but I believe these barrels will shine with lead. The land/groove design will minimize bullet distortion and the bore finish is fantastic.

This picture is the muzzle end of the Douglas:

Custom 1911 barrels.  Douglas, Krieger, Kart 8924-B5-DA-E5-DB-4-F3-F-AF1-E-E776-C9-A12-BEC


The next batch of barrels will come unchambered.  This will allow the chambers to as concentric as possible and customized. I have incorporated many of Jerry’s ideas into custom built reamers.  Negative SAAMI spec, 1.5 degree leade angle, free bore are just a few aspects of the design.

mbacker_99

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Post by troystaten on 2020-04-19, 04:08

Neat project, my 1911 has a Kart barrel and the chamber is longer than spec but it shoots well.  The bore on mine is nicely finished.  Let us know how it turns out.

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Post by Aprilian on 2020-04-19, 15:40

Very nice.   It will be interesting to see results as people finish pistols with these barrels.
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Post by mbacker_99 on 2020-07-18, 02:28

1/12 Krieger blank

Custom 1911 barrels.  Douglas, Krieger, Kart IMG-1944

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Post by Steve B on 2020-07-18, 14:25

I've been following this on Addicts too, the results should be interesting...
How are you testing these loads?  Burton fitting each barrel to the Gold Cup?  Your freebore diameter and length, along with the leade angle should be standard for all accuracy built 1911s IMO.

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