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OM Blackhawk 45 frame size?

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Old April 10th, 2017, 01:40 PM   #1
 
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OM Blackhawk 45 frame size?

Hello all. This is my first post. I've recently become interested in OM Blackhawks and have a question. Well, actually, I've got a lot of questions but this is my first one.

Were the Old Model .45 Colt/.45ACP Convertible Blackhawks made in the early 70s (71 and 72?) on the same frame as the .357 medium frame?
Or were they made on the larger Super Blackhawk frame as the .44 magnum?

Thanks! Zack



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Old April 10th, 2017, 02:08 PM   #2
 
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Quote:
Originally Posted by zack79 View Post
Hello all. This is my first post. I've recently become interested in OM Blackhawks and have a question. Well, actually, I've got a lot of questions but this is my first one.

Were the Old Model .45 Colt/.45ACP Convertible Blackhawks made in the early 70s (71 and 72?) on the same frame as the .357 medium frame?
Or were they made on the larger Super Blackhawk frame as the .44 magnum?

Thanks! Zack

Welcome to the camp fire.

LARGE frame.

Just like the .44 magnum, .41 magnum and .30 carbine

Back then ONLY the .357 magnum was made on the "medium" frame.

I know nothing of the NEW MODELS...

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Old April 10th, 2017, 04:33 PM   #3
 
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We're on the same page, Hoss.

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Old April 10th, 2017, 04:41 PM   #4
 
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We're on the same page, Hoss.

Yep!

I'm still learnin' from you and a few others...

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Old April 10th, 2017, 06:00 PM   #5
 
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good info for many newbies.
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Old April 11th, 2017, 07:17 AM   #6
 
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Quote:
Originally Posted by zack79 View Post
Hello all. This is my first post. I've recently become interested in OM Blackhawks and have a question. Well, actually, I've got a lot of questions but this is my first one.

Were the Old Model .45 Colt/.45ACP Convertible Blackhawks made in the early 70s (71 and 72?) on the same frame as the .357 medium frame?
Or were they made on the larger Super Blackhawk frame as the .44 magnum?

Thanks! Zack
I wonder if the large frame isn't better associated with 45 Colt, since that is the bigger case and older cartridge.
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Old April 11th, 2017, 11:03 AM   #7
 
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For whatever its worth: The parts list that came with my Three Screw Blackhawk listed the frame sizes as follows:

R = Single Six frame

MR= .357 Magnum frame

MR-44= .44 Magnum frame

This from ca 1958 parts list.

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Old April 11th, 2017, 11:04 AM   #8
 
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I wonder if the large frame isn't better associated with 45 Colt, since that is the bigger case and older cartridge.
Ruger offered the .44 Magnum prior to introduction of the .45 Colt, the frame being designated "MR-44."


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Old April 11th, 2017, 01:58 PM   #9
 
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Ruger offered the .44 Magnum prior to introduction of the .45 Colt, the frame being designated "MR-44."


Bob Wright
Yes, indeed. The .44 Flattop came out in 1956 whereas the .45 Colt chambering wasn't introduced until 1971.

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Old April 12th, 2017, 03:03 AM   #10
 
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New Model frame sizes by caliber:

44 Spl - only made on medium frames.

357 and 45 - are made on both med & large frame sizes.

30 Carbine, 32 H&R Mag/32-20, 38-40/.40 S&W, 38-40/10MM, 44-40, 41 Mag and 44 mag - are or were only made on large frames.

.32 fed Mag - only made on the single seven frame and was made on the large frame.

Last edited by Hondo44; April 12th, 2017 at 03:23 AM.
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