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My GP-100 44 will accept Magnums

This is a discussion on My GP-100 44 will accept Magnums within the Ruger Double Action forums, part of the Pistol & Revolver Forum category; Originally Posted by jeepnut711 "To argue with a person who has renounced the use of reason is like administering medicine to the dead." Thomas Paine ...


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Old January 7th, 2017, 02:27 PM   #31
 
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Originally Posted by jeepnut711 View Post
"To argue with a person who has renounced the use of reason is like administering medicine to the dead."

Thomas Paine

That's good !



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Old January 7th, 2017, 02:49 PM   #32
 
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After reading the thread I tried a 44 mag reload in mine and it wouldn't fit. Don't have any factory mag rounds to try.
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Old January 7th, 2017, 03:06 PM   #33
 
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Originally Posted by Nipperdog View Post
I will email Ruger Tech Support Monday, and attach the photos. Unfortunately I do not have any Factory Rounds on hand to try. I do not trim my revolver brass so they are full length Magnum Cases. I use a very light Roll Crimp on the Lead Bullets, but that shouldn't allow the Magnum Rounds to drop completely into the Cylinder. Looking at the GP's frame compared to my S&W 69's "L Frame", which IS Magnum Rated, I have no doubt that the GP-100 could handle one accidental magnum firing without a Catastrophic failure especially since I never load them to the Maximum Charge.
I know you know exactly what you are talking about you sound very knowledgeable to me. I did have to kinda laugh at some of the comments after your first posted message. But what else to expect. I revolver like the GP100 vs a 686 I guess the 686 cylinder is a tad thicker hence forth the coming of the S&W Model 69 .44 Magnum. If I had the choice between the two that would be a hard choice both revolvers are very nice but I would have to lend my preference to the GP100-.44 Special its setup similar to my GP100 WCII gotta love a 3 inch barrel!!!~ But again I hope all works out for you and has mentioned I have read some Guns & Ammo & Shooting times I remember some warm Elmer Keith .44 Special hand loads that would make your GP100-.44 Special purr quite nicely but you would be perfectly safe in your revolver. I just read your last post on the LGS & factory .44 Magnum ammo glad to hear nothing is wrong with your GP100-.44 Spec.

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Old January 7th, 2017, 03:12 PM   #34
 
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Originally Posted by CraigC View Post
Am I the only one surprised the cylinder is long enough for a Keith bullet seated in .44Mag brass?
The Keith bullets were in the 44 Special Brass. The 44 mags were 240 grain medium reloads.
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Old January 7th, 2017, 03:47 PM   #35
 
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I tried mine just to see, and mine will NOT accept the magnums.
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Old January 7th, 2017, 11:21 PM   #36
 
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May be an occasional issue with how the crimp is configured.
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Old January 8th, 2017, 05:32 AM   #37
 
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Originally Posted by DPris View Post
May be an occasional issue with how the crimp is configured.
Denis
Very possible: I'm going to Load some un crimped mag rounds and see if they will seat in the Cylinder. If they don't, than my Ammo is at Fault, not the Gun.

(Edit).. Ok, I tried an un crimped reload and it would not fully seat in the cylinder. It would seem like the crimp is the culprit. Because some .44mag rounds require a heavy crimp to keep bullets from moving under recoil, I would advise using caution not to load a magnum into the GP44, but like others I think it would take it.




Last edited by Nipperdog; January 8th, 2017 at 09:38 AM.
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Old January 8th, 2017, 05:41 AM   #38
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Why can't you just see if an empty 44 Mag case will chamber fully?
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Old January 8th, 2017, 07:06 AM   #39
 
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Am I the only one surprised the cylinder is long enough for a Keith bullet seated in .44Mag brass?
No... And now curious as to how come Ruger didn't try give the S&W 69 a run for its money. Maybe they figured the little mag market market is satisfied and the special would appeal to a different crowd.
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Old January 8th, 2017, 07:13 AM   #40
 
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Maybe Ruger's experience with the Blackhawk in 44 Special factored into their decision. That plus the many requests they got from us 44 Special lovers.
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Old January 8th, 2017, 07:45 AM   #41
 
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Just picked up mine yesterday. Saw this thread and decided to check mine out.

None of my reloads will fit and neither will empty mag brass.

However, the only factory mag ammo I have is some BB +P 305 and 340 gr loads. The 305's drop right in, no problem. 340's, as expected, are too long for the cylinder but also drop right in.

Obviously, the heavy crimp necessitated by the hot loads is what allows them to chamber. I've no doubt the GP could handle even those loads and I've no doubt I would notice the instant I touched one off!

Won't be a problem for me because I use reloads almost every exclusively and rarely load to max, anyways. But, yeah, it behooves one to pay attention!
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Old January 8th, 2017, 08:00 AM   #42
 
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Quote:
Originally Posted by andyrping View Post
No... And now curious as to how come Ruger didn't try give the S&W 69 a run for its money. Maybe they figured the little mag market market is satisfied and the special would appeal to a different crowd.
I think Ruger likes a greater safety margin than S&W is comfortable with. The N-frames are known to shoot loose in a few thousand rounds and I doubt the L-frame does as well.
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Old January 8th, 2017, 08:31 AM   #43
 
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Some thoughts: The case max overall length is 1.61" for .44 mag and 1.50" for the .44 Special. The GP cylinder is 1.61" (some claim 1.609") long( a 69 cylinder as reference is 1.67"). It would seem that with .44 mag would need to be selective in bullet profile and weight loaded to not tie up the gun. As to firing .44 mag in the existing gun it could probably be done for a while but in looking at pics of the 69 vs. the GP .44 it appears the forcing cone on the 69 is thicker. As to the durability of the 69 some on the S&W forum claim they have fired 2 or so thousand rounds with no problems so far. Back in one of the discussion strings on the .44 GP I seem to recall pics of the forcing cones of the 69 and GP. Here is a pic from the 'net of the GP 44 forcing cone area by Tokarev:



and a 69:



That leads to an interesting thought: what if someone made up a custom barrel with larger shank and thicker forcing cone??

Last edited by Rover; January 8th, 2017 at 08:59 AM.
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Old January 8th, 2017, 10:48 AM   #44
 
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This is all over Rugerforum.com, with similar commentary. Apparently it's not a limited occurrence.

Scary.
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Old January 8th, 2017, 11:12 AM   #45
 
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Checking seating depth with an empty case is not a valid test because it doesn't take the crimp into consideration.
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