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-   -   9mm vs 45 cal (http://www.firearmstalk.com/forums/f57/9mm-vs-45-cal-23619/)

jpratt825 02-20-2010 12:25 PM

9mm vs 45 cal
 
I am considering a 9mm 1911, thinking that the smaller caliber would offer a manual slide operation and disassembly more easily performed than a 45 cal 1911.

Just discussed the idea with a gun dealer who stated that because the barrel pressure of a 9mm is 35k psi versus the 23k psi of the 45 cal call for a stiffer recoil spring, therefore, the 9mm would be the stiffer gun in manual slide operation as well as disassembly.

Any one have any real experience in this area?

General_lee 02-20-2010 02:04 PM

IMO, if you want a 1911, the ONLY way to go is .45, Thats what they were designed to shoot.
I own 2 .45's and have handled a few 9mm's, I can't really tell a difference in recoil spring strength.
It does, however vary with the manufacturer. For instance, the recoil spring on a Para Ordnance .45 is stiffer than the spring in my springfield .45's.

Jpyle 02-20-2010 02:25 PM

Quote:

Originally Posted by jpratt825 (Post 233251)
I am considering a 9mm 1911, thinking that the smaller caliber would offer a manual slide operation and disassembly more easily performed than a 45 cal 1911.

Just discussed the idea with a gun dealer who stated that because the barrel pressure of a 9mm is 35k psi versus the 23k psi of the 45 cal call for a stiffer recoil spring, therefore, the 9mm would be the stiffer gun in manual slide operation as well as disassembly.

Any one have any real experience in this area?

Is this a serious question? Are you really asking whether you should base your choice of caliber on the stiffness of a spring or how difficult it is to rack the slide or disassemble? If those are real issues get a revolver.

jpattersonnh 02-21-2010 02:19 AM

I just shoot .45acp and 10mm in mine.

GreyEclipse 02-21-2010 08:52 AM

Get a revolver if you want simplicity.

AllenM 02-21-2010 11:50 AM

I have 2 9mm 1911's the springs are lighter than 45. I run a 15 lb in my 5" 9 vs either stock 16lb or my prefered 18.5 in the 45.s
The Kimber AGEIS Pro (commander size) 9mm that I have I am not sure what spring weight is in it as I have not shot it enough to replace yet.

If you seriously want a 9mm 1911. I strongly endorse the Kimber AEGIS series.
Mine has run flawlessly

canebrake 02-21-2010 12:18 PM

If you want a 9mm John Browning pistol get a BHP.

It was designed as a 9mm, the 1911 was intended to be a 45 ACP.

Nuff said!

Argentine FM 90 Hi-Power, 9mm. Excellent condition

spittinfire 02-21-2010 12:55 PM

I'm with cane, if you want a 9mm, get a high power. The 1911 needs to be a 45.

AllenM 02-21-2010 01:42 PM

I don't necessarily feel that way.
the Hi Power's or most other guns in general don't feel and shoot for me as well as a good 1911.
I have 2 9mm's, 1 10mm with one more on order and a .460 rowland in the works along with and 5 in 45.
But my 9 mm fusion as just pure shooting joy.
It is not a carry gun like my Kimber but I use it for both steel plate competition and cheap lead bullet plinking.
It is one of my most favorite 1911's If I had followed advice not to own a 1911 in 9mm I would have missed out :)

jpratt825 02-21-2010 02:24 PM

Thanks, my problem is age and strength of my hands. I have difficulty operating the slide on the 1911's but prefer the feel of a good steel frame with the balance and weight of the 1911 over the new polymers.
If the 9mm is stiffer bescause of the difference in recoil spring requirements, then I will stick to the 45 and install a good progressive spring and two piece guide rod.


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