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Old October 29, 2013, 08:58 AM   #1
Join Date: October 13, 2012
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1911 Platform in 9, 38S, 40 & 45, accuracy ?s

I know accuracy lies mostly in the hand controlling the gun. I am not a 1911 owner nor an expert but I have noticed that the 1911 is available chambered in several different calibers. Have you noticed an edge in accuracy of any one certain [centerfire] caliber over another in the 1911 platform?
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Old October 29, 2013, 09:04 AM   #2
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some of the nicest and more accurate pistols I've handled were 1911 patterns in 9mm and 38super.

Good sight radius, nice trigger and low recoil make nice groups relatively easy.
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Old October 29, 2013, 09:06 AM   #3
papa shooter
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I own a Colt National Match in .38 spec. It shoots wadcutters better than anything else I own!

papa shooter
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Old October 29, 2013, 09:24 AM   #4
Hunter Customs
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Remove the shooter from the equation and the accuracy in a 1911 lies in the quality of the barrel and the tolerances of the fitting of the parts in the gun, not really the caliber.

I've built 1911's in 9mm,38super,9x23,357Sig,40S&W,10mm,400Corbon,and 45ACP, fed good ammo they all were very accurate and I've never seen one caliber more accurate then the other.

The most accurate barrels I've used in a 1911 were Schuemann with gain twist rifling.

Best Regards
Bob Hunter
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Old November 1, 2013, 04:04 PM   #5
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have or had

1911s in 9x19, 40 S&W, 400 CorBon, and 45 ACP.

Mr. Hunter states the truth
"all my ammo is mostly retired factory ammo"
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Old November 1, 2013, 05:45 PM   #6
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They're all accurate if the gun is well made.....I have 1911's made in 9mm,
.40S&W and .45 acp .....and have had them in .38 super ...

There is a huge quality 1911's ....and often, in guns, you get what you pay for ....but some of the guns under $1,000 are pretty accurate...but guns in the $ 3,000 price range - that come out of shops like Wilson Combat - are very hard to beat ( Wilson sells many of his guns with a 1" guarantee at 25 yds ....and they will perform that well !! ).
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Old November 1, 2013, 06:55 PM   #7
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With due deference to the posters above who posses a wealth of experience with 1911's, I'll offer this. I've owned 1911's in 9mm (3); .38 Super (1), .40 S&W (1), and .45 ACP (9). All were Colts with the exception of 2 Rugers, one Remington Rand, and a Smith & Wesson. Of them all, the .45's were all more accurate out of the box than any other caliber; and that includes that the WWll Remington Rand. With good gun smithing, as Hunter Customs points out, and possibly, a better barrel/bushing than what is usually attached to the as issued piece, the other calibers can be made as for me, tho I do like to experiment with the sub-calibers as I prefer to call them, the venerable .45 ACP is the best bet for an accurate, hard hitting defensive gun.

The pic below, posted before, is of a Colt Combat Commander of Series 70 vintage, with add'l barrel/slides in .22 lr, .38 Super, and 9mm. With some tweaking, the 9mm and .38 Super units got close to the .45's grouping....and the .22 lr was its equal. In that pipsqueak caliber, both my Ciener and Marvel units are tack drivers...

HTH's Rod

Cherish our flag, honor it, defend what it stands for or get the hell out. Our Freedoms are not free, they've been paid for many times over by heros in uniform. Far better men than I, died that we could be FREE.

USAF FAC, 5th Spl Forces, An Loc, lll Corps, RVN, 69-70, Vietnam Vet '69-'73
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Old November 1, 2013, 09:22 PM   #8
Sharpsdressed Man
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I too have a multi -caliber 1911, a progressive project that had the attention of Scott Mulkerin (SDM Fabricating) when he was able to take on regular 'smithing, and all of the units were able to deliver 1 1/2-2" groups at 25 yards when I had the right load and was doing my part. I once shot a groundhog at 89 paces with open sights, and at 159 yards (lasered) with a Leupold 2x scope mounted. Both were with the 9mm Kart barrel installed in the .38 Super slide. Bullet was a 124 Golden Saber in a handload. As stated, each unit (.45, 10mm, and .38s/9mm) did about the same, thanks to EGW bushings, and Scott's handiwork at accurizing. [IMG][/IMG]
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Old November 2, 2013, 03:17 PM   #9
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While I have had 1911s with different levels of accuracy, they seem to be unrelated to caliber (own .45, 9mm, 10mm).
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Old November 2, 2013, 03:22 PM   #10
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I have 1911s in 9, 38, 45, and 10mm...

Can't really tell the difference between chamberings. It's more of a manufacturer thing when it comes to accuracy.
OK, so not all plastic guns are bad
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