Quality/Value Comparison of 1911 Conversions
+7
Jack H
Chris Miceli
DavidR
jmdavis
C.Perkins
james r chapman
gregg28
11 posters
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Quality/Value Comparison of 1911 Conversions
I have several 22 conversions. They all shoot well, are reliable and accurate, and they all feel good. I shoot them all well (Bullseye). My question is, which is better? Are there significant differences in quality? Does on have a part that tends to break more frequently? I am not looking for philosophical answers like "the one you like best, " or "you answered your own question." Is there a difference between them?
1) Marvel Precision
2) Old Marvel (pre Marvel Precision)
3) Marvel Pro (Advantage Arms)
4) Nelson
I think that my real question is "how good is the Marvel Pro? It is a great barrel (<0.5"@50 yds), but it is built on an AA Slide.
Any insight is appreciated.
Thanks,
Gregg
https://2img.net/h/i1277.photobucket.com/albums/y500/gregg26/Conversions_zpsbv3axjif.jpg
1) Marvel Precision
2) Old Marvel (pre Marvel Precision)
3) Marvel Pro (Advantage Arms)
4) Nelson
I think that my real question is "how good is the Marvel Pro? It is a great barrel (<0.5"@50 yds), but it is built on an AA Slide.
Any insight is appreciated.
Thanks,
Gregg
https://2img.net/h/i1277.photobucket.com/albums/y500/gregg26/Conversions_zpsbv3axjif.jpg
Last edited by gregg28 on 3/10/2016, 7:20 pm; edited 1 time in total
gregg28- Posts : 23
Join date : 2015-12-27
james r chapman- Admin
- Posts : 6372
Join date : 2012-01-31
Age : 75
Location : HELL, Michigan
Re: Quality/Value Comparison of 1911 Conversions
I only have one, it is all I have ever needed.
Marvel unit 1 on a SA lower using GSG magazines.
No lock back and have to slingshot the slide to load, no big deal if you understand the operation of your pistol.
It just runs and runs on CCI-SV, Center X and Eley.
Will just keep using it cause no reason to change.
YMMV
Clarence
Marvel unit 1 on a SA lower using GSG magazines.
No lock back and have to slingshot the slide to load, no big deal if you understand the operation of your pistol.
It just runs and runs on CCI-SV, Center X and Eley.
Will just keep using it cause no reason to change.
YMMV
Clarence
C.Perkins- Posts : 742
Join date : 2011-06-13
Age : 61
Location : Surrounded by pines in Wi.
Re: Quality/Value Comparison of 1911 Conversions
Shoot them till you wear them out.
jmdavis- Posts : 1409
Join date : 2012-03-23
Location : Virginia
Re: Quality/Value Comparison of 1911 Conversions
If just between what you listed, Nelson by far is better than anything the current marvel company is producing and the nelson is a updated version of all those others but IMO you left out the "best" one, Chambers Custom, one of his conversions was just used to break a long time NRA record. More expensive than the rest but the best most always is
http://chamberscustom.com/22-conversion-units/
http://chamberscustom.com/22-conversion-units/
DavidR- Admin
- Posts : 3032
Join date : 2011-06-10
Age : 70
Location : NRA:Expert, Georgia
Re: Quality/Value Comparison of 1911 Conversions
gregg28 wrote:I have several 22 conversions. They all shoot well, are reliable and accurate, and they all feel good. I shoot them all well (Bullseye). My question is, which is better? Are there significant differences in quality? Does on have a part that tends to break more frequently? I am not looking for philosophical answers like "the one you like best, " or "you answered your own question." Is there a difference between them?
1) Marvel Precision
2) Old Marvel (pre Marvel Precision)
3) Marvel Pro (Advantage Arms)
4) Nelson
I think that my real question is "how good is the Marvel Pro? It is a great barrel (<0.5"@50 yds), but it is built on an AA Slide.
Any insight is appreciated.
Thanks,
Gregg
https://2img.net/h/i1277.photobucket.com/albums/y500/gregg26/Conversions_zpsbv3axjif.jpg
those all yours gregg? If so you should take them apart and give us some side by side pictures =]
Chris Miceli- Posts : 2715
Join date : 2015-10-27
Location : Northern Virginia
Re: Quality/Value Comparison of 1911 Conversions
I hane gone through owning conversions by Marvel Precision, Advantage Arms, and Nelson. All fit and ran on different lowers.
The MP included an early non-lockback unit of the era where the extractor would eventually eat into the chamber. And also the steel lockback model. Both were very accurate with .6 or smaller MP test buttons. Although I could never duplicate that on the Ransom. Best average was 1" with Eley. Most everything else was 1.5 -2" getting what you paid for. Both gave me some jams. And I find I have to have a lockback (don't make this an issue here) and I did not care for the recoil feel of the steel slide.
The AA units included the early models that shot great but broke the slide stop insert twice. I have one AA now it has the newer rectangular side plate as a stop insert. It has a barrel only from Bob Marvel with a .4 test from Bob. Shoots great but I cannot duplicate the .4 test. Again about +/-1" is the best Ransom I can do. So far so good. I also had an AA from Bob Marvel called the Custom Pro. But I sold it. The AA with the BM barrel shoots great and I plan on keeping it.
The Nelson units are all great, accurate and have not jammed at all. One Nelson is the Bob Marvel Custom Pro II. It's also great. The BMCPII came with a good test group but I do not recall the number. Again my best Ransom groups are +/- 1" with Eley.
From my hand all the units shoot fine except the occasional jams with the Marvel Precision. Less jams with the AA and never with the Nelson.
The MP included an early non-lockback unit of the era where the extractor would eventually eat into the chamber. And also the steel lockback model. Both were very accurate with .6 or smaller MP test buttons. Although I could never duplicate that on the Ransom. Best average was 1" with Eley. Most everything else was 1.5 -2" getting what you paid for. Both gave me some jams. And I find I have to have a lockback (don't make this an issue here) and I did not care for the recoil feel of the steel slide.
The AA units included the early models that shot great but broke the slide stop insert twice. I have one AA now it has the newer rectangular side plate as a stop insert. It has a barrel only from Bob Marvel with a .4 test from Bob. Shoots great but I cannot duplicate the .4 test. Again about +/-1" is the best Ransom I can do. So far so good. I also had an AA from Bob Marvel called the Custom Pro. But I sold it. The AA with the BM barrel shoots great and I plan on keeping it.
The Nelson units are all great, accurate and have not jammed at all. One Nelson is the Bob Marvel Custom Pro II. It's also great. The BMCPII came with a good test group but I do not recall the number. Again my best Ransom groups are +/- 1" with Eley.
From my hand all the units shoot fine except the occasional jams with the Marvel Precision. Less jams with the AA and never with the Nelson.
Jack H- Posts : 2699
Join date : 2011-06-10
Age : 75
Location : Oregon
Re: Quality/Value Comparison of 1911 Conversions
I'm guessing they used a fixed rest of some sort that clamps around the front of the slide.
Chris Miceli- Posts : 2715
Join date : 2015-10-27
Location : Northern Virginia
Re: Quality/Value Comparison of 1911 Conversions
Ok here is the scoop on the Nelson 22LR. I have shoot everyone made, Kimber, Marvel, and Advantage Arms by Bob Marvel.
This Nelson is very good. Almost as good as the Chambers SSG but cheaper ($400 vs +$1000), and hands down better than Marvel Industries ($100 more). I like the weight with steal rings the Nelson is as heavy as a 45acp. 1St 50 rounds were flawless. The slide is not holding open on the last round but that is not an issue as far I am concerned as long as it is printing. , I think the last round opens up the group a little.
Now for my secret for making sure these things are as accurate as possible. 1911 mag catches are not created equal some are 100th high, and some are a 100th low. The height does not matter with large calibers but it does matter a lot with 22lrs. There are two fixes to this issue. 1) You can fit the mag to the upper/lower set up or 2) the better and more expensive option (cheaper in the long run) get mag catches that are higher (easier to find) and lower (dawson has them). Then change the catch if necessary when you change the upper. The gun may run fine with the wrong mag catch but the issue for competition is the tip of the bullet may catch the chamber on the way into battery and damage the bullet. Sometimes its very small and sometimes its larger. This Nelson was running a low one ( because I built this for a AA) and was printing in the 25 yard 10 ring off hand, with the right higher catch the x ring.I don't have a ransom rest but my guess it would have printed under 2 inches at fifty yards and now its printing under an inch.
This Nelson is very good. Almost as good as the Chambers SSG but cheaper ($400 vs +$1000), and hands down better than Marvel Industries ($100 more). I like the weight with steal rings the Nelson is as heavy as a 45acp. 1St 50 rounds were flawless. The slide is not holding open on the last round but that is not an issue as far I am concerned as long as it is printing. , I think the last round opens up the group a little.
Now for my secret for making sure these things are as accurate as possible. 1911 mag catches are not created equal some are 100th high, and some are a 100th low. The height does not matter with large calibers but it does matter a lot with 22lrs. There are two fixes to this issue. 1) You can fit the mag to the upper/lower set up or 2) the better and more expensive option (cheaper in the long run) get mag catches that are higher (easier to find) and lower (dawson has them). Then change the catch if necessary when you change the upper. The gun may run fine with the wrong mag catch but the issue for competition is the tip of the bullet may catch the chamber on the way into battery and damage the bullet. Sometimes its very small and sometimes its larger. This Nelson was running a low one ( because I built this for a AA) and was printing in the 25 yard 10 ring off hand, with the right higher catch the x ring.I don't have a ransom rest but my guess it would have printed under 2 inches at fifty yards and now its printing under an inch.
rich.tullo- Posts : 2006
Join date : 2015-03-27
Re: Quality/Value Comparison of 1911 Conversions
I have an early marvel, circa 1995. It started life as a non lock back unit, but the slide cracked and I had it fitted with the steel slide lock back. It has shot HM scores, but I'm starting to have some issues with it. If I oil the ammo (all ammo in the mag), it runs just fine. If I dont, I get slide over rim with bullet lodged on feed ramp failure. I'm using gsg mags but kimber plastic, marvel plastic, and Promag plastic all have the same issue to a greater or lesser extent... I gave up on metal mags long ago...
Any thoughts on how to resolve?
Any thoughts on how to resolve?
10sandxs- Posts : 972
Join date : 2016-01-29
Re: Quality/Value Comparison of 1911 Conversions
Assuming same frame since 1995 and no burrs on frame or slide, I'd look into the recoil spring weakening to the point it can't pull the slide and bullet forward. I would doubt ramp wear but it would be a place to look also.
Gunsnjeeps- Posts : 70
Join date : 2015-11-20
Re: Quality/Value Comparison of 1911 Conversions
Yes, same frame. Ramp and chamber were first things I looked at, both look good. I was thinking if anything the spring was too strong as the round doesn't seem to be getting high enough to be grabbed by the slide, or the slide isn't comming back far enough to grab the rim...
10sandxs- Posts : 972
Join date : 2016-01-29
Re: Quality/Value Comparison of 1911 Conversions
beautiful pistols!james r chapman wrote:
SW-52- Posts : 805
Join date : 2015-07-20
Age : 40
Re: Quality/Value Comparison of 1911 Conversions
beautiful pistol!C.Perkins wrote:I only have one, it is all I have ever needed.
Marvel unit 1 on a SA lower using GSG magazines.
No lock back and have to slingshot the slide to load, no big deal if you understand the operation of your pistol.
It just runs and runs on CCI-SV, Center X and Eley.
Will just keep using it cause no reason to change.
YMMV
Clarence
SW-52- Posts : 805
Join date : 2015-07-20
Age : 40
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