is a flat recoil spring possible in a 4" RI - 1911Forum
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  #1  
Old 05-29-2017, 08:06 AM
canrunin canrunin is offline
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is a flat recoil spring possible in a 4" RI

Is anyone running a flat recoil spring in a 4" rock island? if so what set up did you use to make it work? Wilson combat has everything but the reverse guide rod plug.i may try to make my own plug unless someone knows of a reverse plug with 1/4" hole for the Rock Island. thanks
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  #2  
Old 05-29-2017, 09:35 AM
Martensite Martensite is offline
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Maybe you could make this one work with some filing on the plug:

http://www.egwguns.com/1911-parts/of...ark-plug-blue/

EGW does make a 1/4" rod recoil assembly for Rocks but it is for the compact models and is too short for a 4". Maybe you would be able to use the plug out of the kit? Maybe if you call EGW, they would be willing to sell you just the plug?

http://www.egwguns.com/1911-parts/eg...guide-rod-kit/
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  #3  
Old 05-29-2017, 11:52 AM
canrunin canrunin is offline
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yes im going to call them tomorrow and see what they say. I was looking at the kimber 4" kit. With possibly modifying the plug.
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  #4  
Old 05-29-2017, 01:54 PM
flyingpig flyingpig is offline
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I didn't know rock island made a 4" ?
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  #5  
Old 05-29-2017, 02:03 PM
Beef15 Beef15 is offline
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What's the gun got from the factory?

On SAs you can simply use the factory plug with the wilson guiderod and spring.

Sent from my SM-G360V using Tapatalk
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  #6  
Old 05-29-2017, 02:36 PM
canrunin canrunin is offline
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Quote:
Originally Posted by flyingpig View Post
I didn't know rock island made a 4" ?
Yes sir, I have a kimber pro carry ll and my rock island is exactly the same size in every way. It was a GI model and I installed a s&a beaver tail grip safety,Wilson hammer and thumb safety. Then I was to cheap to pay to have the slide machined for sights to I hand filed front and rear of slide to fit a set of kimber sights I had laying around. If I can find someone in Canton Ohio that Cerakotes that will be my next step.
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  #7  
Old 05-29-2017, 02:46 PM
canrunin canrunin is offline
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Quote:
Originally Posted by Beef15 View Post
What's the gun got from the factory?

On SAs you can simply use the factory plug with the wilson guiderod and spring.

Sent from my SM-G360V using Tapatalk
The RI has a regular diameter full length guide rod with a reverse plug. The flat wire spring needs a 1/4" guide rode and plug. Now the factory plug will work but the hole in the plug will be larger than 1/4". I did assemble with the factory plug and cycled the slide and it did work but not sure if I will run into any problems shooting it.
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  #8  
Old 05-29-2017, 04:55 PM
Martensite Martensite is offline
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Yeah, don't run it with the factory plug and a 1/4" guide rod. Running a flat wire spring in it with the standard plug is like not running a full length guide rod at all... Too much slop...

The RIA 4" pistol is also known as the "Midsize". I have the midsize GI. It is one of the few "bull barrel" commander size pistols out there. I like mine a lot...but I don't care for the hammer bite. I'm probably going to sell it and trade up to the Rock Island Midsize "Standard" Model with the beavertail grip safety.
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  #9  
Old 05-30-2017, 07:56 AM
flyingpig flyingpig is offline
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I don't mean to hijack this thread but I am still unable to find a rock Island with a 4" barrel. Current production shows only CS- 3.625" barrel, MS-4.25" barrel, and FS-5" barrel. I was unable to locate even a used gun with a 4" barrel. Am I missing something? Was there a time when armscor made a 4" barrel?
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  #10  
Old 05-30-2017, 09:05 AM
Martensite Martensite is offline
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Quote:
Originally Posted by flyingpig View Post
I don't mean to hijack this thread but I am still unable to find a rock Island with a 4" barrel. Current production shows only CS- 3.625" barrel, MS-4.25" barrel, and FS-5" barrel. I was unable to locate even a used gun with a 4" barrel. Am I missing something? Was there a time when armscor made a 4" barrel?
You are correct, we are calling it a 4" but it is actually 4.25". We're rounding down.
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  #11  
Old 05-30-2017, 09:43 AM
flyingpig flyingpig is offline
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Quote:
Originally Posted by Martensite View Post
You are correct, we are calling it a 4" but it is actually 4.25". We're rounding down.
Ah OK. The OP stated that it was exactly like his Kimber (which has a true 4" barrel). I would think this would make a big difference in searching for the proper spring.
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  #12  
Old 05-30-2017, 09:52 AM
canrunin canrunin is offline
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They may not make it anymore but they did at one time. This is what I have before fire my modifications .http://www.thesixgunjournal.net/the-...mpact-1911-45/

It's a midsize and a 4" barrel. Honest it's identical to the kimber 4" I swear it is!

Last edited by canrunin; 05-30-2017 at 09:57 AM.
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  #13  
Old 05-30-2017, 10:05 AM
canrunin canrunin is offline
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Called EGW they got what I need.
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  #14  
Old 05-30-2017, 03:40 PM
Martensite Martensite is offline
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Quote:
Originally Posted by canrunin View Post
They may not make it anymore but they did at one time. It's a midsize and a 4" barrel. Honest it's identical to the kimber 4" I swear it is!
You are correct Sir! Below is a pic of my 1st edition Rock Island "Midsize" which has the 4" barrel just like yours.



Quote:
Originally Posted by flyingpig View Post
Ah OK. The OP stated that it was exactly like his Kimber (which has a true 4" barrel). I would think this would make a big difference in searching for the proper spring.
You are both right. Rock doesn't make them anymore. All "Midsize" RIA's being sold are 4.25" now. But...most people don't say "I have a four point two-five inch barrel", they say "I've got a four inch barrel". So even though they are 4.25", most people still refer to them as 4". Have I completely confused you yet?
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