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4-5/8 SBH ejection mods

This is a discussion on 4-5/8 SBH ejection mods within the Ruger Single Action forums, part of the Pistol & Revolver Forum category; Hey a new guy here. Just bought my first single action a few days ago. Its a 4-5/8 stainless SBH in 44mag. I was wondering ...


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Old April 3rd, 2017, 03:44 AM   #1
 
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4-5/8 SBH ejection mods

Hey a new guy here. Just bought my first single action a few days ago. Its a 4-5/8 stainless SBH in 44mag. I was wondering if a vaquero birdshead style base pin would work on my gun and if it did, could it aid in the ejection stroke length? Thanks guys.


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Old April 3rd, 2017, 05:20 AM   #2
 
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yes it will fit if of similar vintage on the gun to be switched to.
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Old April 3rd, 2017, 07:06 AM   #3
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As above, yes. I've done it on a couple of Super Blackhawks. You can also trim a few coils off the ejector rod spring.
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Old April 3rd, 2017, 10:18 AM   #4
 
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Thank you for the info ill throw some pictures up when i get a chance.


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Old April 3rd, 2017, 10:55 AM   #5
 
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Quote:
Originally Posted by Leatherlunger View Post
Hey a new guy here. Just bought my first single action a few days ago. Its a 4-5/8 stainless SBH in 44mag. I was wondering if a vaquero birdshead style base pin would work on my gun and if it did, could it aid in the ejection stroke length? Thanks guys.


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As long as you truly mean a Vaquero (the original with large frame), or the 44 Mag large frame New Vaquero.

All the other caliber New Vaq pins will be too short because they are built on the mid-size frame.
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Old April 3rd, 2017, 11:10 AM   #6
 
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Yeah that was my concern too. For 12$ on midway, im going to roll the dice and buy it. Once i receive the base pin ill use my calipers to compare length, diameters detent cutout location to verify. Ill reply my results for fitment and whether or not the "extra" ejection length is worth the 12$ or not.


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Old April 3rd, 2017, 11:28 AM   #7
 
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If you send the Midway link, I'll determine if it'll fit you large frame.

If this is the pin, it could very well be the right one. The shorter mid frame pin I have is a different Ruger part #:
https://www.midwayusa.com/product/16...tainless-steel

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Old April 3rd, 2017, 11:47 AM   #8
 
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https://www.midwayusa.com/product/16...tainless-steel


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Old April 3rd, 2017, 11:51 AM   #9
 
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Ive been told that the 44mag birdshead is built on the larger pre 2005 style vaquero. Is the openening in the frame for the cylinder the same between mid and fullsize with a caliper? If the length is yhe same then id just need to worry about the diameter possibly.


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Old April 3rd, 2017, 01:43 PM   #10
 
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Thanks Hondo i didnt realize you bput the link at the end of your reply. Im ordering one ill throw results up when i get a chance. Thanks for the help everyone


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Old April 19th, 2017, 06:39 PM   #11
 
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Finally picked up my 4-5/8 SBH in 44m. Dropped in a wilson combat spring kit and some new grips. I added the birdshead basepin (all caliper meauserments wereequal on both) and shortened up my ejector spring a bit. No short stroked cases woohoo!!


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Old April 19th, 2017, 08:17 PM   #12
 
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Leatherlunger,

That's great news. I just love a good ending!

That's a real nice .44!

And very satisfying to improve one's own gun with just a little critical thinking!

On 5 1/2" and longer barrels one can use the 5" ejector rod and housing from the 10" barrel model. That will push the cases out all the way into next week.

But you've achieved almost the same result with a lot less work or expense. And really the only option on a 4 3/4" barrel without using an ejector housing with a curved slot so the rod head goes around the cyl pin head.


Last edited by Hondo44; April 19th, 2017 at 08:28 PM.
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Old April 19th, 2017, 08:31 PM   #13
 
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I found that my biggest limiting factor was the full compressed spring. A flatwire spring may have a smaller compressed profile. I really like the look of the birdy basepin. Its easier to pop out with my finger nail. I had to make a split flat screwdriver to put an extra power basepin latch spring in. Im pretty ghetto like that, i mjust pumped i didnt scratch, strip or shear off anything and it function tests perfect!! Thanks again for helping guide me along everybody.


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Old April 19th, 2017, 08:35 PM   #14
 
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You might think about one of these for your next ergonomic improvement:

The Colt rod is a drop in:



Or you can grind and polish a 'cam' curve in the end of the Colt head as shown below. The curve must 'nest' or align with the curve of the housing attachment screw when the head is up tight against the barrel in a Ruger straight slot housing. The curved surface of the end of the rod contacts the screw under tension of the return spring which will "cam" or turn the rod and head tight up against the barrel at the end of the stroke to “nest” on the screw.



The cylinder pin in the background has had another cannelure added near the back end which retains the pin when making cylinder changes in the field so you don’t have to pull it all the way out or worry about it dropping in the dirt.
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Old April 19th, 2017, 08:38 PM   #15
 
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Great idea thanks for the info


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