Old Model Single Six Cylinder Questions - Ruger Forum

Ruger Forum

Old Model Single Six Cylinder Questions

This is a discussion on Old Model Single Six Cylinder Questions within the Ruger Single Action forums, part of the Pistol & Revolver Forum category; I have some questions regarding Single Sixes. I am wondering what year Ruger began to number the Long Rifle Cylinders? I know that the Mag ...


Go Back   Ruger Forum > Pistol & Revolver Forum > Ruger Single Action

Reply
 
LinkBack Thread Tools Display Modes

Old May 22nd, 2017, 08:10 PM   #1
 
Join Date: May 2017
Location: Washington
Posts: 27
RSSSBHSSS is on a distinguished road
Old Model Single Six Cylinder Questions

I have some questions regarding Single Sixes. I am wondering what year Ruger began to number the Long Rifle Cylinders? I know that the Mag Cylinders are typically numbered, and that the Mag Cylinders are more commonly lost. I'd like to try and get the correct "type" of cylinder, matching the age of the revolver, and wonder if there is a time of unnumbered LR Cylinders, that would be a better match than the Newer Numbered Cylinders. I do realize that the Old Model LR Cylinders have a Firing Pin Groove between chambers. Thanks for your help.



RSSSBHSSS is offline  
Advertisements
Old May 22nd, 2017, 08:53 PM   #2
Retired Moderator & Gunsmith
 
Iowegan's Avatar
 
Join Date: Aug 2006
Location: CB, IA
Posts: 15,794
Iowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud of

Awards Showcase

RSSSBHSSS, There's no logical answer for your question. When the factory fits a cylinder to a frame, they often disturb the finish so the cylinder is sent to a different person on the assembly line to either reblue it or in the case of stainless cylinders, buff out the scratches. The cylinder is then sent back to the fitter and married up with the proper serial numbered frame. When the cylinder requires refinishing, the last 4 digits of the S/N are engraved on the front face of the cylinder using an electric pencil. With Convertibles, sometimes the LR cylinder gets engraved, sometimes the magnum cylinder gets engraved, sometimes both, sometime neither. I have quite a few convertibles and believe me, there is no apparent pattern. Further, I have two Single-Sixe cylinders engraved with "D" in front of the 4 digit S/N. This is a duplicate cylinder that replaced the original .... for what ever reason.

There's no guarantee a new or different cylinder will fit your gun, There are 4 areas of concern .... the length from the end of the ratchet column to the end of the gas ring. The length of the ratchet column, the length of the gas ring, and the length of the cylinder's body. These measurements affect the B/C gap, endshake, and headspace and are the very reason why Ruger won't sell you a cylinder without factory fitting it.

If these measurements are not compatible, you may end up with excessive endshake, excessive B/C gap, excessive headspace .... or just the opposite .... A B/C gap that is too tight ...plus headspace and endshake can also be too tight. The most desirable cylinder will be a tad too long in all respects .... because it can be machined down to fit. However if just one of the 4 measurements is too short, chances are the cylinder won't work properly. Because of the way Ruger makes their cylinders, timing and cylinder-to-bore alignment is rarely an issue.
Iowegan is offline  
Old February 29th, 2020, 08:19 AM   #3
 
Trex454's Avatar
 
Join Date: Feb 2020
Location: West Slope Sierra Nevada, CA
Posts: 11
Trex454 is on a distinguished road
Hi...this is an older thread (2017)...but maybe this will work...i bought a 1971 SC6 with both cylinders,
paper, box etc...no reason to believe these are not original...
I keep seeing posts referring to s/n on the cylinder (lectro pen stuff) and examples...neither of
my cylinders have any such markings ... ?? also, i just sold a NM, stainless SS conv...those cylinders
had no such markings either

any rhyme or reason here ?
thanks
-- Trex
Trex454 is offline  
 
Old February 29th, 2020, 09:54 AM   #4
Retired Moderator & Gunsmith
 
Iowegan's Avatar
 
Join Date: Aug 2006
Location: CB, IA
Posts: 15,794
Iowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud of

Awards Showcase

Trex454, "any rhyme or reason here ?" As I noted above, I have several Single-Sixes …. most have both cylinders etched with the last 4 of the S/N. A couple have only the Mag cylinder marked, one has just the LR cylinder marked and two have no markings at all. I'm sure there is reason but only the people working at Ruger know the answer.
Iowegan is offline  
Old February 29th, 2020, 01:18 PM   #5
Ruger Aficionado
 
Frontiersman's Avatar
 
Join Date: Nov 2015
Location: The Old Frontier
Posts: 1,088
Frontiersman is on a distinguished road
Out of interest, I checked 7 different single sixes. None of my .22 lr cylinders have been etched. Most of the magnum cylinders have, though some of them would require a lot of imagination to figure out what the numbers are that were etched.
Frontiersman is offline  
Old February 29th, 2020, 09:30 PM   #6
 
Trex454's Avatar
 
Join Date: Feb 2020
Location: West Slope Sierra Nevada, CA
Posts: 11
Trex454 is on a distinguished road
Ok...thanks for the feedback [lowegan, frontiersman]...i tried the SC6 out today; both chamberings were satisfactory @ 25yds;
using a Bullseye, timed fire target center, i was able to keep it all in the ten ring...my own bobbles not withstanding...but that takes a lot of work with these 75 year eyes...
Trex454 is offline  
Old March 1st, 2020, 05:34 AM   #7
Ruger Aficionado
 
Frontiersman's Avatar
 
Join Date: Nov 2015
Location: The Old Frontier
Posts: 1,088
Frontiersman is on a distinguished road
I can see that (or maybe I can't). My groups are bigger than they used to be, but I still prefer the simple handiness of open sights. The pupils get less flexible over time and the quality of light makes a bigger difference than on younger eyes.

Most of them shoot more accurately than I can. The bore fits .22 WMR a little better. I think whether you shoot with WMR better or not is more effected by your tolerance for the additional noise and recoil than the cartridge itself.

Mine all shoot WMR a little better with heavier slower ammo than the light fast plastic tip stuff. But it makes little difference within practical distances that I normally shoot. <25 yards.

.22lr, on the other hand, I get a lot more group size variation from ammo to ammo. You can get a rough fit idea by checking the nose of your ammo in the end of an empty revolver. I take my cylinder out to avoid any question of safety. You may be surprised that some brands will slide right in with minimal effort, while others wouldn't go in without shearing lead. The tighter fitting ones are generally more accurate.

Don't push it in too far, or you could leave a bullet stuck in the bore. It's a pain to get out and could damage you or your revolver if you fired it with a bore obstruction.

The heavy plated ammo such as CCI mini mags usually always performs well, but is not the most economical. I have good luck with Rem golden bullets. The brass wash seems to be a little heavier and they fit tightly. The cheaper pointed copper wash stuff like federal bulk pack doesn't fit as well or as consistently and my groups stray. All the plain lead seems to spit more from the BC gap. The older and more worn the revolver, the worse this is.

It's fun just buying a variety of .22 and seeing which shoots cleaner, louder, more accurately, etc. I've smiled away many hours over the years with such experiments. The .22 is so much fun to play with.
Frontiersman is offline  
Old March 1st, 2020, 08:48 AM   #8
 
Trex454's Avatar
 
Join Date: Feb 2020
Location: West Slope Sierra Nevada, CA
Posts: 11
Trex454 is on a distinguished road
Ha!...i agree completely; whiling away the hours }:~ I have 'many' 22s, rifle and handgun.
I shot Bullseye pistol for many years; in fact, just quit that a couple years ago. Most of that was done with dot sights; that made it doable when starting up @55...
However, it's not so much the eye/sight issue (for me) it's the increase in wobble/drift that has increased with less trigger time...anyway

I'm considering a sight mod to the SC6...ghost ring and a bead...have to find a gunsmith (probably);
won't make permanent mod to the 3-screw...this is a keeper until i can't shoot no more.
I want to make the same mod to a 1976 NM .41 that i have started loading (down) for... }:~
Thanks for the input guys...I won't clutter this particular thread more with my ramblings.
Trex454 is offline  
Old March 1st, 2020, 12:48 PM   #9
Retired Moderator & Gunsmith
 
Iowegan's Avatar
 
Join Date: Aug 2006
Location: CB, IA
Posts: 15,794
Iowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud ofIowegan has much to be proud of

Awards Showcase

Frontiersman, Just some FYI for Ruger Single-Sixes shooting 22 LRs …. It's well known that Ruger uses a .224" bore in Single-Sixes to accommodate jacketed 22 Mag ammo with .224" bullets. Many people think you can't get decent accuracy with 22 LRs because bullets are typically .222". Fact is, if you let the bullet work for you, match grade accuracy (sub-inch at 25 yards) is easy to do …. at least from a bench rest for us old wobbly guys.

If you buy 22 LR ammo with exposed soft lead bullets …. no plating or coating, you will find they will bump up in diameter quite well. This is called obturation and it's limited to the size of the cylinder throats. In a Single-Six (or Wrangler, or Bearcat), throat diameters are .225" so when 24,000 psi chamber pressure is applied, the bullet will expand to .225" and form a nice seal in a .224" bore. This makes for a very accurate combination. Plated or coated bullets don't fare as well so they don't establish a tight seal in the bore, however they will usually hold a 2~2.5" group at 25 yards and won't foul as much.

To understand this concept, you can do an easy experiment. Pull a bullet from a 22 LR case and measure its diameter. Place the bullet base down on a flat surface like an anvil. Smack the nose of the bullet soundly with a hammer then measure the bullet's diameter again. You will note the diameter is now larger than before, dependent on how hard you hit it. Chamber pressure works much the same as hitting the bullet with a hammer so you can expect the fired bullet to expand to it's throat limit of .225".

I'm very fond of CCI Mini-Mags for my semi-autos but I found Federal Champion (bare lead) 22 LRs are capable of match grade accuracy in a Single-Six. Yes, you may get more bore fouling with bare lead bullets than you do with plated bullets but it cleans up pretty easy. I found my Single-Sixes are good for at least 50 rounds before bore fouling starts to affect accuracy. Even after 100 rounds of Champions, accuracy is just as good as shooting plated bullets from a clean barrel. Here's a link: https://www.federalpremium.com/rimfi...re/11-510.html

Last edited by Iowegan; March 1st, 2020 at 12:56 PM.
Iowegan is offline  
Old March 1st, 2020, 01:04 PM   #10
Ruger Aficionado
 
Frontiersman's Avatar
 
Join Date: Nov 2015
Location: The Old Frontier
Posts: 1,088
Frontiersman is on a distinguished road
Thanks for laying out a good explanation of obturation. I've been a cast loader for a lot of years, so I know how it works. I didn't mean to imply that lead bullets were less accurate. I guess I'm willfully trading in some accuracy for less fouling. Truth be told I'm not as steady as I once was and don't notice as much difference when shooting free hand.

I have also been reminded as we settled down back in the country than hard solid bullets are poor for dispatching vermin. They just poke a hole clean through and take longer to bleed out. A good soft hollow point does a better job with a clean kill in .22.

I surely like these Ruger single actions for general around the farm use.
Frontiersman is offline  
Reply

  Ruger Forum > Pistol & Revolver Forum > Ruger Single Action

None


Search tags for this page

are ruger old model single 6 cylinders engraved

Click on a term to search for related topics.

Thread Tools
Display Modes


Similar Ruger Forum Discussions
Thread Thread Starter Forum Replies Last Post
Ruger Single Six(old model) Questions Monte4283 Ruger Single Action 17 March 16th, 2017 03:55 PM
Old model single six cylinders questions Mark6005 Ruger Single Action 7 January 4th, 2016 06:40 AM
Want To Buy: Old Model single six 22LR Cylinder oldcars Parts & Accessories 0 May 3rd, 2014 09:57 PM
New Model Ruger single action cylinder stop DuncanSA Gunsmithing 5 April 17th, 2013 12:42 AM

Top Gun Sites Top Sites List
Powered by vBulletin 3.8.8
Copyright ©2000 - 2020, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.1
Copyright © 2006 - 2020 Ruger Forum. All rights reserved.
Ruger Forum is a Ruger Firearms enthusiast's forum, but it is in no way affiliated with, nor does it represent Sturm Ruger & Company Inc. of Southport, CT.