wingnut Posted February 21, 2016 Share Posted February 21, 2016 Can I lighting up the trigger with out buying a kit. Link to comment Share on other sites More sharing options...
practical_man Posted February 21, 2016 Share Posted February 21, 2016 Of course it is. Cut a couple coils of the mainspring. Polish the hammer- sear interface. Polish trigger return plunger. That should get you down to 2.5 pounds pretty easily. Don't take too much off the mainspring as it is part of slowing the bolt after firing. Be careful not to lose the ball detent in the mainspring assembly. It is under serious pressure. The good news is the ball detent is cheap and readily available. Link to comment Share on other sites More sharing options...
fosters3 Posted June 28, 2016 Share Posted June 28, 2016 For me, I took out the magazine disconnect and added the hammer bushing, put in a Volquartsen sear, and added a TandemKross trigger. This took me just under 2lbs with a great pull. If you don't like the flat face trigger you can save $35+SH and get the trigger in the 2lb range for less than $40. Link to comment Share on other sites More sharing options...
jamesb74 Posted August 22, 2016 Share Posted August 22, 2016 Where are all these parts found? On Midway? Also any good smiths that can do the work if we don't want to mess with it? Link to comment Share on other sites More sharing options...
fishsticks Posted August 22, 2016 Share Posted August 22, 2016 Where are all these parts found? On Midway? Also any good smiths that can do the work if we don't want to mess with it?You can buy direct from tandemkross and volquartsen.With the aid of YouTube even someone like me who is all thumbs can do it in about an hour. Link to comment Share on other sites More sharing options...
dapribek Posted August 22, 2016 Share Posted August 22, 2016 I've found that most of the local gunsmiths can change out the parts without any difficulty. Link to comment Share on other sites More sharing options...
BeerBaron Posted August 24, 2016 Share Posted August 24, 2016 The best money you'll spend on a mk3 22/45 is a hammer bushing to remove the mag disconnect (there are heaps of brands, I like the volquartsen but others are good too) and the volquartsen sear. Bushing and sear are super easy to fit. Just changing those will give you mags that drop free and a trigger somewhere between 2-2.5lb. Link to comment Share on other sites More sharing options...
jamesb74 Posted August 30, 2016 Share Posted August 30, 2016 Cool Thanks. I will check it out. Looks like it needs another trigger. Took it apart for cleaning and although I put it back together the way it showed. It doesn't feel like the hammer is falling. Also the slide likes to stick even when there is no mag. I will check it out some more. But would like a better trigger on this thing. Link to comment Share on other sites More sharing options...
bubbadoc Posted September 10, 2016 Share Posted September 10, 2016 Great old design with a lot of after market parts. I have experience with Volquartsen and have a couple worked on by Clark Custom The key with reassembling a Ruger 22 is to make sure your third hand is in the right position while standing on your head... If you are not totally frustrated I would suggest another dissaembly/ reassembly or two to make sure everything is back in place. (I have several and have to refer to a video or written instructions everytime I do it... I try to do total cleans on several on the same day to make it faster by the end) Link to comment Share on other sites More sharing options...
Bagellord Posted November 13, 2020 Share Posted November 13, 2020 I am really, really sorry to resurrect such an old thread. But... how in the world do you change the mainspring on a Mk III? I bought a new one from Ruger hoping to solve some ignition issues (already changed the firing pin) with Eley Force ammo, but I cannot figure out how to take the mainspring out of the housing. Link to comment Share on other sites More sharing options...
Tampa-XD45 Posted November 16, 2020 Share Posted November 16, 2020 On 11/13/2020 at 10:12 AM, Bagellord said: I am really, really sorry to resurrect such an old thread. But... how in the world do you change the mainspring on a Mk III? I bought a new one from Ruger hoping to solve some ignition issues (already changed the firing pin) with Eley Force ammo, but I cannot figure out how to take the mainspring out of the housing. Check out these 2 videos: https://www.youtube.com/watch?v=FWyevfNcPKI https://ruger.com/videos.html?vid=131271684&cat=3769278 Link to comment Share on other sites More sharing options...
Bagellord Posted November 16, 2020 Share Posted November 16, 2020 3 hours ago, Tampa-XD45 said: Check out these 2 videos: https://www.youtube.com/watch?v=FWyevfNcPKI https://ruger.com/videos.html?vid=131271684&cat=3769278 Thanks, but that is for the housing itself, not the actual spring. Link to comment Share on other sites More sharing options...
SteelCityShooter Posted November 22, 2020 Share Posted November 22, 2020 There is a little pin at the base of the mainspring housing holds the latch plate (part 60) that can be driven out. Then the plunger (part 57) , spring (58) and the ball at its base (59) can be removed and the spring replaced. Link to comment Share on other sites More sharing options...
Kwontanamo Posted December 16, 2021 Share Posted December 16, 2021 (edited) i'm about to get my dad's mark IV 22/45 from my dad, the same gun he trained me on, so that I can get my son started. At some point, i'm going to want to put a dot on it and I came across this...Mark Series FastFire™ Mount (shopruger.com), Mark IV™, Mark III™ & 22/45™ Picatinny Rail (shopruger.com)Wondering if there has been any review on this and if theres a better mount I can go with. Edited December 16, 2021 by Kwontanamo Link to comment Share on other sites More sharing options...
Effectus Magis Per Minor Posted December 16, 2021 Share Posted December 16, 2021 I do not know if they are any better, but there are more options! https://www.egwguns.com/pistol-and-red-dot-mounts/?brand=761 I have one of their mounts but have not used it yet so can not comment on its longetivity. It looks well machined... Link to comment Share on other sites More sharing options...
GrumpyOne Posted December 16, 2021 Share Posted December 16, 2021 2 hours ago, Kwontanamo said: i'm about to get my dad's mark IV 22/45 from my dad, the same gun he trained me on, so that I can get my son started. At some point, i'm going to want to put a dot on it and I came across this...Mark Series FastFire™ Mount (shopruger.com), Mark IV™, Mark III™ & 22/45™ Picatinny Rail (shopruger.com)Wondering if there has been any review on this and if theres a better mount I can go with. Drive the rear site out and use the dovetail mount where the site was. Gets the dot about as low as it can go on the barrel. Link to comment Share on other sites More sharing options...
SteelCityShooter Posted December 18, 2021 Share Posted December 18, 2021 (edited) EGW makes very good bases that replace the rear sight and are available to fit numerous red dot "footprints" but each model has a specific footprint. Alchin (https://allchingunparts.com/) makes a very versatile mount that bolts to the receiver using the Weaver/Picatinny bolt spacing and accepts accepts several red dot models. It allows keeping the rear sight. I have it on my MkIV. TandemKross sells their "Shadow Mount" that also accepts several red dot footprints and also allows keeping the rear sight. Edited December 18, 2021 by SteelCityShooter Link to comment Share on other sites More sharing options...
Kwontanamo Posted December 19, 2021 Share Posted December 19, 2021 On 12/16/2021 at 5:40 PM, Effectus Magis Per Minor said: I do not know if they are any better, but there are more options! https://www.egwguns.com/pistol-and-red-dot-mounts/?brand=761 I have one of their mounts but have not used it yet so can not comment on its longetivity. It looks well machined... If I end up using it i'll let you know Link to comment Share on other sites More sharing options...
Kwontanamo Posted December 19, 2021 Share Posted December 19, 2021 On 12/16/2021 at 5:57 PM, GrumpyOne said: Drive the rear site out and use the dovetail mount where the site was. Gets the dot about as low as it can go on the barrel. i have a feeling i'll end up doing that Link to comment Share on other sites More sharing options...
Kwontanamo Posted December 19, 2021 Share Posted December 19, 2021 5 hours ago, SteelCityShooter said: EGW makes very good bases that replace the rear sight and are available to fit numerous red dot "footprints" but each model has a specific footprint. Alchin (https://allchingunparts.com/) makes a very versatile mount that bolts to the receiver using the Weaver/Picatinny bolt spacing and accepts accepts several red dot models. It allows keeping the rear sight. I have it on my MkIV. TandemKross sells their "Shadow Mount" that also accepts several red dot footprints and also allows keeping the rear sight. i'll give this a try. Thank you! Link to comment Share on other sites More sharing options...
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