Ruger Mark IV 22/45 Blued 22 Long Rifle Pistol - 5.5" Barrel, 10 Rounds, Polymer Grips, 3-Dot Sights

Questions & Answers

• Q: I have a Ruger Mark III 22/45 Target model. Does anyone know if the Ruger Mark III 22/45 magazine will work in this Ruger Mark IV 22/45 pistol as well?
  Thanks in advance !!!
  A.N.

  • Answered
  • Asked 10/23/2023 12:48 by ANH N

  A:

  Hi Anh, Ruger does not recommended to use Mark IV magazines in a Mark III gun and vice versa.
  The main difference in the Mark III and Mark IV magazines is the base plate. There is 1/4 inch behind the back of the magazines in the Mark III. The Mark IV magazines are flush.
  All you have to do is grind off that 1/4 inch and the mags will work in both guns.
  Stay safe & have a great day!

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• Q: Anyone know for sure if this is California compliant? I could not find it on the list of hand guns allowed in this moronic state
  Thanks

  • Answered
  • Asked 05/06/2022 04:02 by Theron E

  A:

  No this one is Not currently on the roster, and come July the roster is going to start shrinking quite a bit with the 'micro stamp' requirements going into effect. There are currently 9 models of ruger 22lr pistols on the roster listed here
  https://oag.ca.gov/firearms/certified-handguns/search
  -----------‐---------
  36-22Lrs that are ca compliant that buds stocks here
  https://www.budsgunshop.com/search.php/type/firearms/caliber/10000844-22+long+rifle/exclusive/ca

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• Q: Hello, The threaded barrel version of this pistol is out of stock. Can I have this barrel threaded? Also, about how much would that cost?

  • Answered
  • Asked 02/15/2022 11:38 by Lawrence R

  A:

  Lawrence, unfortunately buds won't thread the barrel. You can order this and have a local gunsmith thread it for you. Sorry but hope this helps.

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• Q: I just want to confirm, this model is NY legal correct?

  • Answered
  • Asked 01/28/2022 21:59 by Andrew B

  A:

  Andrew, yes sir, this is NY legal, it has a non-threaded barrel. Have a great day!
• Q: Would the magazine for a metal frame Ruger MK IV 22LR work on this 22/45? Thanks

  • Answered
  • Asked 01/14/2022 01:35 by Kevin N

  A:

  Kevin, no, the Mark IV and the Mark IV 22/45 magazines are not interchangeable. You can convert your Mark IV mags to work on the 22/45 with this magazine block bottom >>> https://shopruger.com/Mark-III-Magazine-Block-Bottom/productinfo/61097/ .....or this one >>> https://store.wirthweinguns.com/Ruger-Magazine-90599-Base-Block-22-45-MK-p/r-mk-magp-bse-2245-mk4.htm .....Have a great day!

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• Q: any one know any place I can get a mark 4 22/45

  • Answered
  • Asked 09/04/2021 16:42 by MARK V

  A:

  Mark, there are several available at the following links Sir : https://gun.deals/search/apachesolr_search/736676401079
• Q: Hello great people. I was wanting to change the front sight on this Ruger Mark IV 22/45 . I'm not sure how to take it off. Does it take a special tool? It looks like the hole is round. Thank to all of you in advance. All of you are great people.Paul S.

  • Answered
  • Asked 07/13/2021 18:03 by Paul S

  A:

  Hi, the Ruger mark IV just requires you to remove a screw. Some of the older models used a flat head screw, the newer models use a hex screw you need 5/64 Allen wrench to remove it. The screw is located right behind the front site post. It may be a little difficult to remove cause most manufacturer use thread locker for these types of screws. I\'d recommend heating it up with a blow dryer, or just shoot a couple magazine threw the pistol and then try to remove the screw. Or you can try a penetrating lube Like pb blaster that should help loosen the screw. If for some reason the screws just to stuck to get I'd take it to a gun Smith before accidentally stripping the screw but you should be fine. Hope this helps.

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• Q: I plan on using the iron sights. Does the rear sight have a lot of play?

  • Answered
  • Asked 04/20/2020 22:35 by JESSE B

  A:

  Jesse, no Sir. This pistol has Adjustable Rear Sight but are very snug. Cheers and stay safe Sir!

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• Q: i have a set of stag grips for a standard 1911 govt 45acp pistol will they fit this ruger 22 45 pistol

  • Answered
  • Asked 04/19/2020 17:57 by Pamela R

  A:

  Pamela, not without some modification. The holes for the grip bushings are slightly larger than a standard 1911. Details of modification for fitment to the 22/45 is here : https://www.texasguntalk.com/threads/fit-a-set-of-standard-1911-grips-to-my-ruger-mkiv-22-45-it-can-be-done.84487/

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• Q: Some companies' .22 pistols are unique. Does this use regular Mark IV mags?

  • Answered
  • Asked 03/17/2020 02:03 by Mark G

  A:

  James the mags you linked will not work with the pictured MK IV 22/45 the proper 22/45 mags are https://www.budsgunshop.com/product_info.php/products_id/39185/ruger+90648+ruger+22%2f45+mark+iv+22+lr++10+rd+black+finish

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