22/45 MKIII upgrade?

Joined
Apr 17, 2024
Messages
364
Location
MN
The trigger needs help. Is there an accepted standard upgrade? I've gotten the LCI disabled, is a trigger upgrade any more difficult? While I'm there should I do anything else?
 
Register to hide this ad
In short, in a word, yep. I'm going to take my 22/45 MkIII to Quantico Friday to shoot in a rimfire EIC match. It has a sweet trigger done by me (and volquartsen) The sear and hammer are key, and of those, I think the sear is the single most important thing. I used to use a TandemKross trigger, but prefer the VQ one. Watch a bunch of YouTube videos and have at it!
 
I used a MKII Volquartsen hammer and bushings in my MKIII to get rid of the magazine safety. I bought them as part of a kit. I still have the LCI but none of the other features of the MKIII so it's like a MK2.5. I polished the bolt myself.

Accurizing Kits from Volquartsen CLICK HERE

IMG-0794.jpg
 
Question for you guys.

Is there a way to tell if my sear has been swapped out? I bought this used and the dealer only knew "it's had some work done"

I can tell the mag disconnect as well as the LCI have been done, it's also been modified to run a suppressor. I gave it a whores bath yesterday and the trigger feels better and the slide moves freely again. It makes me wonder if the main issue is dirt from suppressed .22
 
I put the Volquartson kit in mine, but used the OEM trigger spring as the spring that came in the kit reduced the trigger pull lighter than I liked.
 
My MkIII 22/45 came with the molded-in plastic grips (ugh). I had a friend machine these off and install two threaded inserts on each side so I could pick any 1911 grips I wanted. I had a local 'smith install the Volquartson kit and I put on a fiber optic sight set from Ruger. Dead nuts accurate and totally reliable, really turned this handgun into one of my favorites.
IMG_0224-smaller.jpg
 
My MkIII 22/45 came with the molded-in plastic grips (ugh). I had a friend machine these off and install two threaded inserts on each side so I could pick any 1911 grips I wanted. I had a local 'smith install the Volquartson kit and I put on a fiber optic sight set from Ruger. Dead nuts accurate and totally reliable, really turned this handgun into one of my favorites.
View attachment 72844
Siblings sorta.
IMG_0274.jpeg
 
Question for you guys.

Is there a way to tell if my sear has been swapped out? I bought this used and the dealer only knew "it's had some work done"
Look at the top of the sear where it goes into the hammer notch.

I've bought a mk2, two mk3s, and a mk4. The sears on the mk2 and mk4 were fairly decent. Both mk3 sears looked like they had been run against a belt sander with a 20 grit belt.

The grooves in the first one went parallel to the hammer face. It maxed out my trigger pull gage at over 8 pounds. The grooves in the second sear were perpendicular to the hammer face. It had a pull a bit over 6 pounds. The second mk3 had been made earlier than my first one. It seems that Ruger went very much out of their way to make the mk3 triggers as bad as they possibly could.

Volquartsen sears made both mk3 pulls improve to just over 2 pounds. And I second the suggestion to retain the Ruger trigger spring if you decide to get an adjustable trigger.
 
Look at the top of the sear where it goes into the hammer notch.

I've bought a mk2, two mk3s, and a mk4. The sears on the mk2 and mk4 were fairly decent. Both mk3 sears looked like they had been run against a belt sander with a 20 grit belt.

The grooves in the first one went parallel to the hammer face. It maxed out my trigger pull gage at over 8 pounds. The grooves in the second sear were perpendicular to the hammer face. It had a pull a bit over 6 pounds. The second mk3 had been made earlier than my first one. It seems that Ruger went very much out of their way to make the mk3 triggers as bad as they possibly could.

Volquartsen sears made both mk3 pulls improve to just over 2 pounds. And I second the suggestion to retain the Ruger trigger spring if you decide to get an adjustable trigger.
Thank you for your explanation. This has a fair amount of creep, if it were a mil-spec AR trigger it would earn a good rating.
 
I put the Volquartson kit in mine, but used the OEM trigger spring as the spring that came in the kit reduced the trigger pull lighter than I liked.
My Volq kit has an adjustable travel trigger and with their spring and my adjustment, it breaks at more than 1.5 and less than 2.0. My 22/45 was built as a target pistol, not to hunt with or for defense but I can see how some would think it's too light.
My MkIII 22/45 came with the molded-in plastic grips (ugh). I had a friend machine these off and install two threaded inserts on each side so I could pick any 1911 grips I wanted.
The 22/45RP (replaceable panels) model just came out when I went to buy mine so all I had to do was get replacements (see above) made in burled walnut.
 
Sitting here behind the firing line, my little Ruger mags are all loaded, ready for me to shoot on this third relay. The gun will get her done, but wish ME luck!
Well, I was unable to "let the X's out of the gun", heck, I actually shot substantially better with my 1911 NM Rock River today then with the Ruger yesterday.
True to form though, I know the problem, and like I predicted, I let the gun down, NOT the other way
The 22/45RP (replaceable panels) model just came out when I went to buy mine so all I had to do was get replacements (see above) made in burled walnut.
I have another one without the removable panels, as an optics gun for Rimfire Steel. I don't know why exactly but I was much more comfortable with the 45, I had more confidence in it.
 
Back
Top