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Old February 8, 2019, 09:41 PM   #1
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Join Date: June 20, 2006
Location: Surprise, Az.
Posts: 521
Ruger Mark IV with new trigger

I upgraded my Ruger Mark IV 22/45 Lite to meet all the specifications of the new Volquartsen Mamba. LLV-6 upper and Vortex Red Dot.

So, there it was, just sitting in the safe, the old upper. I found a vender (Wirthwein Guns) with a new lower frame and ordered it. Now I had a second 22/45 Lite but it needed a trigger job.

It wasn't bad, 3 3/4 pounds, but wasn't that good either.

I ordered the VQ accurizing kit and installed it Thursday night. Took me about 20 minutes and ended up with a 1 1/5 pound trigger. SWEET.

Today I took it to the range and fired 300 rounds of CCI Blazer and a box of CCI SV with 5 of my spare magazines and I got 100% reliability.

All I need now is a new Red Dot sight.

AzShooter is offline  
Old February 9, 2019, 01:03 PM   #2
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Join Date: July 11, 2009
Posts: 389
Does it have an OT screw? I can't see one in the trigger.
An OT screw will make it feel like you've shaved at least another 1/4 pound off of it.

Don't know the physics of this but for me an OT screw is one of the first things I try to incorporate into a trigger job. Always makes the job feel better.
My posts are things I have tried or experienced. You may or may not wish to emulate them so read them with this in mind.
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Old February 9, 2019, 01:25 PM   #3
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Join Date: June 20, 2006
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I added a Volquartsen Accurizing kit and their trigger has the pre and over travel screws. Works like a charm.
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Old February 11, 2019, 07:43 AM   #4
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I have two 22/45 MK3 with VQ parts. One 4" with a complete VQ accuracy upgrade and one 5.5" with assorted VQ parts accumulated from here and there. 1.5# is a bit light for my purposes but I'm pleased with 2.5+/-#.
We shoot these pistols @ 100 yards on 8" swingers making consistent hits and currently working on "two in the air" double taps(get two bullets on the way before the first hits the target). Quite impressive when it works.
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