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Comparing my Ruger Mark III 22/45 to my Mark IV 22/45

Today I went to the range to compare my Ruger 22/45 Mark III Target to my new Mark IV 22/45 Lite.

The Mark III has a Volquartsen Kit in it already and I’m very happy with the trigger at 2 lbs. The Mark IV is stock and has a horrible trigger set at 5 lbs 14 oz. I have ordered a VQ Kit for it and am anxiously waiting for it to arrive.

I fired 100 rounds of CCI-Mini Mags through the Mark III and all worked flawlessly. Same with the 100 Mini Mags through the Mark IV. Biggest difference is the trigger. I just can’t seem to control the heavier trigger on the Mark IV and had a hard time keeping all shots on target.

Reliability goes to the Mark IV. I’ve shot over 3000 rounds without a hiccup. The Mark III is working pretty good but when I switched to my backup ammo of Federal Auto Match I had two jams while firing 200 rounds.

I’m sure that after I do the trigger work on the Mark IV I will really enjoy it but for now my matches are going to be shot with the Mark III.

Groups with the Mark III were so much better.


  • BAMAAKBAMAAK Posts: 4,484 Senior Member
    Interesting. Groups don't much matter in speed steel. I quit using or even buying auto match due to duds. I still have a couple boxes I'll use for practice or plinking. Start saving your money and come shoot the world's with us in Oct. In Alabama.
    "He only earns his freedom and his life Who takes them every day by storm."

    -- Johann Wolfgang von Goethe, German writer and politician
  • Gene LGene L Posts: 12,815 Senior Member
    I've had jams with Federal Auto-Match in my Buckmark. I attribute it to the ammo as it shoots other ammo just fine.
    Concealed carry is for protection, open carry is for attention.
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