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Old 10-16-2019, 08:34 PM
autobahn

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How to improve the trigger??



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I have been reading about a modification for the trigger. It involves drilling and installing small set screws, and possibly a different spring. Does anyone have photos to share?? Thanks in advance
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Old 10-16-2019, 09:07 PM
Jammer22
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Go with the tried and true, a Volguartsen Hammer. You can add a Mcarbo Spring kit but if it were me, I'd go with the VQ hammer only

https://www.rimfirecentral.com/forum...61#post6603361
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Old 10-19-2019, 12:26 PM
autobahn

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I got it NOW

I polished the hammer (very carefully) and did the set screw mod. Its like glass breaking now. It has a trigger pull of 3 1/2 lb. and is very consistent. Ill take it to the range later and report back
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Old 10-19-2019, 12:48 PM
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Originally Posted by autobahn View Post
I polished the hammer (very carefully) and did the set screw mod. Its like glass breaking now. It has a trigger pull of 3 1/2 lb. and is very consistent. Ill take it to the range later and report back
I hope it lasts. The hammers are only surface hardened and I wore out a couple by shooting less than 2K rds after. They didn't hold up because of my polishing and I didn't reharden em.
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Old 10-19-2019, 12:54 PM
autobahn

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Great Idea

Ill pull it apart and harden the hammer. I have done this in the past after lightly polishing them on other guns
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Old 10-19-2019, 03:22 PM
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The early ones had some kind of Nickel and Teflon coating so not sure how that will affect heat treating?
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Old 10-19-2019, 04:35 PM
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Get the area ultra clean and dry, coat with a dab of automotive anti-seize compound and reassemble.
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Old 10-20-2019, 01:13 PM
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JME recently, MCarbo full kit. They have increased the spring to make sure of consistent primer hits (old spring gave inconsistent ignition, or no ignition, on some rifles) and the kit includes, spring, aluminum spring bushings and a reconfigured (sear angle notch, like VQ) hammer. $60 shipped. From time of removing action screws to putting the rifle back together, less than 20 minutes. Took trigger from +5lbs to 2-1/4lbs (verified on a digital trigger scale). I was going to sell this rifle (.22WMR), but not now. Testing earlier in the week confirms my POS B-mag will most likely be for sale. Good kit, good trigger.
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Old 10-21-2019, 11:20 PM
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597 Trigger

I installed the Volquartsen hammer and also the VQ extractor. the hammer dropped the trigger pull down from 5 pounds 2 oz down to 3 pounds flat. I am hoping the Mcarbo hammer spring when it arrives will get the pull closer to 2 pounds. The kit I have coming also has the Mcarbo hammer so will compare that with the VQ. Whichever gives the best trigger pull wins.
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Old 10-22-2019, 02:14 PM
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Going on the theory that the 597 isn't a really target rifle, I took the advice of many here and added the Volquartsen hammer, free floated the barrel and sighted in and use CCI's std velocity ammo. More than pleased with the results.
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Old 10-22-2019, 02:31 PM
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Quote:
Originally Posted by kiwi56 View Post
I installed the Volquartsen hammer and also the VQ extractor. the hammer dropped the trigger pull down from 5 pounds 2 oz down to 3 pounds flat. I am hoping the Mcarbo hammer spring when it arrives will get the pull closer to 2 pounds. The kit I have coming also has the Mcarbo hammer so will compare that with the VQ. Whichever gives the best trigger pull wins.
Let us know how it works out eh?
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