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Mark II sear replacement.

This is a discussion on Mark II sear replacement. within the Ruger Rimfires forums, part of the Pistol & Revolver Forum category; Recieved the VQ sear today and wondering if this is sometning I can do myself. Have studied info on this forum and others and still ...


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Old March 1st, 2010, 03:59 AM   #1
 
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Mark II sear replacement.

Recieved the VQ sear today and wondering if this is sometning I can do myself. Have studied info on this forum and others and still not sure how difficult it is gonna be. Did not get to this forum in time to get Iowegan's IBOK on the Mark II (always a day late or a dollar short), which seems to be the bible on these guns. Have went to rimfire central forum and studied the disassemble instructions and it does not seem to hard. Grant you, I am not mechanically illiterate, being a Cadillac mechanic for 32 years, but this does concern me and scares me to death. I have read where people have done this without a problem and others who has pulled their hair out,(I don't have much left to pull). I guess I either need words of encouragement or someone to say "put the gun down and back away slowly". Iowegan, if you read this, please publish the IBOK on the mark II, for I will buy 2, one for info and i for a back-up. All info in this is appreciated..



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Old March 1st, 2010, 04:56 AM   #2
 
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Replacing the sear shouldn't be too tough a job for an old mechanic..
Get yourself a a clean area to work with good lighting & "BEWARE" when you remove the Safety Lever as there's a small detent & spring that can Vanish..
A pair of Hemostats can be usefull for installing the sear spring BTW..
Here's the best link I've found for the MKII Inerds & has step by step instructions with pics of everything that's going on..
http://www.1bad69.com/ruger/internals.htm
You can leave your trigger & trigger bar/disconector attached but may want to remove the trigger spring & detent as they can become lost while messing with the other parts plus this will give you a chance to clean that hole with a Q-Tip & those parts too..
The secret is getting the hammer pin threw the safety with the slide release lever attached & then dropping the hammer/bushing into place with the trigger bar/disconector
Good Luck jwilson
Gary/Hk
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Old March 1st, 2010, 02:59 PM   #3
 
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Here is a video link from VQ..

http://videos.volquartsen.com/MKII%2...stallation.mov

another great site with alot of helpful pics..

detailstrip
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Old March 1st, 2010, 05:39 PM   #4
 
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OK I did it, installed the sear and it actually went very well. I learned a lot on how everything works togather. Only issue I had was the safety seemed not to go all the way to the "s" as compaired to my other MKII, so I field strip to see what is going on. The saftey catch is engaging the sear as it is suppose to. The safety detent ball is just not going all the way to the detent position on the frame, but the saftey is working because I cannot dry fire the gun. I guess this is not a problem. Gun seems to function properly, will know more after a session at the range. Now I wish I had put a Clark bushing in also, well I will get another oppertunity to disassemble it again. Thanks to all that offered words of wisdon and encouragement..
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Old March 1st, 2010, 07:36 PM   #5
 
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jwilson I had the same exact problem with the safety as you desribe..
After looking with an eye loupe at the safety were it intecepts the sear I noticed that the different sear angle of the VQ sear wasn't letting the safety fully seat..
I took the safety back out & with some needle files deepend the safetys notch mostly on the backside & blended the bevel to mirror the sear..
Do not file on the front angle of the safety as it's the one that stops the movement of the sear..
Afterwards the safety now moves all the way up as it did before with the factory sear.
I wonder if Volquartzen is aware of this problem?? If the left hand outer area of the sear was shaped the same as the factory sear it would work without any modification to the safety..
Almost sounds like something that should be brought to thier attention as a possible liability problem..
Congrats on the Sear jwilson..
BTW "How Does The Trigger Pull Feel Now?"
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Old March 2nd, 2010, 03:46 AM   #6
 
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WOW.... now all I need is the Clark bushing.. and a whole bunch of ammo
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Old March 2nd, 2010, 04:01 AM   #7
 
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got the vq sear on the way cant wait to get it in
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Old March 6th, 2010, 06:21 AM   #8
 
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After firing with the VQ sear installed, slow trigger pull, I feel creep (the best way I can decribe it, about 8-10 oz pull) then at about 2#, snap, hammer releases. My question, is this normal? Also when hammer falls, it is at the very end of trigger pull, I mean very end, no more trigger movement. Anyone that has installed this please reply because I dont have another one to compare it to.. Thanks...
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Old March 6th, 2010, 06:48 AM   #9
 
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Quote:
Originally Posted by jwilson View Post
After firing with the VQ sear installed, slow trigger pull, I feel creep (the best way I can decribe it, about 8-10 oz pull) then at about 2#, snap, hammer releases. My question, is this normal? Also when hammer falls, it is at the very end of trigger pull, I mean very end, no more trigger movement. Anyone that has installed this please reply because I dont have another one to compare it to.. Thanks...
i hope to have my vq sear in and to the range later today and will post a report but seems you have a little more pre travel than you would like and very little to no over travel. you can pick up a vq trigger and adjust that out. VOLQUARTSEN : RUGER MARK I,II,III TARGET TRIGGER - World's Largest Supplier of Firearm Accessories, Gun Parts and Gunsmithing Tools. or do the mod your self GunTalk-Online.com :: View topic - RUGER MarkI/II/III Pre-travel screw install - DIY project
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Old March 6th, 2010, 12:02 PM   #10
 
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Great, let me know how it works out, and yea, a new trigger will probally fix my issue, not a big thing though. Just wanted to know if I really had an issue.. After thinkin of it, the difference between the 8oz "creep" lets me know when the hammer is fixen to fall..
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Old March 6th, 2010, 04:57 PM   #11
 
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your "creep" is just some pre travel got it in and the vq sear is sweet next comes a manual trigger fix for the pre travel im not to worried about over travel. remember when you do adjust the pre travel add in a little extra for the crud that will get in.

Last edited by capnhector; March 7th, 2010 at 03:53 PM.
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Old March 7th, 2010, 03:42 PM   #12
 
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Quote:
Originally Posted by jwilson View Post
After firing with the VQ sear installed, slow trigger pull, I feel creep (the best way I can decribe it, about 8-10 oz pull) then at about 2#, snap, hammer releases. My question, is this normal? Also when hammer falls, it is at the very end of trigger pull, I mean very end, no more trigger movement. Anyone that has installed this please reply because I dont have another one to compare it to.. Thanks...
i had the same thing. and lol yes i know what you are describing.i had a vq sear in my 22/45,no problem. my mark 3 had this issue. i disassembled the gun and polished,remember i said polish. with some 1500-2000 sand paper.
i polised the hammer and sear carefully as to not change engagement angles.
heck i liked it so much i polished everything that contacted something else!
remember polish!LOL! the creep is gone! hope this helps
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Old March 8th, 2010, 03:09 AM   #13
 
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Thanks, that was what I was thinkin of doing.
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Old March 8th, 2010, 04:05 AM   #14
 
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good luck jay. you will actually find it fun after awhile and your reslts will be outstanding. i love working on these things. despite what most say they are very simple.just different.
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Old March 8th, 2010, 04:07 AM   #15
 
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j is this a mark 2,3 or 22/45?
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