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I hear from the forums to use a Mark ll Hammer and a spacer to take up the slop. Has anybodyelse tried it without the spacers? I installed a Sear from Rinfire in my Ruger 678H 22/45. During the assembly I purposely left out the Mag Safety. Moving the Sear back and forth I notice there was no differe...

MarkIIIH 678 22/45 VQ Sear with a MarkII Hammer, Trigger pull less than 2#.

I installed the MarkII hammer and sear on my MarkIII Hunter. The trigger pull is about 2# and crisp. Far as adding the Clark brushing, I don't think its needed.

The hammer and sear made a great difference for my shooting scores.

The local gunsmith who come to our range had a used one in his box. He installed it for $20 and now it works just fine.

Thanks again for your help.
Don

Installed a new VQ MarkII Hammer this morning, to go along with the VQ Sear I installed earlier. All the parts came from Rimfire. With the help of Bullseye, I now have a real smooth crisp trigger pull. I can't see installing the a new trigger because it feels perfect now. The pretravel is just right...

Thanks again Bulleye. My friend took the gun to a local gunsmith. The smith told him the parts are not made any more and it couldn't be repair.

My buddy really likes the gun and he sure is happy since I passed the info on to him.

Thanks, Don

This is an older model, need to find out where we can get an extractor. Shels wnn't eject, the fork extractor is cracked.

I had the same problem with my Hunter. I installed a VQ Sear for $20 and took out the Mag Safety and Spring. Then installed Stainless Steel Washers to take up the slop form the removed safety.

Trigger pull is light and crisp. Bulleye taught me that one.

Before you take it down to add the washers order a VQ Sear from Rimfire. The $20 new sear makes a big difference in the trigger pull. Go to your local Hardware Store, they have a large selection of thin and thick washers, go with the thin ones so you can adjust it for a good fit. After all this, the...

Next cleaning I'll remove the Mag Safety and install a washer. This forum is a great tool for learning.

Thanks again,

Don

I lost the Magazine Safety Spring, assembled without it. It seems to work ok dry firing it with a nice light trigger pull. Now the mag flies out when I hit the release. Also, it will fire now with the mag out.

Question, will it hurt to fire it like this until I replace the spring???

When I first installed it I gave it a light coating of gun oil. Now, after about 1 brick it feels sticky maybe a little polishing and dry lube on the sear would fix the problem.

Would appreciate any advice.

Don