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Vertical Where to start?

Have you sorted you bullets by overall length? If not, give that a try, keeping them batched into .002"-.003" lots.

I got bit earlier this year assuming my custom bullets were good to go on their OAL. They weren't Thanks @Torge for catching this for me.

Good shooting.

Rich
 
Decock the bolts and measure the firing pin protrusion on each. Then, repeat the process with the bolt(s) in the action, pull the trigger and compare to your previous measurements. -Al
Mag bolt in the rifle, firing pin falls .235”, out of the rifle .257”. firing pin protrusion out of the rifle is .058”.

Standard bolt firing pin falls, in the rifle .256”, out of the rifle .282. Firing pin protrusion out of the rifle is .058”.

CW
 
Mag bolt in the rifle, firing pin falls .235”, out of the rifle .257”. firing pin protrusion out of the rifle is .058”.

Standard bolt firing pin falls, in the rifle .256”, out of the rifle .282. Firing pin protrusion out of the rifle is .058”. CW

Can you check the pin protrusion with the bolt(s) in the action? You can use a metal straight edge across the action face for the dial caliper to rest on. -Al
 
Can you check the pin protrusion with the bolt(s) in the action? You can use a metal straight edge across the action face for the dial caliper to rest on. -Al
Just did that,
Mag measured .061”
STD measured .055”
CW

I sent you a PM
 

attached is a video of what I believe is the answer to the vertical stringing.

Watch the lag time between pulling the trigger and actual firing pin fall.

Maybe I am wrong. I will test with a different trigger in the next day or two and post those results.

The trigger was "hanging up" a bit the day I had the vertical stringing issue, I believe this is temperature related.
Yesterday evening, I pulled the trigger out and installed it in my PPC. It functioned well, so I locked it in one of my vehicles for a few hours in an unheated area. This morning, the trigger was "hanging up" again.
I will clean the trigger today.... maybe this is the problem?

this video was taken about 10-12 minutes after bringing the rifle into the warmth of the house. I keep my trigger pulling hand on the opposite side of the rifle so firing pin operation in more visible.
Pay particular attention to the last trigger pull, the delay is super obvious (after trigger pull watch for firing pin fall).
CW
 
It does seem slow, fwiw. It's winter time and cold weather will gel old lubes etc and slow the trigger and firing pin down..sometimes much worse than yours.
IMO, it's certainly worth cleaning, thoroughly, both the trigger and inside of the bolt. I'd soak in acetone, spray out with brake cleaner, blow dry, repeat, then douse in lighter fluid. Even better, disassemble the trigger and do same. When was the fp spring changed last? I change mine at minimum, every two years.
 
It does seem slow, fwiw. It's winter time and cold weather will gel old lubes etc and slow the trigger and firing pin down..sometimes much worse than yours.
IMO, it's certainly worth cleaning, thoroughly, both the trigger and inside of the bolt. I'd soak in acetone, spray out with brake cleaner, blow dry, repeat, then douse in lighter fluid. Even better, disassemble the trigger and do same. When was the fp spring changed last? I change mine at minimum, every two years.
Just finished taking the trigger apart, it was quite clean.
No grease or liq oil on firing pin.
CW

Edit,
I replace firing pin springs each year
CW
 
Any evidence of the cocking piece dragging on the trigger connector? Some black Magic Marker on the trigger connector can show this. -Al
 
Any evidence of the cocking piece dragging on the trigger connector? Some black Magic Marker on the trigger connector can show this. -Al
Al, I will test that when the trigger is returned to me. Right now it is boxed up and heading to Dillon, MT.

CW
 
Al, I will test that when the trigger is returned to me. Right now it is boxed up and heading to Dillon, MT. CW

Couple other things...are the replacement Panda springs from Kelbly's or another source? Also, what tool did you use to replace them? -Al
 

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