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Author Topic: 7mm-08 FTF Update!  (Read 674 times)

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Offline Jim Flinchbaugh

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7mm-08 FTF Update!
« on: April 09, 2012, 11:55:23 AM »
from my original thread http://www.gboreloaded.com/forums/index.php/topic,254469.0.html
About FTF on the first trip out with the handi.
I had made a new trigger extension from scratch, fit & timed it for a really nice trigger.
No over travel after the break, and no light strikes on the primer, in the shop.
Well I got it to the range today and to my surprise, there was not one FTF, & primer indent is WAY better
and the thing shot awesome. Here are the results of 2 different loads I tried.



Appreciate the advice I received to get me on the right track, this one is going to be a keeper 8)
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Offline dave29

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Re: 7mm-08 FTF Update!
« Reply #1 on: April 09, 2012, 12:01:25 PM »
Nice work!
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Offline cwlongshot

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Re: 7mm-08 FTF Update!
« Reply #2 on: April 09, 2012, 12:14:32 PM »
DAMN respectable groups!!

CW
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Offline cjrjck

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Re: 7mm-08 FTF Update!
« Reply #3 on: April 09, 2012, 01:30:21 PM »
Noticed you seated the bullets out pretty far. I do the same for the .308 based cartridges in the Handi with their generous chambers and throats.
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Offline OldSchoolRanger

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Re: 7mm-08 FTF Update!
« Reply #4 on: April 09, 2012, 01:42:02 PM »
Glad you got the bugs out.  Great groups.
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"You are entitled to your own opinions, but you are not entitled to your own facts." - Sen. Daniel Patrick Moynihan

When you allow a lie to go unchallenged, it becomes the truth.

My quandary, I personally, don't think I have enough Handi's but, I know I have more Handi's than I really need or should have.

Offline Jim Flinchbaugh

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Re: 7mm-08 FTF Update!
« Reply #5 on: April 09, 2012, 01:44:31 PM »
Quote from: cjrjck on April 09, 2012, 01:30:21 PM
Noticed you seated the bullets out pretty far. I do the same for the .308 based cartridges in the Handi with their generous chambers and throats.

I usually start just short of the lands, and back up a touch with each loading till I find the sweet spot.

Down the road, I intend to try paper patching cast boolits on this critter
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Offline bucmeister

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Re: 7mm-08 FTF Update!
« Reply #6 on: November 08, 2012, 08:30:06 AM »
Jim,

I sure am glad to find your post.  Altering the timing is what I have been contemplating. 

What did you use for your stock material when making the new piece?  I'm guessing you have machining equipment to accurately create a piece like this.  I have thought about altering the existing extension's timing by moving the slot in such a way so as to tilt the front end of the extension forward because as best I can interpret as long as it retracts enough to let the striker fall when the trigger is released that is all the clearance needed.  Seems that if the portion of the slot towards the front of the action is filed away a bit and the back edge moved forward by peening/forging with a hammer the extension will rotate a bit forward on the trigger pin causing the nose of the extension to move into position under the striker lifter just as, if not slightly before, the hammer fall drops the lifter.  I believe that once that timing/gap is tightened up the early striker fall that causes the light strike/FTF situation to occur.

Thanks, bucmeister
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