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Joined: Jan 2001
Posts: 59,167 Likes: 2
Campfire Kahuna
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Campfire Kahuna
Joined: Jan 2001
Posts: 59,167 Likes: 2 |
Al called it - most Remy factory guns have 15 thousands clearance between the bolt nose and the ring, and cut (depth and width)…
I set mine a heck of a lot closer (I don’t use a reamer I cut the nose recess based on the bolt size… Exactly how I did those also... I usually left .005-.006. Easy to do with a depth micrometer..
Ex- USN (SS) '66-'69
Pro-Constitution.
LET'S GO BRANDON!!!
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Joined: May 2003
Posts: 16,971 Likes: 1
Campfire Ranger
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Campfire Ranger
Joined: May 2003
Posts: 16,971 Likes: 1 |
5-6 thousands is what I use as well.. Al called it - most Remy factory guns have 15 thousands clearance between the bolt nose and the ring, and cut (depth and width)…
I set mine a heck of a lot closer (I don’t use a reamer I cut the nose recess based on the bolt size… Exactly how I did those also... I usually left .005-.006. Easy to do with a depth micrometer..
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Joined: Jan 2003
Posts: 3,439
Campfire Tracker
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Campfire Tracker
Joined: Jan 2003
Posts: 3,439 |
A slight veer off track but here goes...a few years back at an IBS tournament, a friend was having issues with his BR gun tossing a shot into the condition when the flags showed it should have dropped right in. He asked me to look it over and with a stripped bolt you could just feel a little snick when it closed. A black marker on the end of the bolt nose showed it was lightly contacting the counterbore. I did a bit of careful dirt clod 'massaging' and the gun shot dots.  For what it's worth. -Al
Forbidden Zoner
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Joined: Jan 2003
Posts: 3,439
Campfire Tracker
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Campfire Tracker
Joined: Jan 2003
Posts: 3,439 |
Just a quick mention....for the home hobbiest, a piece of solder also works slick to check bolt nose clearance.
The advent of pre-fit barrels with nuts has opened up all sorts of issues. Some of the machining on these barrels can lead the installer into a downright dangerous situation....especially for nosed bolts like the 700s.
Be careful out there..... -Al
Forbidden Zoner
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Joined: Mar 2007
Posts: 9,209 Likes: 3
Campfire Outfitter
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Campfire Outfitter
Joined: Mar 2007
Posts: 9,209 Likes: 3 |
Good timing. Here's a 700 fired case that had .008" bolt nose clearance. The owner failed to clear his throw and fed some red dot with the 4350. Had the clearance been much over .015, I'm thinking it may have blown out.....less gets ugly as mentioned above. ![[Linked Image from i.postimg.cc]](https://i.postimg.cc/3w6MLWk2/20220624-190454.jpg) ![[Linked Image from i.postimg.cc]](https://i.postimg.cc/VkKPCK1G/20220624-190525.jpg)
I would not buy something that runs on any kind of primer given the possibility of primer shortages and even regulations. In fact, why not buy a flintlock? Really. Rocks aren't going away anytime soon.
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Joined: Dec 2002
Posts: 13,104
Campfire Outfitter
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Campfire Outfitter
Joined: Dec 2002
Posts: 13,104 |
I have a dozen or so lugs on hand, most with a thou or two difference in thickness.i can generally get any 700 takeoff to head space good by switching lugs. The roll marks rarely line up. If you want all the markings in the right place you will need a reamer or a lathe
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