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Rifles, Reloading, Optics, Equipment
Gunsmithing
Shallow action threads?
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<blockquote data-quote="RyanTrials" data-source="post: 1125638" data-attributes="member: 74292"><p>A few photos of old vs new barrel. You can see how the old bdl barrel has a few smaller OD threads on the end vs the new barrel. </p><p></p><p>I do a decent amount of iron threading at work and other mechanical things, im no dummy average joe shmoe weekend gun hobbyist, lol. I've also been looking into getting into gunsmithing, either schooling or apprenticeship type deal hopefully in the near future. No i'm not an experienced gunsmith yet, but I know what i'm looking at. Remington built these things on a production line, im pretty sure their quality control was a lot lower than Criterion (Krieger company) match grade hand lapped barrels. </p><p>Maybe remington wanted the last few threads to really bite into the action on their factory barrels to guarantee a mechanical lock type fit? Who really knows, unless you know someone that was personally there and knew the ins and outs of the tooling and operation. Can't just sit here assuming things on the internet saying Remington wouldn't have variation in their factory production line action threads. </p><p></p><p>The action threads are fine, its just towards the end where they taper that is making it a tight fit. You know the taper taps have at the first couple cutters? </p><p></p><p>Either way, ended up being able to slightly tighten the barrel up a tiny bit more and it headspaces perfectly! I would have taken some photos of the action but I just dropped it off to my gunsmith yesterday to get my recoil alignment pin recess notched in the action. </p><p></p><p> I am not going to mess with the threads yet. If the barrel doesn't perform as it should, i'll take it back to my smith and have him carefully put a tap through the threads to clean em up , face the action and bolt face. I'll lap the lugs myself. It should be interesting to see how it performs untrued vs trued. I am going to do a before and after test <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p><a href="http://imgur.com/WIWlJK5" target="_blank"><img src="http://i.imgur.com/WIWlJK5l.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p><a href="http://imgur.com/Hui3q2y" target="_blank"><img src="http://i.imgur.com/Hui3q2yl.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p><p><a href="http://imgur.com/mRbDQ95" target="_blank"><img src="http://i.imgur.com/mRbDQ95l.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></a></p></blockquote><p></p>
[QUOTE="RyanTrials, post: 1125638, member: 74292"] A few photos of old vs new barrel. You can see how the old bdl barrel has a few smaller OD threads on the end vs the new barrel. I do a decent amount of iron threading at work and other mechanical things, im no dummy average joe shmoe weekend gun hobbyist, lol. I've also been looking into getting into gunsmithing, either schooling or apprenticeship type deal hopefully in the near future. No i'm not an experienced gunsmith yet, but I know what i'm looking at. Remington built these things on a production line, im pretty sure their quality control was a lot lower than Criterion (Krieger company) match grade hand lapped barrels. Maybe remington wanted the last few threads to really bite into the action on their factory barrels to guarantee a mechanical lock type fit? Who really knows, unless you know someone that was personally there and knew the ins and outs of the tooling and operation. Can't just sit here assuming things on the internet saying Remington wouldn't have variation in their factory production line action threads. The action threads are fine, its just towards the end where they taper that is making it a tight fit. You know the taper taps have at the first couple cutters? Either way, ended up being able to slightly tighten the barrel up a tiny bit more and it headspaces perfectly! I would have taken some photos of the action but I just dropped it off to my gunsmith yesterday to get my recoil alignment pin recess notched in the action. I am not going to mess with the threads yet. If the barrel doesn't perform as it should, i'll take it back to my smith and have him carefully put a tap through the threads to clean em up , face the action and bolt face. I'll lap the lugs myself. It should be interesting to see how it performs untrued vs trued. I am going to do a before and after test :) [url=http://imgur.com/WIWlJK5][img]http://i.imgur.com/WIWlJK5l.jpg[/img][/url] [url=http://imgur.com/Hui3q2y][img]http://i.imgur.com/Hui3q2yl.jpg[/img][/url] [url=http://imgur.com/mRbDQ95][img]http://i.imgur.com/mRbDQ95l.jpg[/img][/url] [/QUOTE]
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Shallow action threads?
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