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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New barrel
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<blockquote data-quote="shortgrass" data-source="post: 1668823" data-attributes="member: 24284"><p>The specs for a new barrel can be derived from the old barrel,,,,,,, provided all the specs of the old barrel are correct. Because the old barrel was made in a 'production' setting, it is usually not given the care, as it is made, that a custom barrel is. The old barrels specs may be less than perfect. Sure, there are enough threads on the tenon and it screws into the action. The chamber head spaces within specs. The crown has been cut. With a "gunsmith" fit the threaded tenon will come as close as possible to the bolt without interfering with it, the head space will be at minimum (which is important for a variety of reasons) and the crown will be truly concentric to the bore as will the threads and chamber. Myself, I like the action in hand when I am fitting a new barrel so I can insure these things. I want to fire it a couple of times, too, so I can examine the fired brass that could show me any defects in my work. I want as close to 'perfect' as I can get, although in the real world 'perfect' does not exist. These days 'factory' seems to be "good enough". Maybe that's all you want, good enough. But there is more to it than just screwing a barrel on to a receiver, whether the work is done in a factory or in a gunsmiths' shop.</p></blockquote><p></p>
[QUOTE="shortgrass, post: 1668823, member: 24284"] The specs for a new barrel can be derived from the old barrel,,,,,,, provided all the specs of the old barrel are correct. Because the old barrel was made in a 'production' setting, it is usually not given the care, as it is made, that a custom barrel is. The old barrels specs may be less than perfect. Sure, there are enough threads on the tenon and it screws into the action. The chamber head spaces within specs. The crown has been cut. With a "gunsmith" fit the threaded tenon will come as close as possible to the bolt without interfering with it, the head space will be at minimum (which is important for a variety of reasons) and the crown will be truly concentric to the bore as will the threads and chamber. Myself, I like the action in hand when I am fitting a new barrel so I can insure these things. I want to fire it a couple of times, too, so I can examine the fired brass that could show me any defects in my work. I want as close to 'perfect' as I can get, although in the real world 'perfect' does not exist. These days 'factory' seems to be "good enough". Maybe that's all you want, good enough. But there is more to it than just screwing a barrel on to a receiver, whether the work is done in a factory or in a gunsmiths' shop. [/QUOTE]
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