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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mmWSM project completed
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<blockquote data-quote="308 nate" data-source="post: 33557" data-attributes="member: 1920"><p>Brien, </p><p>thanks for the compliment.</p><p>first of all I'm a fairly new gunsmith and this is my first experience with the 7mmwsm</p><p>but I will be dissapointed if acuraccy drops off before 2000 rounds.As far as copper showing up now I would not say that is a sign of your barrel being on it's way down.(thinking out loud)In my experience if a barrel is cared for properly they only get smoother. is it possible for a barrel to get to smooth and have more surface area touching the bullet perhaps pulling more copper off.In my mind machining marks running true with the rifling is not a bad thing but other obstructions like copper deposits or machining marks that don't run parralel with rifling will cause excessive copper fouling take it for what it's worth and correct me if I'm wrong, hope to never stop learning. <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Brent,</p><p>thanks for the compliment.</p><p>Yes, I did all the machining on the block.The bore is 1.25 for 10" then straight taper to .950 at 30" </p><p>308nate <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="308 nate, post: 33557, member: 1920"] Brien, thanks for the compliment. first of all I'm a fairly new gunsmith and this is my first experience with the 7mmwsm but I will be dissapointed if acuraccy drops off before 2000 rounds.As far as copper showing up now I would not say that is a sign of your barrel being on it's way down.(thinking out loud)In my experience if a barrel is cared for properly they only get smoother. is it possible for a barrel to get to smooth and have more surface area touching the bullet perhaps pulling more copper off.In my mind machining marks running true with the rifling is not a bad thing but other obstructions like copper deposits or machining marks that don't run parralel with rifling will cause excessive copper fouling take it for what it's worth and correct me if I'm wrong, hope to never stop learning. [img]images/icons/smile.gif[/img] Brent, thanks for the compliment. Yes, I did all the machining on the block.The bore is 1.25 for 10" then straight taper to .950 at 30" 308nate [img]images/icons/smile.gif[/img] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mmWSM project completed
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