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Rifles, Reloading, Optics, Equipment
Gunsmithing
Matching throat angle to Berger VLD bullet?
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<blockquote data-quote="coyotezapper" data-source="post: 367479" data-attributes="member: 20438"><p>Berger VLD's normally like to be seated to the lands for best accuracy. This at times can be a problem with magazines or detachable box mags. By having your barrel throated for the VLD's you can determine the "over all length" with reamer selection/design. If I were you I would seat a VLD to the ideal length to fit your magazine and send it to Dave Kiff at Pacific Tool and Gauge and have him grind you a reamer off of that sample. He may already have a reamer drawn for your bullet/cartridge application. What you are doing here is setting your freebore. I have done it and it works great. As far as shooting other bullet designs through that custom chamber I am not sure how that would work. I shoot only the bullets I have the rifle chambered/throated for. There could be seating depth issues with tangent ogives. ALL that being said I shoot 180 VLD's in a stock M700(7MM STW) with a detachable mag which only alows me to seat the bullet to 3.65" COAL and the bullet jumps .220" to the lands!! It will shoot in the .6's all day long at 3000 fps. Go figure. Remmember also that if you ever plan to sell a rifle, that it may be harder to sell with a unique throat. Kind of like match rifles with tight neck chambers where neck turning is required.</p></blockquote><p></p>
[QUOTE="coyotezapper, post: 367479, member: 20438"] Berger VLD's normally like to be seated to the lands for best accuracy. This at times can be a problem with magazines or detachable box mags. By having your barrel throated for the VLD's you can determine the "over all length" with reamer selection/design. If I were you I would seat a VLD to the ideal length to fit your magazine and send it to Dave Kiff at Pacific Tool and Gauge and have him grind you a reamer off of that sample. He may already have a reamer drawn for your bullet/cartridge application. What you are doing here is setting your freebore. I have done it and it works great. As far as shooting other bullet designs through that custom chamber I am not sure how that would work. I shoot only the bullets I have the rifle chambered/throated for. There could be seating depth issues with tangent ogives. ALL that being said I shoot 180 VLD's in a stock M700(7MM STW) with a detachable mag which only alows me to seat the bullet to 3.65" COAL and the bullet jumps .220" to the lands!! It will shoot in the .6's all day long at 3000 fps. Go figure. Remmember also that if you ever plan to sell a rifle, that it may be harder to sell with a unique throat. Kind of like match rifles with tight neck chambers where neck turning is required. [/QUOTE]
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Matching throat angle to Berger VLD bullet?
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