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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
408 Cheytac Brass
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<blockquote data-quote="Brent" data-source="post: 22028" data-attributes="member: 99"><p>Here's what I found,</p><p></p><p>0.014".....Neck Wall Thickness</p><p>0.012".....Shoulder Wall Thickness</p><p>0.050".....Base Wall Thickness</p><p>0.430".....Outside Diameter of Neck</p><p>0.600".....Outside Diameter Below Shoulder</p><p>0.633".....Outside Diameter Near Base</p><p>3.330".....Overall Case Length</p><p>2.675".....Case Length From Base to top of Shoulder</p><p>2.450".....Case Length From Base to bottom of Shoulder</p><p>0.240".....Case Web Thickness</p><p></p><p>Total Case Volume,</p><p>165.3gr Water Capacity </p><p></p><p>For comparison ONLY,</p><p>175.3gr of H110 Powder</p><p></p><p>355.7gr.....Case with Primer</p><p>521.0gr.....Case with Primer and Water</p><p>531.0gr.....Case with Primer and H110 Powder</p><p></p><p>This is a VERY awesome cartridge indeed!! </p><p>Put a 419gr .940 BC bullet on top and this is a tough combination to beat if it's in a long barrel. I want to see what it will do in a 40" tube! </p><p></p><p>The 50 caliber version looks pretty awesome too if the velocities are up at 3000fps with a 750gr A-Max too. The energy at 2000yds is just HUGE and it's just as flat too.</p><p> </p><p>I'm not sure what part was thickened over the 505 Gibbs to make it stronger as I've never examined the 505 Gibbs case personaly, but it looks plenty strong. I wonder if the brass from Mast Tech. is harder than Normas 416 Wby or Rigby stuff? </p><p></p><p>Dimentions seem to mimmick that of the 416 Rigby pretty close giving a little edge to the Rigby in thickness at the web,lower shoulder and necks. They are very close except for size, the Rigby looks like a 338RUM next to it though.</p><p></p><p>The shoulder seems to be a little shallow at about a 20° angle, but for the auto loader which it might be used for it would feed better this way, for me it would get a 30-40° shoulder angle if it were of an improved desighn.</p><p></p><p>Warren definitly has a winning cartridge here. And when better powders become available it will just get better and better.</p></blockquote><p></p>
[QUOTE="Brent, post: 22028, member: 99"] Here's what I found, 0.014".....Neck Wall Thickness 0.012".....Shoulder Wall Thickness 0.050".....Base Wall Thickness 0.430".....Outside Diameter of Neck 0.600".....Outside Diameter Below Shoulder 0.633".....Outside Diameter Near Base 3.330".....Overall Case Length 2.675".....Case Length From Base to top of Shoulder 2.450".....Case Length From Base to bottom of Shoulder 0.240".....Case Web Thickness Total Case Volume, 165.3gr Water Capacity For comparison ONLY, 175.3gr of H110 Powder 355.7gr.....Case with Primer 521.0gr.....Case with Primer and Water 531.0gr.....Case with Primer and H110 Powder This is a VERY awesome cartridge indeed!! Put a 419gr .940 BC bullet on top and this is a tough combination to beat if it's in a long barrel. I want to see what it will do in a 40" tube! The 50 caliber version looks pretty awesome too if the velocities are up at 3000fps with a 750gr A-Max too. The energy at 2000yds is just HUGE and it's just as flat too. I'm not sure what part was thickened over the 505 Gibbs to make it stronger as I've never examined the 505 Gibbs case personaly, but it looks plenty strong. I wonder if the brass from Mast Tech. is harder than Normas 416 Wby or Rigby stuff? Dimentions seem to mimmick that of the 416 Rigby pretty close giving a little edge to the Rigby in thickness at the web,lower shoulder and necks. They are very close except for size, the Rigby looks like a 338RUM next to it though. The shoulder seems to be a little shallow at about a 20° angle, but for the auto loader which it might be used for it would feed better this way, for me it would get a 30-40° shoulder angle if it were of an improved desighn. Warren definitly has a winning cartridge here. And when better powders become available it will just get better and better. [/QUOTE]
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408 Cheytac Brass
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