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The Basics, Starting Out
Twist Rate Question
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<blockquote data-quote="Hugnot" data-source="post: 2694677" data-attributes="member: 115658"><p>Stuff on the 6mm 75 & 87 VMax</p><p></p><p>[ATTACH=full]421393[/ATTACH]</p><p></p><p>I never shot the 75 6mm VMax but have shot 1,000's of 6mm 87 VMax's.<u> I blew some 87's up from an 8 twist 6mm-06 at about 3,500 fps</u>. I usually shoot 87's out of my 10 twist 6mm AI & it is good for 600 yards plus at nice velocities just under 3,500 & ballistic data indicates the 87's pass 75's velocity about 400 or so. I re-barreled the 6mm-06 to an 8 twist 6.5-06 it shoots 95 VMax's fast enough as well as 140's.</p><p></p><p>RPM's of 324,000 for the 75 out of an 8 twist are spinning like crazy & good results would be uncertain.</p><p></p><p>Don't think the 6 CM could get 3700 with a 75 but if it could:</p><p></p><p>[ATTACH=full]421490[/ATTACH]</p><p></p><p>A 10 twist would probably save the 75 from blowing up.</p></blockquote><p></p>
[QUOTE="Hugnot, post: 2694677, member: 115658"] Stuff on the 6mm 75 & 87 VMax [ATTACH type="full" alt="Screenshot (538).png"]421393[/ATTACH] I never shot the 75 6mm VMax but have shot 1,000's of 6mm 87 VMax's.[U] I blew some 87's up from an 8 twist 6mm-06 at about 3,500 fps[/U]. I usually shoot 87's out of my 10 twist 6mm AI & it is good for 600 yards plus at nice velocities just under 3,500 & ballistic data indicates the 87's pass 75's velocity about 400 or so. I re-barreled the 6mm-06 to an 8 twist 6.5-06 it shoots 95 VMax's fast enough as well as 140's. RPM's of 324,000 for the 75 out of an 8 twist are spinning like crazy & good results would be uncertain. Don't think the 6 CM could get 3700 with a 75 but if it could: [ATTACH type="full" alt="Screenshot (539).png"]421490[/ATTACH] A 10 twist would probably save the 75 from blowing up. [/QUOTE]
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The Basics, Starting Out
Twist Rate Question
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