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Old February 14, 2013, 01:13 AM   #64
Zak Smith
Senior Member
 
Join Date: December 12, 1999
Location: Fort Collins, Colorado, USA
Posts: 2,675
Quote:
one thing not mentioned. here. is the creed -(retains) moor energy past 1000 yds than does the 300mag.
Fail.

Code:
_Bullet_           _BC_ _MV_         0     500    1000    1500 | YARDS
300WM 210VLD      0.631 2850 >    2850    2187    1628    1213 | velocity (fps)
300WM 185Hyb      0.569 3025 >    3025    2268    1639    1186 | velocity (fps)
6.5 140           0.612 2820 >    2820    2143    1577    1172 | velocity (fps)

300WM 210VLD      0.631 2850 >    0.00   13.17   60.58  157.28 | wind (inches)
300WM 185Hyb      0.569 3025 >    0.00   13.58   63.37  167.28 | wind (inches)
6.5 140           0.612 2820 >    0.00   13.84   64.06  166.49 | wind (inches)
@ 1400 yards
300/210 685 ft*lbs
300/185 577 ft*lbs
6.5/140 426 ft*lbs

@ 1000 yards
300/210 1234 ft*lbs
300/185 1102 ft*lbs
6.5/140 772 ft*lbs

Even if you could fire a 140 at 3000 fps from a 6.5 CM, using the same conditions as above it would only retain 1702 fps at 1000 yards and still have 27% less energy.
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