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Old 07-30-2008, 09:18 PM
  #13  
zrexpilot
Nontypical Buck
 
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Join Date: Nov 2003
Location: Texas
Posts: 2,695
Default RE: .308 or .243

lets compare apples to apples
that 9" difference @ 500 yds
and what sheds less velocity- .243
and what sheds less energy--- .243






Cartridge Information




Index Number
Cartridge Type
Weight (grs.)
Bullet Style
Primer No.
Ballistic Coefficient

R243W3
Remington® Express®
100
Pointed Soft Point Core-Lokt®
9 1/2
0.356

R308W1
Remington® Express®
150
Pointed Soft Point Core-Lokt®
9 1/2
0.314



Velocity (ft/sec)




Cartridge Type
Bullet
Muzzle
100
200
300
400
500

Remington® Express®
100 PSP CL
2960
2697
2449
2215
1993
1786

Remington® Express®
150 PSP CL
2820
2533
2263
2009
1774
1560



Energy (ft-lbs)




Cartridge Type
Bullet
Muzzle
100
200
300
400
500

Remington® Express®
100 PSP CL
1945
1615
1332
1089
882
708

Remington® Express®
150 PSP CL
2648
2137
1705
1344
1048
810



Short-Range Trajectory




Cartridge Type
Bullet
50
100
150
200
250
300

Remington® Express®
100 PSP CL
0.1
0.7
zero
-2.0
-5.4
-10.4

Remington® Express®
150 PSP CL
0.0
zero
-1.2
-3.9
-8.4
-14.7



Long-Range Trajectory




Cartridge Type
Bullet
100
150
200
250
300
400
500

Remington® Express®
100 PSP CL
1.6
1.5
zero
-2.9
-7.5
-22.1
-45.4

Remington® Express®
150 PSP CL
2.0
1.7
zero
-3.4
-8.8
-26.2
-54.8
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