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7mm STW range ???

 
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  #1  
Old 10-27-2003, 09:16 AM
 
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7mm STW range ???

What range should I be expecting from a 26" barrel w/ the 7stw? Does this caliber have enough to go 500 and beyond?

Thanks!
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  #2  
Old 10-27-2003, 09:31 AM
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Join Date: May 2001
Location: Lock Haven P.A.
Posts: 1,071
Re: 7mm STW range ???

Input Data
Muzzle Velocity: 3175.0 ft/sec
Ballistic Coefficient: 0.625
Drag Function: G1
Bullet Weight: 162 grains
Sight Height: 1.70 inches
Wind Cross Speed: 0 mph
LOS Angle: 0 degrees
Target Speed: 0 mph
Zero Range: 100 yards
Temperature: 39.6 F
Barometric Pressure: 29.92 in Hg
Relative Humidity: 50.0 %
Altitude: 1800 feet
Air Density: 103 % of Sea Level


--------------------------------------------------------------------------------

Calculated Table
Elevation: 3.347 moa
Azimuth: 0.000 moa

Range Velocity Energy Momentum Drop Windage Lead Time
(yards) (ft/sec) (ft-lbs) (lbs-sec) (moa) (moa) (moa) (sec)
0 3175.0 3626.0 2.28 --- --- --- 0.000
100 3008.1 3254.8 2.16 -0.0 0.0 0.0 0.097
200 2847.4 2916.3 2.05 -1.0 0.0 0.0 0.200
300 2692.5 2607.6 1.94 -2.7 0.0 0.0 0.308
400 2543.1 2326.3 1.83 -4.7 0.0 0.0 0.423
500 2399.1 2070.3 1.73 -7.0 0.0 0.0 0.544
600 2260.3 1837.6 1.63 -9.4 0.0 0.0 0.673
700 2126.1 1626.0 1.53 -12.1 0.0 0.0 0.810
800 1996.0 1433.0 1.44 -15.0 0.0 0.0 0.955
900 1870.8 1258.8 1.35 -18.2 0.0 0.0 1.111
1000 1750.8 1102.6 1.26 -21.7 0.0 0.0 1.276
1100 1636.6 963.5 1.18 -25.6 0.0 0.0 1.454
1200 1528.3 840.1 1.10 -29.8 0.0 0.0 1.643
1300 1427.1 732.6 1.03 -34.5 0.0 0.0 1.847
1400 1333.9 640.0 0.96 -39.7 0.0 0.0 2.064
1500 1250.1 562.1 0.90 -45.5 0.0 0.0 2.297
1600 1175.4 497.0 0.85 -51.8 0.0 0.0 2.545
1700 1112.7 445.4 0.80 -58.8 0.0 0.0 2.808
1800 1060.9 404.9 0.76 -66.6 0.0 0.0 3.084
1900 1017.6 372.4 0.73 -75.1 0.0 0.0 3.374
2000 980.8 346.0 0.71 -84.3 0.0 0.0 3.675
Here is a drop chart from the Data on my 7STW....If your gun is accurate enough.500 yard shots on anything in NA should not be a problem.. [img]images/icons/grin.gif[/img]
__________________
Boyd Heaton...
EAGLE VALLEY OFFROADERS CENTRAL,PA
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  #3  
Old 10-27-2003, 01:34 PM
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Join Date: Dec 2001
Location: Long Island, New York
Posts: 2,133
Re: 7mm STW range ???

Using Boyd's data chart and the widely accepted rule of thumb that it takes about 1,000 ft/lbs to humanely harvest a whitetail deer; you will be able to hunt deer out to +1,000 yards with your 7STW. [img]images/icons/rolleyes.gif[/img]

I normally limit myself to about 400yds with my 7STW because I download [img]images/icons/smile.gif[/img]

VH
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