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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Effects of Rifle Canting on LR Accuracy
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<blockquote data-quote="Brent" data-source="post: 28652" data-attributes="member: 99"><p>Here's a chart from 0-100yds with the rifle held with 90 degrees of cant, 308 win 175gr SMK at 2600 fps.</p><p></p><p>CALIBER: 308 Win</p><p>MUZZLE VELOCITY: 2600 fps</p><p>BULLET WEIGHT: 175 gr.</p><p>BALLISTIC COEFFICIENT: 0.505</p><p>SIGHT HT.: 0 in. (1.8"/90°) -Note the scope is level with the bore and is at 0 in. with the 1.8" hight at 90 degrees.</p><p></p><p>ZEROED AT: 100 Yds.</p><p>INCLINE ANGLE: 0 deg.</p><p>WIND: 0 mph</p><p>STANDING TARGET</p><p>ATMOSPHERE: Std. 300 ft. </p><p> 59° F./300 ft./29.53 in. HG/78% R.H.</p><p>'G1' STANDARD FLAT BASE</p><p></p><p>Range- Vel.- Energy- Drop- Path---- Defl.--- Time- Lead-</p><p>Yards- fps- Ft.Lbs.- Inches- Inches- Inches- Sec.- Inches-</p><p></p><p>00 2600 2627 0.00 0.00 -1.80 0.000 0.0</p><p> </p><p>10 2582 2591 0.03 -0.03 -1.52 0.012 0.0</p><p> </p><p>20 2565 2556 0.10 -0.10 -1.25 0.023 0.0</p><p> </p><p>30 2548 2522 0.23 -0.23 -0.97 0.035 0.0</p><p> </p><p>40 2530 2488 0.42 -0.42 -0.69 0.047 0.0</p><p> </p><p>50 2513 2454 0.66 -0.66 -0.42 0.059 0.0</p><p> </p><p>60 2496 2420 0.95 -0.95 -0.14 0.071 0.0</p><p> </p><p>70 2479 2387 1.30 -1.30 0.14 0.083 0.0</p><p> </p><p>80 2462 2354 1.71 -1.71 0.41 0.095 0.0</p><p> </p><p>90 2445 2322 2.17 -2.17 0.69 0.107 0.0</p><p> </p><p>100 2428 2290 2.69 -2.69 0.97 0.119 0.0</p><p></p><p> </p><p></p><p></p><p>TRAJECTORY DOES NOT CROSS THE LINE OF SIGHT</p></blockquote><p></p>
[QUOTE="Brent, post: 28652, member: 99"] Here's a chart from 0-100yds with the rifle held with 90 degrees of cant, 308 win 175gr SMK at 2600 fps. CALIBER: 308 Win MUZZLE VELOCITY: 2600 fps BULLET WEIGHT: 175 gr. BALLISTIC COEFFICIENT: 0.505 SIGHT HT.: 0 in. (1.8"/90°) -Note the scope is level with the bore and is at 0 in. with the 1.8" hight at 90 degrees. ZEROED AT: 100 Yds. INCLINE ANGLE: 0 deg. WIND: 0 mph STANDING TARGET ATMOSPHERE: Std. 300 ft. 59° F./300 ft./29.53 in. HG/78% R.H. 'G1' STANDARD FLAT BASE Range- Vel.- Energy- Drop- Path---- Defl.--- Time- Lead- Yards- fps- Ft.Lbs.- Inches- Inches- Inches- Sec.- Inches- 00 2600 2627 0.00 0.00 -1.80 0.000 0.0 10 2582 2591 0.03 -0.03 -1.52 0.012 0.0 20 2565 2556 0.10 -0.10 -1.25 0.023 0.0 30 2548 2522 0.23 -0.23 -0.97 0.035 0.0 40 2530 2488 0.42 -0.42 -0.69 0.047 0.0 50 2513 2454 0.66 -0.66 -0.42 0.059 0.0 60 2496 2420 0.95 -0.95 -0.14 0.071 0.0 70 2479 2387 1.30 -1.30 0.14 0.083 0.0 80 2462 2354 1.71 -1.71 0.41 0.095 0.0 90 2445 2322 2.17 -2.17 0.69 0.107 0.0 100 2428 2290 2.69 -2.69 0.97 0.119 0.0 TRAJECTORY DOES NOT CROSS THE LINE OF SIGHT [/QUOTE]
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Effects of Rifle Canting on LR Accuracy
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