By Tom McHale
Tom says Ballistic Coefficient & Bullet Math is simple, keep reading to learn some shooting skills in our new long-range shooting science series.
The other is a 150-grain Sierra Matchking. It’s a jacketed bullet with a tiny hollow-point, non-expanding design. The base is a boat-tail shape. It’s great for accurate target shooting. Now, let’s launch them both at 2,750 feet per second from a Sierra Bullet Blaster 7000 rifle and see what happens.
After running the trajectory numbers based on atmospheric conditions here where I live in South Carolina, we get the following results.
|Sierra .308 150-grain FP||Sierra .308 150-grain Matchking|
|Muzzle Velocity||2,750 fps||2,750 fps|
|Velocity, 100 yards||2,379 fps||2,510 fps|
|Velocity, 500 Yards||1,334 fps||1,649 fps|
|Velocity, 1,000 yards||868 fps||1,029 fps|
|Muzzle Energy||2,543 ft-lbs||2,534 ft-lbs|
|Energy, 100 yards||1,885 ft-lbs||2,098 ft-lbs|
|Energy, 500 yards||592 ft-lbs||906 ft-lbs|
|Energy, 1,000 yards||251 ft-lbs||352 ft-lbs|
|Bullet Drop, 100 yards||0.00”||0.00”|
|Bullet …Read the Rest
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