Fired from the P90, the SS190 propels a 2.0-g (31 grain) bullet at a muzzle velocity of roughly 715 m/s (2,350 ft/s).
A 65 grain bullet (3000FPS) at 100 yards (91.4 m) will drop two inches, but at 500 yards (457.2 m) will only drop three feet.
An example for a.223 (each caliber and rifle will behave differently): a 42 grain bullet (3700 FPS) at 100 yards (91.4 m) will drop (with no sight-zero) about an inch and a half.
"The only grain we feed them is either a 130- or a 150-grain bullet," Shane Benoit said.
For general practice you can use FMJ to keep it cheap, but consider using the same weight (grains) bullets and, if possible, the same load (Standard, +P, etc) because rapid-fire cycles can change drastically with different weight and loads.
"It should be recognized that a half-ounce (200-grain) bullet is unlikely to stop a 4,000-pound 4,000-poundcle, and if the driver … is disabled by a bullet, the vehicle will becomovingotally unguided threat," it says.
Ingrid got her kill, for example, with a Dakota Traveler 7mm magnum firing a 175 grain Swift A-frame bullet.
It used a 1.8 g (28 grain) hollow point bullet with a copper jacket and an aluminum core.
In "Jarhead," the best parts of which did cross into that terrain, Swofford describes a type of ammunition called a "boat-tail round," which contains a high-grain, match-quality bullet with an aerodynamic shape designed to achieve maximum accuracy.
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It featured a lead core 2.6-g (40 grain) Hornady V-Max bullet which it propelled at a muzzle velocity of roughly 500 m/s (1,650 ft/s) when fired from the Five-seven.
