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The Winchester Super-X Silvertip consists of a 200-grain (13 g) pointed soft point bullet with an advertised muzzle velocity of 2,490 ft/s (760 m/s), and an advertised muzzle energy of 2,753 ft⋅lbf (3,733 J).
On the other hand, the proportions of .325 Winchester Short Magnum promote good internal ballistic efficiency that allows the .325 Winchester Short Magnum to fire shorter lighter bullets at slightly higher muzzle velocities whilst using less propellant than the classically proportioned 8×68mm – that has 5.58 ml (86 grains) H 2 O cartridge ...
Bullets are available in a very wide range of designs and weights ranging from 150 [10] to 300 grains. SAAMI pressure level is 64,000 psi. The .338 Winchester Magnum is capable of launching heavier bullets than the .30 caliber (7.62mm) cartridges. The most common bullets loaded for the .338 Winchester range from 200 gr (13 g) to 250 gr (16 g).
However, the lightweight .243 WSSM 55gr Ballistic Silvertip now outpaces Weatherby's offerings according to some. [5] Loading data from Western Powders puts the .240 Wby. Mag. at over 4,000 ft/s (1,200 m/s) with a 62 grain Barnes bullet.
The projectile was replaced in 1908 by the 9.61-gram (148.3 gr) Лёгкая Пуля (Lyogkaya pulya, "light bullet") spitzer bullet, whose basic design has remained to the present. The Lyogkaya pulya, or L-bullet, had a ballistic coefficient (G1 BC) of approximately 0.338 and (G7 BC) of approximately 0.185. [citation needed]
WSM and WSSM family of cartridges. From left to right: .223 WSSM, .243 WSSM, .25 WSSM, .270 WSM, 7 mm WSM, .300 WSM, .325 WSM. Winchester Super Short Magnum, or WSSM is a line of rebated bottlenecked centerfire short magnum cartridges introduced by the U.S. Repeating Arms Company (Winchester Inc). [1]
Based on Hodgdon reloading data typical velocities should range from approximately 4,000 ft/s (1,200 m/s) with a 58-grain (3.8 g) bullet to approximately 3,000 ft/s (910 m/s) with a 100-grain (6.5 g) bullet. [1] The percentage gain in performance over the older .243 Winchester is around 10% or less.
It is excellent for any North American big game in woods or brush, if the 250 grain bullet is used, but not especially suited to long range (400 yards and beyond) as a result of the need to use flat-nose bullets due to the Model 71's tubular magazine. Until Hornady's FTX flex tip pointed bullets, 300 yards with a good peep sight is a fairly ...