Underwood Ammo 45 Win Mag 255 Gr Hard Cast Flat Nose Ammo 20 Round box
Caliber: .45 Winchester Magnum
Bullet Type: Flat-Nose
Bullet Weight In GRAINS: 255 GRAINS
Cartridges Per Box: 20
Boxes Per Case: 10
RELOADABLE: Y
Manufacturer: Underwood Ammo
Model No: 439
Specification |
|
Value |
Caliber |
|
45 Winchester Magnum |
Weight |
|
255 Grain |
Bullet Type |
|
Lead |
|
|
|
MFG NO |
|
439 |
SKU |
|
5956228 |
UPC |
|
816874023447 |
The Below Information Has Been Provided From Our Gun Caliber Dictionary And Is Meant For Informational Purposes Only. It Is Not Intended to Describe The Unique Specifications For This Ammunition.
The 45 Winchester Magnum was introduced by Winchester in 1979. It is a powerful rimless cartridge using a .452-inch bullet with a case length of 1.572 inches. With a breech pressure about double that of the 45 ACP it propels heavier bullets at higher velocity--a 320-grain bullet at 1150 feet per second, yielding nearly 1000 foot-pounds of energy (double the 345 ACP). Originally designed for the Wildey pistol, financial difficulties precluded production and semiautomatic pistols 45 Winchester Magnum pistols have not been available. Thompson/Center offered it in Contender barrels and it proved an effective handgun hunting cartridge in that platform. Despite excellent performance the 45 Winchester Magnum is lapsing in near-obsolescence and seems unlikely to make a resurgence. —
Craig Boddington
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