Out of stock
SKU: A438
UPC: 816874021344
MPN: 438
The Underwood 45 Win Mag 230gr XTP JHP 20 rounds per box is a purpose-built magnum pistol load engineered for hunters, competitive shooters, and duty personnel requiring maximum stopping power and energy transfer. Chambered in the potent .45 Winchester Magnum cartridge, this ammunition delivers ballistic performance that exceeds standard .45 ACP offerings while maintaining compatibility with dedicated .45 Win Mag platforms. The 230-grain projectile weight represents the optimal mass for this caliber, balancing velocity retention and terminal performance across intermediate distances.
Each round features a jacketed hollow point (XTP) design that initiates controlled expansion upon impact, maximizing wound cavity while minimizing over-penetration risk in defensive scenarios. Underwood's quality brass casings ensure consistent chamber fit and reliable extraction, critical for semi-automatic platforms where feeding reliability is non-negotiable. The load generates 1,600 feet per second muzzle velocity with 1,307 foot-pounds of muzzle energy—metrics that place this round well above defensive baseline standards and into the realm of serious hunting and sport shooting applications. The XTP bullet construction creates predictable, reliable expansion characteristics that have proven effective across varying barriers and target media.
This ammunition is best suited for shooters who own purpose-built .45 Win Mag pistols, including platforms like the Magnum Research Desert Eagle and select Dan Wesson revolvers—firearms specifically chambered to handle this magnum-class ballistic envelope. The 20-round box format allows efficient storage and field use without excessive bulk, and the 10-box case (200 rounds total) supports both recreational and professional training regimens. Function is optimized through Underwood's strict quality control and consistent powder charge methodology, ensuring minimal shot-to-shot velocity variation and superior accuracy potential for both paper and practical applications.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.