SKU: A120
UPC: 816874020323
MPN: 120
The Underwood 357 Mag 125gr FMJ ammunition is purpose-built for shooters who demand reliable, high-velocity performance in a versatile mid-range handgun cartridge. This 50-round box delivers consistent ballistics suitable for training, target work, and defensive applications across a wide range of .357 Magnum revolvers and compatible semi-automatic platforms. Law enforcement and civilian shooters alike depend on Underwood's quality control and performance specifications for predictable point-of-aim accuracy and minimal velocity variance shot-to-shot.
The 125-grain full metal jacket (FMJ) projectile is engineered to penetrate consistently while maintaining structural integrity through barriers common in real-world scenarios. Underwood's strict powder-charge tolerances and primer quality ensure uniform chamber pressures and muzzle velocities, critical for both accuracy and firearm reliability. The full metal jacket construction provides superior feeding reliability in semi-automatic platforms and reduces lead exposure during indoor range sessions—an important consideration for frequent shooters and professional training environments. This ammunition is loaded to standard pressure specifications, making it safe for all modern .357 Magnum firearms and many compatible handguns.
Professional shooters, law enforcement training programs, and civilian sport shooters benefit from the economical case pricing (10 boxes per case, 500 rounds total) without sacrificing quality or performance. The 125-grain weight class delivers optimal ballistic characteristics for mid-range target distances and provides flatter trajectories compared to heavier loadings, making follow-up shots faster and more accurate. Compatible with all standard .357 Magnum revolvers—including S&W, Ruger, Colt, and Taurus platforms—as well as certain semi-automatic pistols chambered for .357 Sig or dual-caliber designs. Store ammunition in a cool, dry location, and inspect rounds before loading for optimal safety and performance.
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.
