10mm ammunition provides a flat trajectory and high muzzle energy, making it ideal for self-defense, target shooting and small-game hunting. Bullet weights range from 135 to 200 grains, with full metal jacket (FMJ) loads perfect for cost-effective range practice and hollow point cartridges engineered for reliable expansion. Muzzle velocities can exceed 1,300 fps and energy levels surpass 500 ft-lbs, offering a balance of manageable recoil and impressive stopping power. At Sportsman’s Outdoor Superstore, you’ll find 10mm ammo in bulk packs and individual boxes, compare top brands by grain weight and bullet type, and buy 10mm cartridges online for competitive pricing and fast shipping.