Jacketed Hollow Point bullet. Standard 2 piece bullet construction designed for reliable feeding and function in a wide variety of firearms. An excellent defensive projectile.
Hard hitting ammo for the price, very clean and no filling.
I run these jacketed hollow points in my personal defense carry pistol, a 10-mm Tanfoglio Large-Frame Witness upgraded with a Henning Group stainless-steel cone-design guide rod, brass shock buffer, and 16-lb Wolff recoil spring total spring force in a 4.5-in Witness barrel is 18 lb. The S&B 180-grains 10-mm JHPs are slightly larger than other 10-mm defensive cartridges, as only 13 will fit in Tanfoglios 14-round 10-mm magazine, while 14 x 10-mm Fiocchi or MagTech JHPs will fit. With the upgraded 18-lb total-force Wolff recoil spring, the 4.5-inch 10-mm Witness reacts quickly, and allows for slightly faster follow-up shots.
The S&B JHPs seem to group more consistently than its FMJ counterpart, and is slightly more accurate, with impacts landing where I aim. A bulls eye hold at a 25-yard target impacts at point-of-aim, while hotter MagTech JHPs flying at 1230-f/s from a 5-in barrel require a slightly higher hold to impact at point-of-aim. I can't explain why that is, but I'm glad a bulls eye hold works with this ammo in this gun--a perfect match.
While running hotter loads in a 4.5-inch 10-mm Witness will work--the 4.5-inch barrel length is not enough to take full advantage of the muzzle velocity--and the recoil is significantly higher than with the lighter S&B JHP load 1164-f/s from a 5-inch barrel. If you have a 4.5-inch Tanfoglio Large-Frame 10-mm Witness, buy this ammo--it runs perfectly fine in the stock 10-mm Witness 14-lb recoil spring, guide rod, sans shock buffer, but the pistol will run a LOT better with the Henning and Wolff gun parts upgrades.