This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases.

• This ammo is for cartridge size 10mm Auto.
• The bullet is made from Copper, Lead.
• The diameter (caliber) of this bullet is 0.4.
• This bullet weighs 135 grains.
• This bullet leaves the barrel at 1600 feet per second.
• The ammo case is made from Nickel Plated Brass.
• This ammo is a proven round for hunting.
• The bullet in this product does contain lead.
• This round is designed to be supersonic and travels faster than the speed of sound.
• The muzzle energy of this ammo is 768 ft lbs.
• This product has been designed to be an effective choice for the ultimate in self-defense applications.
• The bullet in this product has a Sectional Density, (SD) of 0.120535714285714. SD is the ratio of an object's mass to its cross sectional area with respect to a given axis. It conveys how well an object's mass is distributed (by its shape) to overcome resistance along that axis.
• This ammo IS SAFE to use in a suppressor.
• The bullet in this ammo has a ballistic coefficient (G1) of 0.093 - Generally, the higher the coefficient, the more stable the projectile will be in flight.
• Each box of ammo contains 20 loaded pieces of ammunition.
• This ammo is manufactured by Underwood Ammo