Doubletap Ammunition SnakeShot Defense 10mm Auto 205 Grain JHP Brass Cased Pistol Ammo 20 Rounds. This shotshell hollow point hybrid is perfect for defense against two-legged threats as well as blasting snakes and varmints. The 135gr JHP penetrates 10-12in inches in gel and expands to .65in making this load very effective for situations where low penetration is needed such as home defense. Not recommended for use with suppressors. Payload: 205gr (135gr JHP + 140CT #9 Shot) Specifications for Doubletap Ammunition SnakeShot Defense 10mm Auto 205 Grain JHP Brass Cased Pistol Ammunition: Manufacturer: Doubletap Ammunition Caliber: 10mm Auto Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 205 grain Cartridge Case Material: Brass Application: Personal Defense Self-Defense Package Contents: Doubletap Ammunition SnakeShot Defense 10mm Auto 205 Grain JHP Brass Cased Pistol Ammunition What is Doubletap Ammunition SnakeShot Defense 10mm Auto 205 Grain JHP Brass Cased Pistol Ammunition good for? The manufacturer thinks that it is good for self-defense personal defense.Doubletap Ammunition 10MMSS20: SnakeShot Defense 10mm Auto 205 Grain JHP Brass Cased Pistol Ammo 20 Rounds