Doubletap Ammunition 38 Special 148 Grain Controlled Expansion JHP Brass Cased Pistol Ammo 20 Rounds. 38 Special really perform like it should There is virtually no muzzle flash. For those of you who carry a 38 Special this is an excellent defensive load. Specifications for Doubletap Ammunition 38 Special 148 Grain Controlled Expansion JHP Brass Cased Pistol Ammunition: Manufacturer: Doubletap Ammunition Caliber: .38 Special Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 148 grain Cartridge Case Material: Brass Muzzle Velocity: 1050 ft/s Package Type: Box Included Accessories: None Primer Style: Centerfire Package Contents: Doubletap Ammunition 38 Special 148 Grain Controlled Expansion JHP Brass Cased Pistol Ammunition Doubletap Ammunition 38SP148CE: 38 Special 148 Grain Controlled Expansion JHP Brass Cased Pistol Ammo 20 Rounds