Doubletap Ammunition Double Tap Hardcast Solid Handgun Ammunition .38 Spl 158gr SWC 1000 fps 50/ct 94A15274 DT. There is virtually no muzzle flash. For those of you who carry a 38 Special this is an excellent defensive load. Especially in the woods. Velocity: 1000fps / 4" Ruger GP-1001.875" bbl S&W - 900fps Bullet: Keith style SWC Hardcast Muzzle Energy: 351 ft. lbs. 4"284 ft. lbs. 1.875" Specifications for Doubletap Ammunition Double Tap Hardcast Solid Handgun Ammunition .38 Spl 158gr SWC 1000 fps 50/ct 94A15274: Manufacturer: Doubletap Ammunition Caliber: .38 ACP Features of Doubletap Ammunition Double Tap Hardcast Solid Handgun Ammunition .38 Spl 158gr SWC 1000 fps 50/ct: Deep penetrating and hard hitting Virtually no muzzle flash Excellent defensive load for 38 Special carriers Keith style SWC Hardcast bullet Package Contents: Doubletap Ammunition Double Tap Hardcast Solid Handgun Ammunition .38 Spl 158gr SWC 1000 fps 50/ct This loading is deep penetrating and hard hitting There is virtually no muzzle flash. For those of you who carry a 38 Special this is an excellent defensive load. Especially in the woods. Velocity: 1000fps / 4" Ruger GP-1001.875" bbl S&W - 900fps Bullet: Keith style SWC Hardcast Muzzle Energy: 351 ft. lbs. 4"284 ft. lbs. 1.875" DT38SP158HC