Speer Gold Dot .22 Winchester Magnum Rimfire 40 Grain Gold Dot Hollow Point Short Barrel Rimfire Ammo 50 Rounds. Speer Gold Dot Short Barrel 22 WMR is designed to work in barrels as short as 2 inches and transforms the cartridge into a legitimate self-defense option. The rounds expand reliably and penetrate to depths needed to stop a threat.Features:Maximum performance in barrels as short as 2 inchesReliable feeding in sub-compact handgunsConsistent expansion and penetrationGold Dot hollow point bullet Specifications for Speer Gold Dot .22 Winchester Magnum Rimfire 40 Grain Gold Dot Hollow Point Short Barrel Rimfire Ammunition: Manufacturer: Speer Caliber: .22 Winchester Magnum Rimfire Number of Rounds: 50 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 40 grain Cartridge Case Material: Brass Muzzle Velocity: 1050 ft/s Application: Self-Defense Package Type: Case Primer Style: Rimfire Features of Speer Gold Dot .22 WMR 40gr. HPSB Handgun Rimfire Ammunition - 50 Rounds Maximum performance in barrels as short as 2 inches Reliable feeding in sub-compact handguns Consistent expansion and penetration Gold Dot hollow point bullet Package Contents: Speer Gold Dot .22 Winchester Magnum Rimfire 40 grain Gold Dot Hollow Point Short Barrel Rimfire Ammunition What is Speer Gold Dot .22 Winchester Magnum Rimfire 40 Grain Gold Dot Hollow Point Short Barrel Rimfire Ammunition good for? The manufacturer says that it is good for self-defense.Speer 954: Gold Dot .22 Winchester Magnum Rimfire 40 Grain Gold Dot Hollow Point Short Barrel Rimfire Ammo 50 Rounds