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The .20 Tactical is a wildcat centerfire rifle cartridge, based on the .223 Remington case, necked down to fire a caliber bullet. The .20 Tactical was designed by Todd Kindler and predates the .204 Ruger factory round. The case has approximately less powder capacity than the popular .204 Ruger. Handloaders can get velocities with projectiles that almost match the .204 Ruger. Furthermore the .20 Tactical is also able to achieve these velocities with less powder than the .204 Ruger by more efficiently using high energy propellants such as Alliant Reloader 7 and Winchester 748. Based on the .223 Remington, a wide selection of brass is available. Lapua produces high quality cases in .20 Tactical sold under the Dakota Arms brand. ==See also== *.204 Ruger *.20 VarTarg *.221 Fireball *.20 PPC *.20 BR * (Case Dimensions ) *5 mm caliber *List of rifle cartridges 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「.20 Tactical」の詳細全文を読む スポンサード リンク
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