. . "JHP"@en . . . . . . . . . . "529"^^ . "16.0"^^ . . "220"^^ . . . "The .300 Whisper, displayed center."@en . . "The .300 Whisper is a CIP standard cartridge in the Whisper family, a group of cartridges developed in the early 1990s by J.D. Jones of SSK Industries. It was developed as a multi-purpose cartridge, capable of utilizing relatively lightweight bullets at supersonic velocities as well as heavier bullets (200\u2013250 grains) at subsonic velocities. .300 Whisper is also sometimes known as .300 Fireball or .300-221, but the .300 Whisper is a CIP cartridge and other names are generally known as wildcat cartridges. When compared to .300 AAC Blackout this sentence from Steve Johnson\u2019s article in American Hunter sums it up best, \u201CGiven the fact that major manufacturers such as Hornady are building ammunition headstamped .300 Whisper and recommending it for use in either platform\u2014in addition to producing reloading dies that are marked \u201C300 Whisper/Blackout\u201D and Smith & Wesson stamps the barrel of its M&P-15 Whisper barrels with: \u201C300 Whisper/300 AAC Blackout\u201D it is safe to say that differences are minimal. \u201C. CIP has specifications for both .300 Whisper and .300 Blackout cartridges that are very similar, though all manufactures will recommend using the correct ammunition with the correct firearm."@en . "Rifle"@en . . . . "300"^^ . . . . . "Small rifle"@en . . "9.6"^^ . . . . . "Rimless, Bottleneck"@en . . . . . . . "1.14"^^ . . "0.221"^^ . "Le calibre .300 Whisper, connue aussi sous le nom de .300 Fireball ou .300-221, est une cartouche d\u00E9sign\u00E9e pour tirer des balles lourdes (200-250 grains) \u00E0 vitesse subsonique."@fr . "7290"^^ . "yes"@en . . . "O .300 Whisper tamb\u00E9m conhecido como .300 Fireball ou .300-221, um cartucho padr\u00E3o C.I.P., \u00E9 um dos muitos cartuchos projetados para disparar balas mais pesadas (200-250 gr\u00E3os) em velocidades subs\u00F4nicas. Hoje em dia, o .300 AAC Blackout \u00E9 o cartucho de calibre .30 mais bem-sucedido, com esses par\u00E2metros de design e foi amplamente aceito. Conv\u00E9m lembrar que armas projetadas para o .300 Whisper podem disparar com seguran\u00E7a o .300 AAC Blackout, j\u00E1 o contr\u00E1rio, n\u00E3o \u00E9 poss\u00EDvel."@pt . . . "United States"@en . ".300 Whisper"@fr . . "34.9"^^ . . . . . "8.460000000000001"^^ . "O .300 Whisper tamb\u00E9m conhecido como .300 Fireball ou .300-221, um cartucho padr\u00E3o C.I.P., \u00E9 um dos muitos cartuchos projetados para disparar balas mais pesadas (200-250 gr\u00E3os) em velocidades subs\u00F4nicas. Hoje em dia, o .300 AAC Blackout \u00E9 o cartucho de calibre .30 mais bem-sucedido, com esses par\u00E2metros de design e foi amplamente aceito. Conv\u00E9m lembrar que armas projetadas para o .300 Whisper podem disparar com seguran\u00E7a o .300 AAC Blackout, j\u00E1 o contr\u00E1rio, n\u00E3o \u00E9 poss\u00EDvel."@pt . "The .300 Whisper is a CIP standard cartridge in the Whisper family, a group of cartridges developed in the early 1990s by J.D. Jones of SSK Industries. It was developed as a multi-purpose cartridge, capable of utilizing relatively lightweight bullets at supersonic velocities as well as heavier bullets (200\u2013250 grains) at subsonic velocities."@en . . . "2626701"^^ . . . . "Le calibre .300 Whisper, connue aussi sous le nom de .300 Fireball ou .300-221, est une cartouche d\u00E9sign\u00E9e pour tirer des balles lourdes (200-250 grains) \u00E0 vitesse subsonique."@fr . . . "1040"^^ . . . . "c. 1990"@en . . . . . "1067158887"^^ . "9.539999999999999"^^ . "0.3"^^ . "7.82"^^ . . ".300 Whisper"@en . . . "9.140000000000001"^^ . . . . . "57"^^ . ".300 Whisper"@pt . . . "203.0"^^ . . .