| 词条 | .242 Rimless Nitro Express |
| 释义 |
|name= .242 Rimless Nitro Express |image= |caption= |origin= United Kingdom |type= Rifle |designer= Kynoch |design_date=1923 |manufacturer= |production_date=1923 |number= |variants= |is_SI_specs= |parent= |case_type=Rimless, bottleneck |bullet=.253 |neck=.281 |shoulder=.405 |base=.465 |rim_dia=.465 |rim_thick= |case_length=2.38 |length=3.2 |rifling= |primer=.217/54 |is_SI_ballistics= |bw1=100 |btype1= |vel1=2800 |en1=1740 |bw2= |btype2= |vel2= |en2= |bw3= |btype3= |vel3= |en3= |test_barrel_length= |balsrc=Cartridges of the World.[1] }} The .242 Rimless Nitro Express, initially called the .242 Manton was a rimless bottleneck centerfire rifle cartridge developed by Kynoch for J. Manton & Co of Calcutta and introduced in 1923. The .242 Rimless is very similar to the .243 Winchester in performance, although the cartridge is significantly longer. It fired a 100 gr projectile at 2800 fps.[1] See also
References1. ^1 Frank C. Barnes, Cartridges of the World, Gun Digest Books, Iola, 2012, {{ISBN|978-1-4402-3059-2}}. External links
2 : Pistol and rifle cartridges|British firearm cartridges |
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