Thursday, January 03, 2013

Jesus! Winchester is making a rimfire round that goes 3000 fps!


This is for my non-gun readers.  The 5.56mm NATO round (SS109) leaves the barrel of a M-16A4 at 3100 feet per second.

Winchester is about to put on the market a .17 Winchester Super Magnum that goes 3000 feet per second.

Do you know what that means?  It means that you're almost getting combat rifle performance out of a rimfire round (spare me the difference in bullet size and weight...you know I'm talking shot placement and a flat shooting rimfire on a nice trajectory out to distance never seen in a bullet of this type before).

Read about it here at Guns Holsters and Gear.

NOTE:  Lets assume a modest effect range of 200 yards on a windless day.  This round has applications for urban sniping.  Even without a suppressor its report will be much less than a 5.56 or .308 and with the speed that its going with a proper bullet core it should be able to penetrate at least 1st gen PASGT helmets.

6 comments :

  1. with enough velocity bullet size to an extent becomes less relevant does it not? einsteins e=mc^2 is relevant here, by increasing velocity (c) you get an increase in energy even with less mass. i am not a weapons expert thats why asking.

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    1. More or less. That's the basic logic behind the Navy's "rail gun"

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    2. i'm glad you answered Steven cause to be honest I had no clue. what i do know is that i've had shot placement, shot placement, shot placement screamed into my ear since i got out of pampers. they don't like to waste ammo in the country!

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    3. To quote Wikipedia,

      For example, in the late 2000s, the U.S. Navy tested a railgun that accelerates a 3.2 kg (7 pound) projectile to approximately 2.4 kilometres per second (5,400 mph).[4] They gave the project the Latin motto "Velocitas Eradico", which is Latin for "I, [who am] speed, eradicate", but may have been intended as "Speed kills" or similar.

      http://en.wikipedia.org/wiki/Railgun

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  2. Wrong Formula (e=mc^2 is the energy = mass formula used in nuclear reactions).

    The kinetic (impact) energy formula is 1/2mv^2. The key here being that the velocity is squared which means that double the speed = 4 times the energy.

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    Replies
    1. I knew it was the wrong formula, i mean "c" is a _constant_ after all, but honestly didn't know the correct one. Danke.

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