I was researching the .45-.70 Government ballistics when I came across this monster.


The .950 JDJ cartridge drives its aforementioned 3,600 gr bullet at approximately 2,200 ft/s.

This yields a muzzle energy of 38,685 ft·lbf.<sup id="cite_ref-Airborne_0-1" class="reference"></sup>

For comparison, the 5.56x45 cartridge, used in the M16 rifle, produces approximately 1,200–1,300 ft·lbf.

The .308 Winchester, a favorite for hunters and medium-range police/military sniping, produces between 2,000–3,000 ft·lbf depending on the load used.

In a 110 lb rifle, this will develop well over 200 ft·lbf of free recoil energy if an efficient muzzle brake is not used.

This is far beyond the shoulder-firing capacity of nearly all humans, even without considering the difficulty of shouldering such a heavy rifle.

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I do believe that one crosses the threshold from rifle to cannon.

Isn't that number 20mm?

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Looks like an 80mm root beer to me.

I'd say 20mm is usually the accepted demarcation from rifle to cannon...but somehow this rifle was granted a NFA 'sporting purpose' exemption.

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Polish anti-tank gun?

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What's on your mind, if you will allow the overstatement?
Fred Allen

Principles, which are based on truth, are constant and timeless; philosophies and policies are variable and changing and are based upon theories, circumstances and opinion.

Wow.

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^^

THIS!

its awesome looks like heavy great armor....heavy cannon!!