3sixbits
.224 member
Reged: 11/07/07
Posts: 41
Loc: Alaska
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I would like some input/suggestions on an action for this round.
Duce
Any thoughts?
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watto
.275 member
Reged: 10/06/07
Posts: 90
Loc: Victoria,Australia
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How about a re-barrel on a 105mm Howitzer?
On a more serious note, having looked at their site, ballistics and recoil etc, it will take some handling!
Ian.
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3sixbits
.224 member
Reged: 11/07/07
Posts: 41
Loc: Alaska
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I think this is where the gun bearer would have to comeback into favor, I would think of something in the 30 to 35 lbs would probably handle it OK.
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Smokinjoe
.275 member
Reged: 04/05/05
Posts: 53
Loc: USA
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Let's see.........454 foot pounds in a 31 pound rifle. Might be easier to just step in front of a bus.
--------------------
"This country, with its institutions, belongs to the people who inhabit it. Whenever they shall grow weary of the existing government, they can exercise their constitutional right of amending it or their revolutionary right to dismember it or overthrow it."-- Abraham Lincoln
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smicha6551
.275 member
Reged: 09/08/05
Posts: 88
Loc: NYC & Kuwait
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Has anyone heard of these folks? Are they legitimate? The only action that I can think of that's big enough would be an M79.
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smicha6551
.275 member
Reged: 09/08/05
Posts: 88
Loc: NYC & Kuwait
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Here you go:
http://www.mr40mm.com/index_files/Page571.htm
No idea if it's strong enough - probably not.
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3sixbits
.224 member
Reged: 11/07/07
Posts: 41
Loc: Alaska
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I've shot the M-79 a lot, not that much recoil really. Of course the ammo was free at that time.
In a reply to my e-mail they said they have an action in the works, but no posting on their web-site.
You did notice the buffers they sell, that should length the recoil time and greatly reduce the felt recoil.
Maybe a fellow could achieve the same kind of performance that JOHN TAYLOR wrote about, when he borrowed that old ML double at the end of WW11 when he could not find ammo. The old fellow he got the gun from cautioned him from loading both bores because it doubled, TAYLOR forgot and loaded both and was on the spoor of a huge old bull elephant. It seems when he let go on the old bull the gun flew from his hands, he went flying as the smoke cleared, he noted the old bull had fallen away from the shot. This had never happened to him, as they always fell towards the gun. He felt the bull had been picked up off his feet at the impact of the two shots.
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xausa
.400 member
Reged: 07/03/07
Posts: 2037
Loc: Tennessee, USA
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For those not familiar with it, the M-79 is (was) a Vietnam Era grenade launcher which used a so-called "high-low pressure chamber" to hurl a 40mm grenade very accurately toward its target. Inside what looked like a very short and fat metallic shotshell case, the M-79 had a small chamber connected directly with the primer, which contained the propellant.
When the primer was activated, the propellant ignited, built up pressure, and ruptured the covering under a series of vents in the chamber, releasing the propellant gases into the much larger case and at the same time allowing the high pressure to subside (hence "high-low"). The relatively low pressure propelled the grenade down the rifled barrel, imparting a spin which armed the grenade after it had travelled far enough from the firer to be relatively harmless.
Unlike the WW II and Korean War "pineapple" grenade, the 40mm was smaller, lighter, ovoid and had a light metal casing. Inside the casing was an ovoid coil spring, conforming the the shape of the casing. The wire of this coil spring was notched at short intervals, causing it to fly apart in a vast number of tiny projectiles upon detonation of the explosive charge. The result was a cloud of tiny projectiles, fatal to those nearest the explosion, but harmless to those further away.
During my tour in Vietnam, we had one instance of a VC suspect being brought in with an unexploded M-79 grenade lodged in his back. The hospital team surrounded him with sandbags and gingerly removed the grenade, at great personal risk to the surgical staff.
Another VC suspect was found dead with an unexploded M-79 round planted squarely in his forehead.
Finally, one unfortunate gomer was standing in the chow line, with his loaded M-79 slung over his shoulder muzzle down. For some reason which has never been satisfactorily explained, the M-79 discharged accidentally, causing the grenade to burrow into the ground next to the foot of a gunnery sergeant, who happened also to be standing in line. Not for long.
The grenade did not explode. The gunnery sergeant did. The unfortunate Marine received an emphatic lesson in weapons handling on the spot, one which he was unlikely to forget.
To my knowledge, the M-79 has never been used as a hunting weapon.
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