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20mm round. It's in a metal link to link the ammo together. Not an expert, but maybe for a Vulcan Cannon off an A-10?"If a man hasn't found something worth dying for, he isn't fit to live." - Martin Luther King Jr.
"Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety." - Benjamin Franklin
"You have to be willing to swing your nuts like a deadblow hammer to put these jackasses in their place." - AJAX22
"The best defense against usurpatory government is an assertive citizenry." - William F Buckley Jr.
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NRA Life Member
No posts of mine on Calguns are to be construed as legal advice, which can only be given by a lawyer.
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Awesome, thanks guys. 20mm pointed me in the right direction. Now if I could just get the gun that fires this round.......
Only $6800! Check this puppy out...
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I want to move to the state that lets you carry THIS monster:
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I agree on 20mm (measure the diameter of the boolit). That could be a a live round unless someone made the primer inert.
Assume the worst.
I have a 20mm dummy round at Aberdeen proving ground and it's one solid piece of aluminum (?) and is gold coloured.
I think it they were testing a 20mm cannon on the LAV when I got one.... (it was damaged slightly, so they handed me one).
The link is part of a chain (in a chain gun) that breaks off when the chain gun fires.Last edited by orangeusa; 09-21-2011, 9:12 PM.Comment
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- Rich

Originally posted by dantoddA just government will not be overthrown by force or violence because the people have no incentive to overthrow a just government. If a small minority of people attempt such an insurrection to grab power and enslave the people, the RKBA of the whole is our insurance against their success.Comment
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Probably 20mm from a LAV chain gun!
Measure and you'll know for sureNRA Endowment Life Member
USMC 2001-2012
Never make yourself too available or useful...... Semper Fidelis
John Dickerson: What keeps you awake at night?
James Mattis: Nothing, I keep other people awake at night.

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Not even close. The "chain" part of a chain gun refers to the chain that actually runs the gun. They are a single barreled machine gun that utilizes an electric motor, chain, and cogs to run the gun, as opposed to tapping gas off like an AR does or utilizing simple blow back or recoil like a 10/22 does. The main advantage being that if you have a dud round the weapon does not cease to operate, it keeps right on going and spits the dead round out on the ejection cycle.
Vulcans, mini-guns, gatling guns, are similar to chain guns in that they have an external power source to run the gun but they are all multi-barrel systems and chain guns are single barrels.
The "link" on the case is simply one link of the disintegrating link that holds a belt of ammunition together, just like the M-2 .50 cal, the M240, the 1919, etc.Comment
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I'm not a mil guy, just trying to let him know it may be a hot round. Which would worry me if I had one.Not even close. The "chain" part of a chain gun refers to the chain that actually runs the gun. They are a single barreled machine gun that utilizes an electric motor, chain, and cogs to run the gun, as opposed to tapping gas off like an AR does or utilizing simple blow back or recoil like a 10/22 does. The main advantage being that if you have a dud round the weapon does not cease to operate, it keeps right on going and spits the dead round out on the ejection cycle.
Vulcans, mini-guns, gatling guns, are similar to chain guns in that they have an external power source to run the gun but they are all multi-barrel systems and chain guns are single barrels.
The "link" on the case is simply one link of the disintegrating link that holds a belt of ammunition together, just like the M-2 .50 cal, the M240, the 1919, etc.
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Yeah, I'm going with 20mm. And I'm getting nervous now.....thinking back, the guy at the yard sale said, "They usually take the primer out of these, but I would still be careful..." What did he mean "usually"??? Something made him doubt that it was done???
Anyone want this Piece of History?
WTT/WTS 20mm LIVE round
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it looks like the projectile jacket is mild steel, it could be WWII productionwww.culinagrips.com
"custom grips for shooters by shooters"Comment
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