My dream plinking .22

[natedog]

This is my dream for a plinking .22:

Start with a full auto 10/22 with a high ROF- somewhere around 800-1100 RPM (I know, '86 MG ban :banghead: ).

Convert it to a belt fed(I don't know if this is even possible).

Put a super-bull barrel on it (like 1 1/2" thick)

Insulated hand guards

Get a manufactuer of .22 bulk packs to sell a variety of pre-linked ammo, packed in SAW-like plastic ammo boxes that clip onto the bottom of the rifle

Have fun!

 

[Sactown]

Checkout these guys. Not quite a 10/22.

Lakeside Guns

 

[DougCxx]

The barrel would absorb and hold too much heat.
If you load up about four 30-round magazines with regular 22LR ammo and fire them off as quickly as possible, the barrel begins to lead up, from the bullets partially melting when chambered. Then when you stop shooting and let the gun cool down, you spend about a half an hour knocking a tube-shaped piece of lead out of the forward-chamber area with a brass rod.

....It's the curse of unjacketed lead bullets..... I dunno how well jacketed 22LR would do, I've never heard of any. "Copper" 22LR bullets are powder-washed, not jacketed.
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You could maybe use jacketed 22WMR ammo or (even better for such a purpose I thinks) 17HMR, which is all jacketed. But even then you'd want it to fire from open-bolt, and have a thin barrel with huge milled integral heat fins on the breech-end half, if not along the whole length.
~

 

[rust collector]

Or put a water cooled jacket on.

Can you imagine anything more tedious than linking up 10,000 or so 22LR?

You may be better off building a mini gatling with feed hopper. I have seen some sweet small scale gatlings, but don't know if they were 22LR or not. I suppose you may as well add a motor a la GE minigun while you're at it. Get one demo perking and the Shotgun News crowd will beat a path to your door.