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-   -   Automatic barrel/chamber question (http://www.firearmstalk.com/forums/f26/automatic-barrel-chamber-question-38567/)

DarinCraft 02-16-2011 09:00 PM

Automatic barrel/chamber question
 
Ok I have a bit of a misunderstanding I want to sort out.

I have an 1100 and I want to understand barrel configurations.

A 2 3/4" chamber will shoot 2 3/4," but a 3" chamber will shoot 3" or 2 3/4."
Both of these will shoot field loads or magnum/high base loads.

However, a barrel chambered in MAGNUM will only shoot magnum loads and will not cycle field loads because of the smaller gas port correct?

Just to make sure, my brother wants to borrow my gun and put a 3" chambered barrel on it and shoot 2 3/4" field loads, but before he buys the barrel we want to make sure it will cycle.

Thanks
Darin

Virginian 02-17-2011 12:10 AM

A 3" barrel is a Magnum barrel. All 3" shells are Magnums. With 1100s, the 2-3/4" barrels have 2 gas ports, and the 3" barrels have one. Some magnums will function fine down to standard field loads, but in my experience most of them will need at least a heavy 1-1/4 ounce lead field load to work well, and some of them will not work with anything less than a 2-3/4" magnum load. No way to know until you try the gun/barrel combination.
The early Remington 3" Steel Shot barrels had a smaller gas port, but the shells were changing rapidly, and they quickly went to the same size gas port as the old 3" 1100 barrels.
Why does he want to get a 3" barrel to shoot 2-3/4" field loads?
I seem to remember you have a 20 gauge 1100. My LT20 gauge Magnum is a lot more finicky that the 12 gauges were with the 3" barrel. Works fine with a 2-3/4" chambered barrel though.

DarinCraft 02-17-2011 12:20 AM

I have no idea. He wants to shoot some God awful 34" trap barrel but with 2.75" shells.

Virginian 02-17-2011 08:45 AM

I'm pretty sure all those 34" Remington barrels had a 2-3/4" chamber, but I am not positive.


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