Rem 1100 muzzle bore and extension tube questions ??

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Rentprop1
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Rem 1100 muzzle bore and extension tube questions ??

Post by Rentprop1 » Sat Sep 29, 2012 9:14 pm

I'm not really a shotgun guy so I have some questions. TIA :ber

I picked up a second Rem 1100 pretty cheap, this older guy had a 28 inch Modified barrel cut down to 18.5 in order to shoot slugs , he died....never got around to shoot any, I measured the bore and got .720, I find a lot of stuff on the net about sizes being .729 and higher but it varies based on manufacturer ?? would you think that barrel will be safe to shoot slugs ??

second question, the gun is blued but it has a mag tube extension on it that is parked ( aftermarket ) , as it sits now it holds 6 + 1 , is this right ?? I figured that extension would make it 7 + 1, but the last round in the tube ( which would be # 7 if it is 7+1 ) only goes in about half the way ??
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In the days of the old west a 6 shooter was as common as cell phones are today and just annoying if they go off in a theater.

g.willikers
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Re: Rem 1100 muzzle bore and extension tube questions ??

Post by g.willikers » Sun Sep 30, 2012 8:17 am

It's a pity the previous owner cut the barrel down.
Lots of shotguns shoot slugs real well with a modified barrel.
Another possible problem with cutting them down is that the barrel might not be perfectly straight, throughout the entire length.
The manufactures go to great effort to make sure the muzzle and chambers are in perfect alignment, but not always the rest of the barrel.
A string of pellets doesn't seem to be affected like a bullet would.
So, a cut down one might not be accurate with point of impact vs point of aim.
Only one way to tell, though.
If it doesn't do so well with slugs, it should be just fine with buckshot.
But it should be safe with those dimensions, as slugs are pretty soft.
As to the question of whether the mag is a 6 or a 7, if it only holds 6..... guess what?
It's possible to replace the mag spring with one designed to be shorter when fully compressed to get the 7th one in it.
Probably not worth the effort of finding one for just one more round, though.
But don't cut this one down, as it might then be too weak to function the gun.
The shorter ones have less coils, but they are thicker to make up the difference.

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Rentprop1
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Re: Rem 1100 muzzle bore and extension tube questions ??

Post by Rentprop1 » Sun Sep 30, 2012 11:30 am

g.willikers wrote: It's possible to replace the mag spring with one designed to be shorter when fully compressed to get the 7th one in it.
Probably not worth the effort of finding one for just one more round, though.
But don't cut this one down, as it might then be too weak to function the gun.
The shorter ones have less coils, but they are thicker to make up the difference.
thanks I saw a YouTube vid where the guy talked about cutting the larger spring to make the rounds fit, but I rather have the function
I was more worried about the slugs, any difference or issue with sabot or rifled slugs ??
In the days of the old west a 6 shooter was as common as cell phones are today and just annoying if they go off in a theater.

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Re: Rem 1100 muzzle bore and extension tube questions ??

Post by cj5mrt » Sun Sep 30, 2012 1:35 pm

Rifled slugs in smooth barrels, sabots in a rifled barrel.
I can explain it to you, but I cannot understand it for you.

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