Glock Talk
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12-22-2012, 11:58
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#1
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She's right.
Join Date: May 2010
Location: Running from the Big Dog
Posts: 1,664
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Swapping barrels on Rem 870 HD model
Like the title says, I've got the HD 870 w/18 inch open choke barrel.
I want to put a 20 inch barrel w/rifle sights on it.
The shotgun has the magazine extension. The magazine extension screws into/out of the barrel nut.
Before I attack the barrel nut with tools, does the barrel nut screw off the magazine like the magazine cap on my 870 Wingmaster?
thanx
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12-22-2012, 12:03
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#2
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Senior Member
Join Date: Apr 2009
Location: Ohio
Posts: 5,242
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Maybe this might be of help to you. 
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12-22-2012, 12:35
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#3
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She's right.
Join Date: May 2010
Location: Running from the Big Dog
Posts: 1,664
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Thanx. I made the swap. Now, I'm curious. How critical is it to reinstall the barrel/magazine clamp?
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12-22-2012, 12:41
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#4
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Senior Member
Join Date: Apr 2009
Location: Ohio
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If possible, I would attempt to put it on. Since, it is a pump action, there could be stress on the magazine tube from working the forearm back and forth. I have only seen semi auto shotguns without the support clamp. But the forearm is stationary.
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My goal is to survive. Whatever the problem might be.
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12-22-2012, 19:39
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#5
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Senior Member
Join Date: Mar 2003
Location: Commonwealth of Virginia
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Quote:
Originally Posted by teumessian_fox
Thanx. I made the swap. Now, I'm curious. How critical is it to reinstall the barrel/magazine clamp?
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The biggest thing the clamp does is keep the mag extension from unscrewing.
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"If your plan is for one year, plant rice.
If your plan is for ten years, plant trees.
If your plan is for one hundred years,
educate children." -- Confucius
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12-23-2012, 23:39
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#6
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Senior Member
Join Date: Mar 2005
Location: Ohio
Posts: 278
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And it will unscrew so you definitely want to put the clamp back on.
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12-24-2012, 09:12
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#7
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Senior Member
Join Date: Jan 2010
Location: Shreveport, La.
Posts: 1,417
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Teusmessian Fox, check your PM's...
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12-24-2012, 11:33
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#8
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The Cooler
Join Date: Aug 2005
Location: Rocking the Casbah
Posts: 1,705
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With a high quality extension it's not going to come losse any more than the magazine cap itself. Wilson, Vang and others come to mind. There's no rash of magazines caps coming loose but if it is a worry, torque on it before your session.
From my years of shooting, unless you need an attachment point, the clamp is not needed unless you purchased substandard parts and why would anyone do that.
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"Of every 100 men that go to battle 70 should not even be there, 20 are nothing but targets, 9 are true soldiers, and we are lucky to have them for they the battle make but ONE, one is a warrior, and HE will bring the others home." Hericlitus
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12-24-2012, 18:15
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#9
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Senior Member
Join Date: Apr 2011
Location: Carolina
Posts: 2,046
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Quote:
Originally Posted by Buffering
With a high quality extension it's not going to come losse any more than the magazine cap itself. Wilson, Vang and others come to mind. There's no rash of magazines caps coming loose but if it is a worry, torque on it before your session.
From my years of shooting, unless you need an attachment point, the clamp is not needed unless you purchased substandard parts and why would anyone do that.
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+1
If you go to a 3 gun match in your local area you'll see guys running 3-5 (or more) extensions and the vast majority don't run clamps. When I was new to shotgunning I was surprised by it too...
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12-25-2012, 03:56
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#10
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Senior Member
Join Date: Mar 2003
Location: Commonwealth of Virginia
Posts: 23,129
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Quote:
Originally Posted by Buffering
With a high quality extension it's not going to come losse any more than the magazine cap itself. Wilson, Vang and others come to mind. There's no rash of magazines caps coming loose but if it is a worry, torque on it before your session.
From my years of shooting, unless you need an attachment point, the clamp is not needed unless you purchased substandard parts and why would anyone do that.
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It is my understanding that many of the newer 870 express models do not have the detent ball on them. With a mag extension they can come unscrewed.
posted from my stupid smart phone, please excuse any spelling mistakes.
__________________
"If your plan is for one year, plant rice.
If your plan is for ten years, plant trees.
If your plan is for one hundred years,
educate children." -- Confucius
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12-25-2012, 10:21
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#11
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The Cooler
Join Date: Aug 2005
Location: Rocking the Casbah
Posts: 1,705
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You are correct, depending on 870 model. If one doesn't want to have a ball detent installed, you can use the stainless wave washer sold by Brownells. It's listed for the 1100/11-87 but it fits the 870 too. I have not heard of extensions coming loose using that washer although I'd like to hear about it if someones has actually experienced the looseness.
__________________
"Of every 100 men that go to battle 70 should not even be there, 20 are nothing but targets, 9 are true soldiers, and we are lucky to have them for they the battle make but ONE, one is a warrior, and HE will bring the others home." Hericlitus
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12-27-2012, 17:47
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#12
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Senior Member
Join Date: Jul 1999
Location: Hoquiam, WA USA
Posts: 2,613
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Myself, I think that a shotgun with a magazine extention looks "nekkid" without a magazine/barrel clamp installed.
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