New Remmie for home defense

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Look back at post #15 and read it more closely. This is a HOME DEFENSE shotgun. I retired back in 2002 from the Sheriff's Dept. This gun isn't going to see ANY "level of punishment". It is going to reside in a gun safe in the scabbard unless it is being laid on the seat of my truck to be brought to the range or pulled out to blast a home intruder. I am NOT in the military. I am a RETIRED LEO. I am NOT going to be smashing boulders with it or going through all kinds of tactical training courses. Been there done that and got the arthritis to prove it. Stop with the inappropriate generalizations and assumptions already. :(

The clamp on the 870 Mark 1 is the ONLY clamp I would ever consider, and they are going for outrageous prices if you ever see one on E-Bay. I am NOT going to install a flimsy POS on the end of my barrel that does nothing but rub off the finish.
 
Here's a better look at the 870 Mark 1 version...

870trenchsmall.jpg


This mount grips the barrel and tube like a vice. It is the ONLY way I would go IF I wanted to reinforce the tube extension. As to wear marks inside the tube, I don't see how you WOUDLN'T get them from shells sliding back and forth over time. Those brass bases aren't really brass at all. They are brass plated STEEL. Don't think so? Put a magnet against them and see what happens.
 
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I have an 870 similar to yours, only mine came with no dimples, a 2 rnd extension, and an LE slide. I understand that yours will be subjected to little if any punishment; probably not as much as mine which currently serves as a trap gun at the range but afer a barrel switch adopts the HD role at home.

I also wish that I knew before firing the gun how easily that dang barrel clamp can loosen and mar the finish. Still, if occasionally checked and tightened it is fine; at least mine is.

Actually, I don't even use the barrel clamp since it is a PITA as frequently as I change barrels, which is usually twice a week, and it is easy to further mar the finish when sliding it off and on. Some would use it without the clamp, but I think that is foolhardy for the reasons Dave mentioned.

The Vang may be different, but if the factory extension is slightly off you can develop feed trouble.

If you haven't done anything about the dimples in your tube, you may wish to take a look at this. http://www.aiptactical.com/How-To_Videos.html Look at the one on installing a 2 rnd extension kit. JD advocates drilling the dimples out and then using a dremel for deburring.

Anyhow, Dave knows infinitely more than me and you seem to know everything, so enjoy your retirement.
 
Those brass bases aren't really brass at all
Click to expand...

THAT depends on the ammo being used

Personally, I have no need to add that much weight at the end of a gun and completely throw off any semblance of balance that gun might have had. However, if I felt it necessary, the extension would have a clamp, whether by the factory or by the likes of CDM Gear or similar to support it. Cantilevered devices tend to get bent and snagged very easily on the slightest of things
 
Love my 870

Some time ago I bought an 870 with an 18.5" barrel and a 7 round extension ($350).
My local range does not allow pistol grips so I bought a synthetic stock from eBay (NEW $30)
My local range does not allow any barrel shorter than 22", so I bought a new 28" barrel ($199).

So, for a total of $579, I now have a gun that can be put in multiple configurations from a short pistol grip 18.5" barrel to a full stock and 28" barrel for Sporting Clays! :D At home I keep it in the configuration you see in the right hand column center picture. Have a look:

Multi.jpg
 
Deputy, my pic shows the complete Remington Military and Police extension setup with FACTORY clamp. I will admit it is better than a TacStar. But Dave is correct. And it is simple physics -- those long extensions put ALOT of leverage on those thin tubes. So some manufacturers sell them without clamps. OK So what? You have to be extra careful! Doesn't mean that's a great idea or always possible. In fact, when not giving out a quota of parking tickets, for HD you ESPECIALLY want a clamp -- tight spaces under duress is exactly where you're gonna have challenges. But as a retired member of service you know that...

If you don't know what you are gonna be using your gun for I'd urge that you have a clamp on it even if that means using a barrel that'll get scratches from it -- it goes with the territory.

In fact, I am thinking seriously of keeping the two-round extension off of my short 590 A1 and keeping the single-round Vang-Comp on the for those very reasons -- the latter is really not much longer than the standard cap.
 
I have made my decision and am sticking with it. Again, I reference the two FACTORY shotguns with NO barrel clamps at all. Especially the Mossberg 930 SPX, which appears to be identical to what I have installed Look, if bent extensions were happening with these guns, don't you think there would be numerous reports of it a well as complaints to the factory? There aren't. The "leverage" put in these tubes is in a straight line. I do not keep my shotgun loaded 24 hours a day, so the only time any "leverage" would be on it is when I am ready to shoot it. The clamps I have seen so far are cheap POS clamps. Unless and until I find a clamp off an 870 Mark 1...NO CLAMPS. Period. :)

TheKlawMan: Dimples are gone. If I left them on it would still be a 5 shot as the follower would stop at the dimples. Good ol' Dremel took care of those little suckers ;) I don't know everything. But I know what I want and don't want. The search continues for the Mark 1 clamp. :D
 
"The "leverage" put in these tubes is in a straight line. I do not keep my shotgun loaded 24 hours a day, so the only time any "leverage" would be on it is when I am ready to shoot it."

Deputy, I won't say you have no idea what you're talking about, but it is obvious you have absolutely no idea what WE'RE talking about and readers can judge the rest for themselves... Good luck.
 
I cut the barrel last night and installed the firesights. After reading this thread I've decided that I need to get a barrel clamp as added protection against brakage. Its too easyto drop a gun from a rack or storage place and I worry that if it fell against the tube it could easily bend the mag tube. I noticed centerfire has some for $8 that's cheap insurance. I figure the fact that its a polymer will keep it from scratching up the barrel too, not that I'm worried about that.

Leverage works both ways. The force exerted on an 8" extension on the 1/2" of threads is multiplied by 16 times. If the gun gets hit with 50 lbf from an impact, that means 800 lbf on the threads. The flip side is that even if the clamp only absorbs 1/2 the force, that reduces the stress on the threads by 400 lbs.

I'll be posting a new thread about my project HD shotgun when I can take pictures of it...
 
Those folks worried about marring finishes can do as I did. Place a strip of old fashioned electrical tape inside the part that contacts the barrel. Trim as needed.....
 
Two more examples of shotguns WITHOUT any clamps on the extensions. And these are from companies that specialize in the 870. They don't even offer an extension clamp as an option. Of course, everyone else knows better than these folks...

Wilson/Scattergun Technologies Standard Model. ALL models come without an extension clamp. Price: $1,325.

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Vang Comp System

870p_hqxf.jpg


List of mods:
18" VCS Barrel with porting **
VCS Front and Rear Sights
Hogue Black Synthetic Stock
VCS Big Dome Safety
VCS Stainless Steel Follower
VCS 1 or 2 Shot Magazine Tube Extension
Refinished to a Matte Black Finish

Price: $1,495

And here is a letter from Remington stating that the mods do NOT void the Remington warranty:
https://www.vangcomp.com/Remington_Letter.html

Of course, THEY have no idea what they are talking about either.
rolleye0011.gif
 
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