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Category: Magazines » Remington
12 Gauge Remington 870 7-Round Mag Extension
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12 Gauge Remington 870 7-Round Mag Extension
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Manufacturer: Advanced Technology SMR0700
Item: 37994
UPC: 758152507006

7 Shot Remington 870, 1100 and 11-87 12 Gauge Mag Extension

The ATI magazine extension Increases the capacity of your shotgun to 7 Rounds. Made of virtually indestructible DuPont Extreme Temperature Glass Reinforced Polymer injection molding over a steel connecting nut, the ATI mag extension will not rust or dent. The minimum barrel length for the 7 Shot extension is 18.5". Includes a new spring. Easy Installation, simply replaces your magazine cap nut.

Specifications and features:
7 round mag extension (adds 2 shells in magazine)
Fits Remington 12 gauge 870 shotguns
18-1/5" minimum barrel length
Includes spring
Glass-filled nylon
Injection-molded
Rustproof & dentproof
No gunsmithing required
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Average Customer Rating: 3.7 Rating (10 Customer Reviews)  Write a Review!
Page 1 of 2 (10 Reviews)
‹ 1 2 ›  Show All Sort:
5.0 Rating 7-Round Mag is a Winner - 9/30/201112 Gauge Remington 870 7-Round Mag Extension5.0000
Reviewer: Sam
Simple it install, works as advertised. A good product at a fair price. Highly recommended.
5.0 Rating Good Equipment - 4/16/201112 Gauge Remington 870 7-Round Mag Extension5.0000
Reviewer: Glenn Butler
Just take out the dimples in the factory mag., don't cross thread it when you screw it on, put the barrel clamp on and it works great on my Remington 870 with a 18.5" barrel. I like it.
4.0 Rating Upgrade - 3/11/201112 Gauge Remington 870 7-Round Mag Extension4.0000
Reviewer: branflakes
Bought this for my Rem 870 Express w/ 18 inch barrel. It does need to have a little bit of filing inside the tube where indentions were put in place for the shell stop. After that it holds 6 rounds +1 chambered. Loctite was used to hold the thread and a clamp is on its way. I am pleased with ATI's product.
2.0 Rating Mediocre - 4/22/201012 Gauge Remington 870 7-Round Mag Extension2.0000
Reviewer: bigjohn
I got this for my 870 express and modified my magazine tube with a dremel tool. It works, but the extension gets loose after a few shots. If you buy this you should also get some kind of clamp to hold it in place. Order them both at the same time and save on shipping. The extra 3 shots are nice, but it compromised the integrity of my firearm.
5.0 Rating Mag Extension - 1/31/201012 Gauge Remington 870 7-Round Mag Extension5.0000
Reviewer: Rick
Mag extension worked perfectly very pleased with the product.
Here's What Others Bought After Viewing This Item
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37994 -- 12 Gauge Remington 870 7-Round Mag Extension
$19.49
 
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