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ATI Shotgun Magazine Clamp with Sling Swivel 12 Gauge 1" Black SMC1100
Our Low Price: $9.53

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Manufacturer: Advanced Technology SMC-1100
Item: 7-SMC1100
UPC: 758152511003

Specifications and Features:
Strengthen the Connection of the Mag Extension to the Barrel
Includes Sling Swivel Stud
Swivel Stud is Reversible for Right or Left Handed Shooters
May Also be Used to Mount 1" Diameter Light or Laser to Barrel
Easy Installation
DuPont Extreme Temperature Glass Reinforced Polymer
Limited Lifetime Warranty

Fits: All 12 Gauge Shotguns

Customer Reviews

Most Helpful Customer Reviews

0 of 0 people found the following review helpful
2.0 Rating Well made, but poor fit - 7/10/2012
Reviewer: Brian
I like this clamp because it won't mar your finish, but on every tube I have tried, this clamp spreads the barrel and tube apart to the point where serious stress occurs. I had purchased this for an ATI extension, but even that didn't work right. In fact, it spread the barrel and tube to such a degree that the tube's threads started to skip. That's not good! Clamp used on: Rem 1100 TAC2 (18.5" barrel w/ 2 shot Rem and ATI ext.) Rem 870 Tactical (18.5 barrel w/ 2 shot Rem and ATI ext.) Winchester 1300 (22" barrel w/ 3 shot Choate ext.) I ended up using the stock extensions on the Remingtons after trying the ATI, which looks better, but it flew off of my gun after 2 shots (without clamp). I noticed the aluminum threads were a bit chewed up after that, but it never felt solid screwing on to begin with. My Winchester, with the longer tube made by Choate, was more forgiving. Tube and barrel are still spread apart, but to an acceptable amount for me.
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ATI Shotgun Magazine Clamp with Sling Swivel 12 Gauge 1 Black SMC1100
ATI Shotgun Magazine Clamp with Sling Swivel 12 Gauge 1 Black SMC1100