Type “C” is designed for cap type mag extensions such as found on the Mossberg 590 and 590 A1.

 

Type "C" is designed to work with an equal length barrel to mag tube ratio and is an excellent addition to your 14" Shockwave 12 gauge.

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This “Pumkin Puncher” is machined from 6061 T6 aluminum and anodized flat black. They are laser etched with our brand. A quick swipe with a black permanent ink pen will camouflage the etching if you so desire. Each unit will come with all assembly hardware, including a 1.0 ml package of VC3 Threadmate, and installation instructions. You will need a phillips screwdriver and a 3/8" socket. A very easy install.

 

The "C" has an OAL of 2.825", a major OD of 1.440" and a stand off length, measured from base of the mag cap to the ends of the tines, of 2.825".