Block that kick!(SHOTGUNNER)

Author:Bodinson, Holt
 
FREE EXCERPT

Let me count the ways that shotgunners have devised to moderate recoil. Over the decades, there have been 100's of really inventive solutions to the problem. Today, the simplest answers are the use of commercial low-recoil ammunition, lighter shot charges, ported barrels and ported choke tubes. The next step up in sophistication are the popular mercury inertia cylinders inserted in the buttstock, magazine tube, unused chamber of a double, magazine cap, and even clamped to the barrel. Finally, there are the more complex mechanical systems like the Danuser hydraulic "Counter Coil," and spring and piston loaded cylinders of every variety.

Do they work? Yes, they do, and each and every system has its champions.

A new fellow on the block for the recoil sensitive is Knoxx Industries. They've recently introduced the "Copstock" and the "Compstock." Knoxx also makes a rip-roaring, 10-round, alley cleaning, drum magazine for the Mossberg line of pumps, a tactical carry sling, a corner safe and several other firearms related products.

What caught my eye about the Knoxx product was the claim for the "Copstock," which consists of a pistol grip and a folding wire buttstock. Knoxx's ad copy says, "with the stock folded, the shotgun can be held like a pistol, at arm's length, and fired with no pain or discomfort. Even beginning shooters could consistently hit a 2" gong at 25 yards with 00 buckshot--one handed!"

That's quite a mouthful, so I asked Knoxx to share the "Copstock" and the sporting field version, the "Compstock," with us for examination and testing. Both versions of the stock are designed specifically for the Remington 870, the Winchester 1300, and the Mossberg 500, 590, 835 and Maverick 88 series of pump guns. I have an ancient Model 870 on hand that has been forced to change its personality so many times over the years that the addition of another new face was a natural for the old guy.

The Knoxx recoil reduction system works around a cam-activated, spring that is tensioned and then relaxed back into battery as the top portion of the Copstock stock and the full butt of the Compstock move to the rear and compress under the force of recoil. The system is designed to slow down the recoil cycle and moderate the peak recoil period. The mechanics of the spring system are plainly visible in the Compstock, but they're hidden away in the pistol grip of the Copstock.

Fitting either stock to a shotgun is a simple bolt-on job. It's so easy that the...

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