Shotgun Magazines, Bandoliers and Shell Holders

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Broken out to new page 09-23-05

The Ulitmate Accessory for your Mossberg Shotgun !!!!




Designed for easy user-installation, the Knoxx Industries Sidewinder™ Tactical 10-round drum magazine system is perfect for law enforcement, home defense and competitive sporting applications.

Also available with a 6-round box magazine, the Knoxx system makes reloading as simple as pushing the magazine release button and swapping magazines. Changing back and forth between buckshot, slug or less-lethal ammunition can be done quickly and positively.

This unique system, available for most *Mossberg pump shotguns, is easily installed by simply removing the shotgun barrel and forend, unscrewing the factory magazine tube and replacing it with the Sidewinder assembly and forend. Once the barrel is reinstalled, the gun is ready for use. The drum magazine slips easily into the magazine well and racking the slide delivers the first of ten 12-gauge shells into the chamber. Empty magazines drop free with the push of a button, allowing for a quick 10-round reload in just seconds. No permanent changes are made to the shotgun.


The Sidewinder™ is ideal for SWAT or Special Team entry shotguns, less-than-lethal applications and for IDPA Three Gun Match competitors. Anywhere extended capacity and quick reloads are required, the Sidewinder is the perfect solution. Teamed up with the Knoxx COPstock™ recoil-reducing folding stock and a short barrel, the Sidewinder-equipped shotgun can be the ultimate entry or defense weapon.

The Knoxx Sidewinder™ Tactical for Mossberg is available as a complete kit with either a 10-round drum or 6-round box magazine. Both magazines accept 2-3/4 and 3-inch shells. Drum and box magazines are also available separately.


The Mossberg version of the Sidewinder will fit the following 12-gauge Mossberg pump shotguns: 500, 500A, Cruiser, Persuader, 590, 590A1, Maverick 88, and most other versions with dual action bars. All Mossberg 590 versions and all 9-shot models will require the purchase of a Knoxx-supplied adapter ($19.95) to complete the conversion.

Special Note: KNOXX is currently developing a version of the Sidewinder for the popular Remington 870 shotgun. They anticipate that it will be available sometime late this year. No pricing or delivery date has been set as yet. This conversion will require the permanent modification of the shotgun.

Sidewinder Conversion w/ 10 round drum reg. $239.95 ea.
SALE $209.00 or $199.00 for 2 or more sets

Extra Drums reg. $94.95 ea.
SALE $84.95 (w/ the purchase of complete conversion)

6 round stick mags $44.95 ea.
SALE $39.95 (w/ the purchase of complete conversion)


I of the Purple Shoulder Pt. 2 | Main | I of the Purple Shoulder Pt 4 »

August 24, 2005

I of the Purple Shoulder Pt 5

I thought that I might post a bit about equipment that I used and saw used at the Practical Shotgun Match over the weekend so that folks who are thinking of joining me at the next match or those who have been toying with the idea of participating in 3-Gun matches don’t have to go through the embarrassment I went through with having inferior equipment. I also want to discuss a little about tactics afterwards.

First up, the not-so-good stuff:

This is the basic set up you will need for a Practical Shotgun course of fire.


(My Cruiser-Stock 870, two 55rnd bandoliers and three 12 shell belt pounches)

Unfortunately, other that the ammo and the gun itself, that kit is utterly inadequate for anything other than showing off to your buddies.

The bandoliers, while holding a great deal of ammo and looking cool, hang loose on your body and flop around a great deal. They get caught on stuff and if you lean over to pick anything up, you get hit in the back of the head. Also, once you start unloading shells from it, gravity takes hold and the bandolier rotates on you, ending with the loaded shells at your hip level and usually behind you. Likewise, the pouches are a bit of a pain to load fully and if you don’t have the snaps broken in, a pain to open so as to access the shells.

Jerry the Geek was using a cartridge belt like this one, and while it seemed to work OK for him, since it isn’t connected to anything, I can easily see it riding up until the point where you grab a shell and it finally releases the shell around pectoral level.

While not in the above pic, we each also used stock shell cuffs like this one.

Again, inadequate. After firing a few rounds, the cuff tends to slide forward towards the receiver and then rotates when you go to pull a shell out. Jerry’s seemed to work better with the wood stock on my 870 than mine did on the 1187 with the plastic stock.

The only way I have seen to remedy this problem is what I do on my truck shotgun, which is to cut a small slit in the cuff itself and position it over a sling swivel stud. This will hold it for a bit longer but will still not stop the problem unless you actually have a sling attached in the swivel.

But since slings aren’t allowed on the firing line as you might slip up and break the range safety rules by slinging the weapon over your shoulder, thereby DQing yourself (when not in use, all guns must be either unloaded on the safety table or cased). I do not see putting a spare Quik-Detachable swivel with no sling attached as a violation, however.

Speaking of slings, there are a number of them out there that will hold anywhere from two to twenty four rounds. While I did not see any of them in action on Sunday, I would just like to point out that they can add the weight of an entire box of shells to the weight of your weapon and more than likely to the forward end of the gun, in front of your non-trigger or weak hand.

The gun itself is heavy enough as it is after a day of humping it around and it is better to keep the weight of your ammo secured to your body.

Now we’ll move on to the stuff I saw that worked:

If you do feel the need to make your weapon hold ammo, you will want to keep said ammo behind the centerline so as to minimize what your weak hand has to support when you shoulder the weapon to fire it.

The SideSaddle shell holder does this very well, strapping the shells to the non-ejection port side of the receiver. Another item is this stock shell cuff. Someone there was thinking. If you look close, you can see the Velcro strap that holds the cuff on the back of the stock, not letting it slide forward.

Another item I saw that worked well were forearm bands that hold ten to twelve shells. They not only hold ammo, they also protect your forearm from barrel burns (the shotguns barrels get very hot very quickly). Jerry the Geek also showed me how the use of shooting gloves will protect your hands from these burns.

But the truly slick item of the day was this


This is a sixteen shell holding MOLLE attachment. With this vest


you could hold three or four of these for a total of 48 to 64 rounds secured to your person.

Very Cool! It will be mine!


Now I’m going to switch to tactics I used and saw at the match.

First up, I haven’t shot a tactical match involving shotguns for close to ten years, hence my inadequate equipment and my shoddy finish. But very little else other than the equipment has changed.

I used to compete with a Remington 870 pretty much like the one in the first pic, but recently started toying with the 1187 in the hopes of knocking my times down with an autoloading weapon.

Sadly, that was not to be. Just enter the name Darth Vader into the seach bar and you can read about me being an idiot and working on my guns a week and a half prior to the match.

My preferred shotgun reloading technique is to keep my firing/strong hand in the firing position (finger out of the trigger, of course) and reload with the gun right side up and with my weak hand.

The object to this is to always be ready for incoming bad guys. If you get in the habit of taking your hand away from the firing position to reload it means extra time while you regain your positive shooting position and fire, adding to your reaction time and giving the bad guy a chance at you.

One of the more fun things we used to do in our old time practical scattergun matches is to wait until someone turns their gun over in their weak hand and starts reloading with their strong hand and then we’d release the pop-up/moving target. I scares the shit out of people, especially if they’re in a house clearing exercise and the popper/mover is barely three feet away from them and they have to recover their composure as well as their shooting position and then fire.

Unfortunately, reloading an 1187 is not exactly like reloading an 870. While the location is the same, you have to make sure to hit the half inch long follower release button on the 1187 before the round will enter the magazine area, which is why I was so adamant about installing the EasyLoader before the match, whereupon I screwed up my trigger group and disabled Vader.

I needed a whole lot more practice than I had to get that reload down, but even then I can guarantee you that loading an 870 would have been faster. By the sixth stage of the match, I got so tired of missing that button during reloads with my weak hand that I switched to tilting the gun with my weak hand and loading with my strong hand. While foreign, it was still faster for me to do it that way.

The reason I bring the whole subject of reloading up is that on Sunday I saw a very nice guy in my squad named Trevor use a technique that was very, very, very fast, but also so impractical it was comical.

At his chosen reload point he would turn the gun upside down and then put the rear four or five inches of the stock on top of his shoulder. He would then grab five or six shells at once from one of these holders in his strong hand and load the shotgun.

Remember that I said that this was very fast. I mean it was very fast. He could load faster than a round a second in that manner. Very good for competition, but very bad from a tactical reload standpoint.

Even if you are in a squad and behind cover, your are putting your cohorts and yourself at risk by taking the gun that far out of battery to reload. If you get incoming bad guys, you are stuck with a fistfull of shells in your strong hand and your gun non-accessible.

Don’t get me wrong, I’m not saying anything bad about Trevor; he was a hell of a guy and a damn good competitor. But I will forgo a future win if that reload is what it takes for me to get it.

Posted by AnalogKid at August 24, 2005 01:03 PM


I don’t know what the shotgun rules are for these matches, but the Army had the reloading issue solved during WW One.

They had, for stockade guards, a semi-auto shotgun that took a looooong clip as it’s magazine. If you had one of those, it would simply be a matter of carrying enough clips, as it is with any other semi-auto shooting exercise (or battle).

I don’t know the nomenclature of the weapon, or even if they were ever sold commercially, but it looked, in side profile, like a Tommy Gun.

Also, about twenty years ago, someone came out with an urban assault shotgun called the A-1 Invader (or Invader A-1). It was stainless steel, and took a 20-rd drum maggy.

Then, as we discussed, there is that Russ gun that takes clips of five. If a five rounder can be made, so can a ten-rounder.

Plenty of solutions to hungry shotguns.