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July 3, 2013
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Magazine Dispenser Pack by MOAB23 Magazine Dispenser Pack by MOAB23
The MDP or Magazine Dispenser Pack is a pack worn around a soldier’s waist, much like a reverse cummerbund in that it wraps around to the flank from the back. Able to hold four magazines, each pack works much like a large magazine itself, forcing a new round into the ready position once its predecessor has been removed. Much like a weapon, the MDP has a ‘cocking’ lever that upon loading is drawn to the rear, containing the spring and follower within a door forming the closed end of the pack. The cocking lever is twisted to lock the spring in place and the door opened to load the magazines. Once loaded the door is closed and the spring reengaged, pushing the follower against the last mag. With every removed magazine, the spring releases tension and feeds the next into position. Four-unit MDPs are the most commonly deployed, but larger eight- and-ten unit variants are available, particularly to expeditionary assault troops like marines. These models are worn around the back of the belt.
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:icondarhengel:
dArhengel Featured By Owner Edited Nov 18, 2014
I see a problem with this. Unlike what is shown in movies soldiers don't trow away spent magazines but put them in the same place where the fresh magazine was taken from, so that they can be refilled when returning to base. With the system that you present here there is no way to do that and the magazine would probably have to be discarded.
Wouldn't it be more logical to have a system were the spent magazine is loaded in one end pushes the stack of magazines away and out the other end comes a fresh magazine? This way reloading would be seeded up compared to current practices. Also this sort of dispenser could be mounted on the chest to act as supplementary Armour.
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:iconmoab23:
MOAB23 Featured By Owner Nov 18, 2014
Magazines that still have rounds in them (or retained empty ones) are generally put in a dump leg bag to avoid reloading them. The way the dispenser works is like a magazine itself, with a spring at the closed end and a follower. That would block you from reinserting the magazines.

The system as a whole would only wok on the front or back of the waist, placed laterally, or on the thigh, placed vertically. Other positions would inhibit magazine extraction too much, or block additional equipment.

There's also the risk that if you apply them to the torso, say on both sides of the chest, a round could hit them and cause a rather catastrophic cook off. 
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:icondarhengel:
dArhengel Featured By Owner Nov 25, 2014
So what if it causes a catastrophic cook-off? The chest is protected by rigid Armour, right. So you design the magazine dispenser and the magazine the same way you do Tank ammo storage,  to direct the explosion outwards, by having the side that sits on the chest more highly armored then the other sides. Also you design the magazine so that if the ammo cooks off the damage is limited to that single magazine and doesn't spread to the others, maybe by having the wall of the magazine that faces outwards thinner then the other 3 walls?  The result is that the magazine dispenser also becomes a holder of bricks of reactive Armour (worst case scenario, if ammo cooks off) or simply another layer of Armour (if Ammo doesn't cook off). Also placement of magazine dispenser on the chest speeds up changing of magazines because hand has less to travel from the gun in hand to the chest then to the waist.
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:iconmoab23:
MOAB23 Featured By Owner Nov 25, 2014
If it cooks off, one of two things will happen. In the best case scenario, the operator is knocked backwards with some smoking and dented armour and a sore chest, or broken ribs. In the worst, fragments from the bullets fly outward, hitting the head beneath the chin, the forearms and lower legs, or blasting nearby friendlies. A case of ammo cook off happened to a GIGN member while assaulting a hijacked aircraft. Hit his loaded magazine and blew his entire gun apart, peppering him with shrapnel, and that was one magazine.

Manufacturing magazines to blow out like tank panels would be rather complex, especially since the magazine is designed for an ambidextrous firearm and depending on which hand the operator favours, could be orientated differently for extraction. The polymer magazine would have to be pretty strong to withstand a detonation that could rip apart a metal firearm, not to mention that some of the blast would vent out of the magazine top anyway. Even with a blow out side, it would exhaust that way first because it offers least resistance. Same for the dispenser. It would vent from the open end first - which is only covered with a flap - and have to be even stronger to withstand the potential detonation of multiple magazines.

The design and size of the dispenser means that if you attached it to the chest, it would be vertical almost from the shoulder to the hip. This could impede with other equipment such as grenades, and also position the open end too close to the torso, making it difficult to remove a magazine (especially if crouched or proned). Since you would have it open end down, you'd have to curl your hand awkwardly to withdraw the magazine.

The dispenser is best used (and intended for) around the waist or on thigh armour, since it keeps it out of the way and in easy reach without something impeding the open end. Also presents a harder target if it's not on the front of the torso or centre mass usually aimed for.
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:icondarhengel:
dArhengel Featured By Owner Nov 25, 2014
Don't want to annoy you :D just trowing suggestions your way.
First of all what I was talking about was not meant for your design of dispenser but for mine :D Which in my imaginations would sit horizontally on the chest  would be open on both ends and spent magazines would be introduced in one end and push the stack of magazines until a fresh magazine would come up the other end. The system would thus be ambidextrous a right handed person would feed magazines on the left hand side and collect them on the right hand side and a lefty the other way. Depends on what technique one uses to replace magazines, in my mind for a bulpup rifle it would be faster to use the dominat hand to replace magazines so the process might be reversed.
The upper wall of the dispenser would have to be thicker to not allow the explosion to go upwards, considering that the magazine doesn't have any wall on the upper side to contain the explosion and I think the weight of the magazines to the left and right of the hit magazine would keep them from moving. Some sort of magnetic latch or something would have do be designed to hold the left and right most magazines in place.
Also this system of reactive Armour would not be conceived to be used with current day Armour but with something like the SPARO suit which is only one Spartan shy of a MJOLNIR mark VI :P. Maybe such a system would increase protection against API munition that otherwise would penetrate the SPARO suit and burn the operator. This way the round would penetrate the magazine the incendiary part would cause the cook off which would be directed outwards and not harm the operator.
As for the operator being knocked backwards, have you seen what calibers you have your soldiers running around with?  I think it's safe to say that almost every hit would knock them backward :P
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:iconmoab23:
MOAB23 Featured By Owner Nov 25, 2014
Ah, I see. No problem :)

Pfft, big calibres are solved through the magic of exoskeletons and electroactive polymer muscles, or cybernetics =P
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:iconbeadedgreenlizard:
BeadedGreenLizard Featured By Owner Jul 7, 2013  Hobbyist General Artist
PEZ
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