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BSA SMX-16 Rex by Pyrosity BSA SMX-16 Rex by Pyrosity
This rotary anti-materiel rifle is based off of the much smaller SMX-15 Raptor, and the internal workings are near identical in function, though scaled and fit to the larger size of the Rex.

The Rex is strictly an anti-materiel rifle, as it is much too unwieldy and heavy for general purpose sniping. It is chambered for a caseless version of the .90 VHMG round.

Due to the even more powerful rounds of the Rex, the entire drum magazine and drum frame are removable and exchangable. This helps keep the weapon ready to fire as heat buildup from firing will damage the drum after continued use - changing drums thus has the same effect of changing barrels on machine guns, to let the part cool.

The scope is more or less integrated directly into the rifle, though it can be removed for maintenance.

[This work a part of Epiverse]
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:iconmakarovjac:
MakarovJAC Featured By Owner Nov 8, 2010
Arms world bite-size info:

Revolver type magazines are quite resilent, yet heavy and short in rounds; and difficult to reload. Box mags are compact, lightweighted, has more aviable ammo and are easy and faster to reload.
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:iconpyrosity:
Pyrosity Featured By Owner Nov 13, 2010  Professional Digital Artist
Spot on. The rifle is intended to use cartridges with an extremely potent propellant. Though mainly I admit this stems from my desire to make a rotary sniper rifle just for the pure aesthetic beauty of it.
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:iconmakarovjac:
MakarovJAC Featured By Owner Nov 14, 2010
Another Arms World bite-sized info:

Excepting revolver types, all bolt-action weapons (like the classic non-automatic sniper rifles), when loaded, they pick a round from the cartridge and it's placed in the chamber, separately from the mag. It doesn't matter how strong the bullet is, the shooter and the receiver are separate, so any shot will not injure other parts of the gun.

Revolver types shots the bullet directly from the cartridge by placing the hammer at one end of the revolver.
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:iconxe3jariyae3x:
XE3JaRiYaE3X Featured By Owner Feb 7, 2009
sweeet man reminds me of a nerf n strike a .50 cal barrett and a psg-1 lololol beastin nice detail
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:iconthyself:
Thyself Featured By Owner Sep 27, 2008  Hobbyist General Artist
Awesome concept =3
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:iconpyrosity:
Pyrosity Featured By Owner Oct 2, 2008  Professional Digital Artist
Thank you! :)
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:iconwunderbear:
wunderbear Featured By Owner Feb 13, 2008  Hobbyist Traditional Artist
Woah. Super-huge anti-stuff rifle? Like a BF2142 Pilum, basically?

Very neat design.
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:iconpyrosity:
Pyrosity Featured By Owner Feb 13, 2008  Professional Digital Artist
Yeah, pretty much :3

Thanks!
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:iconcabooserif:
CabooseRIF Featured By Owner Feb 5, 2008
Holy bejebus. That's a cannon. Literaly, since it's over 20mm. jebus.

Quick question, what's the little bolt-stub directly above and beside the chamber? part of the "magazine" release?
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:iconpyrosity:
Pyrosity Featured By Owner Feb 5, 2008  Professional Digital Artist
Yeah it would probably be more convenient to classify it as a portable cannon.

Locks the drum into place.
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:iconcabooserif:
CabooseRIF Featured By Owner Feb 5, 2008
ah ok :D
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:iconpyrosity:
Pyrosity Featured By Owner Feb 6, 2008  Professional Digital Artist
Actually, in hindsight this weapon is somewhat similar to the Mk-1 CR [link] , in sheer portable power in a sniper-rifle-like form. I think I might just have to revisit the old CR now. :D
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:iconcabooserif:
CabooseRIF Featured By Owner Feb 6, 2008
please do! the MK-1 CR is like a knife through hot butter to armor! or, anything really.
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:iconkodyyoung:
KodyYoung Featured By Owner Feb 5, 2008  Hobbyist Digital Artist
The big bad brother Raptor, eh? =P
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:iconpyrosity:
Pyrosity Featured By Owner Feb 5, 2008  Professional Digital Artist
Basically :3
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:iconphiliosophicwoodsman:
PhiliosophicWoodsman Featured By Owner Feb 5, 2008
imagine the recoil... :omfg:

my shoulder hurts just thinking about it

good drawing though
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:iconpyrosity:
Pyrosity Featured By Owner Feb 5, 2008  Professional Digital Artist
Thanks :)

Setup would require mounting it on a special tripod to absorb shock and steady the rifle, so felt recoil wouldn't be that bad. Of course if you up and fired this from the shoulder it would knock you off your feet no doubt.
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:iconphiliosophicwoodsman:
PhiliosophicWoodsman Featured By Owner Feb 5, 2008
you know somebody would try it... you can't have a gun like that lying around without someone saying "I wonder...."

undoubtedly amusing for everyone except the poor dumb bastard who swings it up and pulls the trigger :nod:
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:iconpyrosity:
Pyrosity Featured By Owner Feb 6, 2008  Professional Digital Artist
Too true. Especially considering there's videos of people doing just that already on the web xD

But then again, in the setting this weapon is used, not many independant persons would have access to this kind of firepower - it's almost strictly a special issue military weapon.
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:iconphiliosophicwoodsman:
PhiliosophicWoodsman Featured By Owner Feb 6, 2008
A bunch of bored soldiers sitting around with a .90 caliber weapon is exactly what would start something like that.

and in America, we absolutely must have the biggest gun we can get. Imagine shooting a pumpkin with that beast.

I am curious how the action works... A bolt action with a revolving cylinder? and the bolt usually houses the firing pin, so why isn't it in line with the chamber/bore? I guess a caseless cartridge would also not have a primer, so it wouldn't need to be in line. but any kind of flash hole going through the side of the chamber to reach/ignite the propellant would weaken the action, so in-line would be logical. too much detail for a fictional weapon? probably. entertaining to think about? sure.
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:iconpyrosity:
Pyrosity Featured By Owner Feb 6, 2008  Professional Digital Artist
The bolt basically just cycles the drum into position for the next shot, firing is activated electronically from the rear. In order to ensure a good seal and reduse part damage, each drum is loaded beforehand, with a conductive strip on the drum connecting it to the weapon's trigger electronically.

I like to keep my designs somewhat feasible, so I tend to research into this stuff a little much. xD
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:iconphiliosophicwoodsman:
PhiliosophicWoodsman Featured By Owner Feb 6, 2008
you know, that just might actually work... might be tricky keeping the electric charge from traveling through the cylinder and igniting the other rounds, but stranger things have been made to work.

pretty damn cool
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:iconmiscelaneousgamer:
miscelaneousgamer Featured By Owner Feb 5, 2008   Photographer
Love it.

But it's spelt Material.
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:iconpyrosity:
Pyrosity Featured By Owner Feb 5, 2008  Professional Digital Artist
Refering to [link] in this context.
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:iconmiscelaneousgamer:
miscelaneousgamer Featured By Owner Feb 9, 2008   Photographer
Then again, I've been proven wrong.

Ah well. It's still a good one anyway.
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:iconpyrosity:
Pyrosity Featured By Owner Feb 11, 2008  Professional Digital Artist
Thanks :)
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:icongufu1992:
gufu1992 Featured By Owner Feb 5, 2008  Hobbyist Traditional Artist
So you carry around a pseudo-automatic rifle which uses a drum magazine and seems to be hard to handle in hands. I like the look of a design, but I don't think this will be an effective weapon, considering possible jams... with addition of heating the drum.
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:iconpyrosity:
Pyrosity Featured By Owner Feb 5, 2008  Professional Digital Artist
Like I said, this is not meant to be used for general purpose sniping. It would require quite a bit of set up time, and likely a team of two to carry the equipment needed. It's meant for special case scenarios where a very high powered round needs to be delivered by a sniper team.

I failed to mention this, but the Rex is not automatic, unlike the Raptor.
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:icongufu1992:
gufu1992 Featured By Owner Feb 5, 2008  Hobbyist Traditional Artist
This weapon is too underpowered to be usefull. It cannot be used as neither anti-tank or anti-infantry projectile weapon. You might as welll use it as a club. I would suggest you to make it work somewhat like Barret - find a way to make it automatic and somewhat fast at the same time.
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:iconpyrosity:
Pyrosity Featured By Owner Feb 5, 2008  Professional Digital Artist
I suppose I should note that this isn't exactly designed as a weapon for the real world. The setting it is used in - a sort of near-future world - has different circumstances.
It also classifies itself better as a portable cannon. That said, one could use this sort of weapon for disabling the legs of a walker, as an example. It can't penetrate heavy armor but it can hit the weak spots to destroy specific systems.
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:icongufu1992:
gufu1992 Featured By Owner Feb 5, 2008  Hobbyist Traditional Artist
Well, I guess that works (Hell, basic troopers of human army in my universe use SMG's in open field :P).
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:iconpyrosity:
Pyrosity Featured By Owner Feb 6, 2008  Professional Digital Artist
The infantry in Epiverse have to put up with a lot of shit like walkers and heavy-armour troops, so a portable cannon is always nice to have. Especially when you can engage from so damned far away, it would be perfect for disabling equipment and vehicles while they are unoccupied or in reserve.

It would prove more effective than, say, something like the Barret because the rounds this fires hit with so much force (due to the caseless plastic explosive propellant), it easily penetrates everything other than the more well armoured vehicles.

But of course the down side to the use of plastic explosive as a propellant is that it wears out the weapon quite a bit - thus the removable drum, swappable barrel, and low capacity - which allows for a thick, solid drum.


I'll admit this is fairly ridiculus as a weapon in the real world, but I like to design radical and exotic firearms as much as I do the more conventional ones. It's nice to have your own fictional universe to do that feasibly in.
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:icongufu1992:
gufu1992 Featured By Owner Feb 6, 2008  Hobbyist Traditional Artist
The Barret can penetrate armor VERY well, and even the AK-47 (Not even counting modifications) can penetrate a train rail! And what really stop the infantry to use RPG's and other heavy weaponry, anyway?
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:iconpyrosity:
Pyrosity Featured By Owner Feb 8, 2008  Professional Digital Artist
Well, for one, in Epiverse at some point during the Third War (basically WW3, which stems from the cold war suddenly turning hot. Epiverse strays from our history at the year 1989) a new armour technology was developed. It gives composite armour plating a "charge", so to speak, which greatly increases it's strength. It's usually only applied to heavily armoured vehicles as it requires a large power generator.

Shaped charge warheads would still be able to do damage to charged armour, but they wouldn't do near as much. After each subsequent hit, though, the charge is weakened (as it absorbs the impact and blast) and too many direct hits will destabilize the charge after which the generator must take time to recover. In some cases the charge will become overloaded and possibly damage the generator, knocking out these primitive forms of energy "shields".

Because of this, large solid slug projectiles work well for getting into vulnerable areas and destroying critical systems, instead of conventional anti-tank rounds which are designed to get inside and blow everything all to hell (likely the crew first) - the conventional shells just don't get near as far into charged armour as they would standard composite, and end up exploding outside or not very deep into the hull.

Another way to get around this is using weapons designed to disrupt the charge in a small area temporarily to allow a projectile to pass through unaffected, such as the KB-104 Light cannon: [link]

Applying the same disruption technology to say, an anti-tank missile, took awhile longer than expected (in Epiverse canon) as it tended to interfere with guidance, and it was problematic getting the static disruptor into a small enough package to be used in a shoulder launched rocket.

The other solution is a plasma coated shell, which simply burns it's way through any armour - charged or not - and helps get a more powerful explosive charge into a target more easily. Such weapons are expensive and require a lot of maintenance, as well as a dedicated power source (except in the case of a certain portable cannon similar to the Rex that uses disposable canisters to facilitate plasma coating). The GEO-3 is an example of such technology [link]

Any of those systems would suffer slight problems with accuracy in conditions such as a thunderstorm, and rockets/missiles are especially affected because of this. Even a light rain shower would tend to screw up the technology.


Those are probably the most exotic technologies in Epiverse, and they are introduced from the last half of the Third War (far beyond 2010, I haven't set a specific date yet), mostly being used in the final months.



Ech, didn't mean for this to be such a long reply. Sorry XD
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(1 Reply)
:iconfoofooms:
Foofooms Featured By Owner Feb 5, 2008
very detailed : )
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:iconpyrosity:
Pyrosity Featured By Owner Feb 5, 2008  Professional Digital Artist
Thank you :)
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