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PostPosted: Sun Mar 30, 2014 12:29 pm 
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So, I got bored a few days ago and decided that in order to break the malaise I've been having with the Titan and WWII-era armour drawings I'd try to bring back the stalled work on an assault rifle I started a year ago. It's not much right now, but I'd like to think it's not bad.

Right now I want it short, but compact with a bit of a curvy look to it since that's the aesthetic I've moved towards for my own sci-fi stuff.
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The front of the gun is largely based off a lovely cyberpunk rifle drawing I have in a reference collection, while the magazine is based off the German Panzergrenadiers from Defiance Games (Highly recommended!). The sight at the top is based off a sight made by Peter Ku for one of his amazing CGI rifles, but I'm not entirely happy with how it came out.

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PostPosted: Sun Mar 30, 2014 8:07 pm 
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It looks good with an adequate length barrel for good lethality out to 100-150m. Given the stock's comb, the sights are going to have to be higher, probably mounted at a point where the existing optic's flat rear part is located, otherwise you're going to have trouble seeing through it.

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PostPosted: Mon Mar 31, 2014 8:46 pm 
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Moved them higher like you suggested, fiddled with the stock and added some minor bitz.

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PostPosted: Mon Mar 31, 2014 9:08 pm 
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I may have have used the right words... Here's a modification to show what I mean. If this is a dot sight, it should be mounted high enough that the shooter isn't bent over the rifle or has the stock riding almost over his shoulder; he should have a good cheek weld so that as he pivots at his waist everything moves as one.

Also, a dot sight should be mounted further forward than you would normally mount a magnified optic because you're shooting with both eyes open. I think you could drop the upper part of the receiver down somewhat or raise the barrel.

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PostPosted: Tue Apr 01, 2014 8:08 am 
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Does this look more suitable in terms of height?
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I've raised the barrel but not too much since I'm doing another gun in the future with a tandem-barrel arrangement (rifle/UGL) and that's going to have the rifle barrel at the top, so having the Kefefs be lower is a good contrast.

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PostPosted: Tue Apr 01, 2014 8:25 am 
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Looks great!

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PostPosted: Wed Apr 02, 2014 6:25 am 
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By the way, you will still need an ejection port of some sort even on a rifle firing caseless ammunition, otherwise how do you unload a round you don't want to fire to service the weapon or if the round is a dud.

Also most modern rifles intended to be ambidextrous have a charging hand accessible from both side same as the fire selector switch


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PostPosted: Wed Apr 02, 2014 7:17 am 
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50Stone wrote:
By the way, you will still need an ejection port of some sort even on a rifle firing caseless ammunition, otherwise how do you unload a round you don't want to fire to service the weapon or if the round is a dud.

Also most modern rifles intended to be ambidextrous have a charging hand accessible from both side same as the fire selector switch


All good points I'd considered already. In terms of ambidextrous use, the fire selector switch is actually mirrored on the opposite side as well, as will the cocking handle. I'm also thinking of incorporating a switch or button that directs faulty rounds to either the left or the right ejection port depending on which hand the user is holding the rifle with.

EDIT;
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Added the ejection port, manufacturer's stamp and a cocking handle based off the G-36 (one of my all-time favourites)

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PostPosted: Fri Apr 18, 2014 11:04 am 
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After getting some extra advice on it, I've taken all the colour off (wasn't happy with it) and just made the gun a little 'shorter' since it did look too tall.
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PostPosted: Fri May 02, 2014 5:52 pm 
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You need to move the barrel up slightly as your trigger mechanism and fire selector is at the same level as the barrel, which means that there is no space for the bolt carrier to chamber a round.
also, you need to move the magazine and the ejection port to make room for the bolt carrier to move back and chamber the next round (unless the stock contains the recoil rod and spring)

as you can see with the SA80, (although the trigger mechanism is further back- with a spur leading to the trigger) the working parts take up a fair amount of room. I know your weapon is caseless but I'm assuming you are using a shaped propellant charge unless it is some form of gauss rifle using a magnetic accelerator
there seems to be a lot of waste space in your weapon where the gas rod and spring would be.
Image

I always find it helps to work out how the weapon actually works, then shape the weapon around the working parts.


here's a video of a FAMAS from youtube. about 45 second to a minute in gives a good view of working parts
http://www.youtube.com/watch?v=JmS77opQdfI
:)

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PostPosted: Fri May 02, 2014 6:36 pm 
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There is a Soviet design that has almost zero space between the magazine and the buttplate as the recoil mechanism is fundamentally different than conventional system.

http://world.guns.ru/assault/rus/korobov-tkb-022-e.html

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PostPosted: Sat May 03, 2014 3:40 am 
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kfeltenberger wrote:
There is a Soviet design that has almost zero space between the magazine and the buttplate as the recoil mechanism is fundamentally different than conventional system.

http://world.guns.ru/assault/rus/korobov-tkb-022-e.html


oooh :)
you learn something new every day!!

found a pic of the working parts

Image

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PostPosted: Tue Jun 03, 2014 10:57 am 
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Don't know if this is any better.

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PostPosted: Tue Jun 03, 2014 11:17 am 
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I've been looking at this wondering what is "off" about it and I think I've finally got it. The butt of the stock, specifically the heel, should probably be about 25% or so lower and with a slight hook to hold the support hand when firing off a rest.

Sort of like this...

Image

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PostPosted: Tue Jun 03, 2014 5:17 pm 
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kfeltenberger wrote:
I've been looking at this wondering what is "off" about it and I think I've finally got it. The butt of the stock, specifically the heel, should probably be about 25% or so lower and with a slight hook to hold the support hand when firing off a rest.

Sort of like this...

Image


I'm looking at it and it seems to me that the hook is for say, a right handed user to grasp with their left hand while their right hand is on the trigger grip and the barrel/foreguard is resting on something like a piece of rubble or the like?

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