Airsoft MG34

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kingmaker
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Airsoft MG34

Postby kingmaker » Sun Jun 16, 2019 9:56 pm

Hello everyone St George Armoury is back, found some metal in a skip in Boston,Decided to make it into a Reinmatall MG34.
Its basically a ak47 re-skin so i got the idea of the other builders of this gun on ww2 airsoft forums around the world without their work my job would be much harder so support the forums cus Facebook is bollox
It is airsoft component compatible and does not use any real gun parts ,and none of the parts would be any use at all in any real firearm,and is for use at insured organised arsoft sights.see it built in pics below.
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Some archive work
STG45m
http://ww2aa.proboards.com/thread/10716 ... atch-build
FG42
viewtopic.php?f=13&t=19713&hilit=Fg42
I will use my usual construction style,welded and brazed sheet mild steel,some parts from heat treated spring steel and aluminium plate and bar,band sawn ,turned on the lathe and milled.High tensile socket head fasteners,i will wave some purist detail in the interest of practicality,re-build ability,lets face it if you can't strip it all down and rebuild it without making it better and not stripping all the screw threads then its not worth it
.It needs to be a practical airsoft gun,so all the airsoft parts i choose are ones i can buy from any where and cheap,but the external it is all metal and wood,and the steel will be hot chemically blacked,and the aluminium black anodised so i get a finish that stays looking good over time.So basically i am ****ing of all that cornflakes metal,plastic and balsa wood you get on the stuff you buy.It falls to bits the first time you use it I hate it.
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Sorry photo is massive getting to grips with new software
Last edited by kingmaker on Fri Jun 21, 2019 11:19 am, edited 5 times in total.
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kingmaker
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Re: Airsoft MG34

Postby kingmaker » Sun Jun 16, 2019 9:59 pm

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Well i suppose you can see all the detail when the photos are this big.
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There is going to be loads of battery space so i can fit a mother***er of a battery and get an insane rate of fire and scythe all those M4 posers at my local site its going to be great.Only joking
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Just get some metal take it in your garden shed and hit it with a hammer until its the right shape,easy
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kingmaker
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Re: Airsoft MG34

Postby kingmaker » Sun Jun 16, 2019 10:41 pm

Here i am beginning the manufacture of the a drum mag,although in real life its actually just a belt holder.
The 2 discs at the top are just billets of metal i have for shaping jobs,I cut out 2 discs of 0.9mm sheet,,10mm bigger than the billets ,the edges of the discs can then be hammered over ,while holding in a vice,to form a 90 deg lip,the tapered cone is trapped between the 2 discs.
Could have bought a real one for maybe £40 but i wanted it to have features to work with my airsoft design so i am making one.As usual there ARE LOTS OF COMPLICATED PRECISION PARTS,it is German so it wont be quick to makeThe parts a re brazed together and many of the smaller parts are riveted.I am old enough to have been taught to rivet at school,it used to be on the curriculum,all the processes i am doing here were,turning ,drilling, forging, planishing,polishing,thread cutting,blacking,woodwork.until it was considered not need any more,
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Yes thats a short AK mag cut in half,connected by a tube,as used by Dadio on here also,i started this 8 months ago.the winder and bb's are in the drum,the top of the mag is in the normal AK mag well,The short ak mag internal lends it self to this mod,its the only one with circular feed tube that is easy to cut and extend.The flexible tube is called a bowden cable it is like a tightly coiled spring.I got it from RETRO Arms in Eastern Europe
i think it was £16 delivered for about a meter.
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Last edited by kingmaker on Fri Jun 21, 2019 11:18 am, edited 1 time in total.
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Hänschen klein
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Re: Airsoft MG34

Postby Hänschen klein » Mon Jun 17, 2019 5:54 am

Fantastic work :good:

Really like the idea of attaching the feed pipe to a piece of the Mag. I have a problem of attaching the feed pipe to the AK hop on my MG42 always coming off not feeding etc. Might have to have a go at that.

Keep us posted
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kingmaker
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Re: Airsoft MG34

Postby kingmaker » Mon Jun 17, 2019 8:13 am

Hi I dont actually think that a support Mg is actually that useful in most airsoft game scenario,due to the close intense action,its actually a disadvantage infact. You will have the same shooting performance of an mp5k and the weight and length make it unwieldy .
A real MG is only adjusting its arc of fire a few degrees at long range ,in an airsoft game you need to shoot 360deg within 2 seconds.
I am just doing it for the grin factor.
Originally it was to re-purpose my first gun i bought 7 years ago,it was going to cost nothing and just be a simple and not that an accurate copy.Since them my design has got more elaborate and so the work hours increase also..
My first feed idea was to use the drum as a hopper and have a shoot or tube dropping the ammo into a hole cut in the side of the short
AK mag.I decided i wanted a more accurate look and have the tube going in to the mag well,i can remove the tube and magazine top in the safe zone,making the tube quick release without it wearing out is harder than it sounds.I am using the normal AK mag catch.
I do have the option of shooting with an AK mag if the drum fails,i can do that with the drum removed and have a belt on my feed tray.
The winding mechanism has a flash mag winder from another broken mag adapted to it,the mainspring is under a lot of pressure when pushing the ammo down that long tube so you dont get as many shots per wind of the spring.

The ideal solution would be to have hop unit 45deg up and to the left,this would shorten the feed tube ,reducing friction,and utilise gravity to get the ammo into the hop chamber,Then it would be difficult to disconnect the feed tube in the safe zone and would have no back up it the drum mechanism failed,and take a bit more time.

A guy at my local site wanted an AGM mg42 he was advised about its disadvantages but he bought it any way from Europe,when he got it it was a lemon and the club armourer did not want to work on it so he was left with a £500 display piece and no product support from 400 mile away.
Last edited by kingmaker on Fri Jun 21, 2019 11:17 am, edited 2 times in total.
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Hänschen klein
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Re: Airsoft MG34

Postby Hänschen klein » Mon Jun 17, 2019 8:27 am

You are right they don`t fire any faster or further than a normal AEG. We played a Rifles only game last year where a section MG per side made a whole lot of difference being used as they were. Our group reduces the ammo limits to 200 for most games with MG 2000. It makes a whole lot of difference if used properly!
Keep up the good work.
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dadio
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Re: Airsoft MG34

Postby dadio » Mon Jun 17, 2019 12:38 pm

The MGF42 I did a few years ago had a 90° hop feed and had no flexible tube , it connected directly as you fitted the drum like a normal mag so the drum had the top part of a mag grafted on its side and the gun had the hop tube slightly sticking out of the side , worked really well , I hate flexible tube feed systems , they never work well as they usually pop off the hop , your solution of using the top of an AK mag is good as long as you can secure the flexible section into it securely .
armoury
m1a1 Thompson,sten mk2,mp40,stg44,sterling,mk2 bren gun,lee Enfield no4 mk1,Mauser Kar98, Walther ppk,smith and Weston m10 and Mauser m712
Give me a big enough hammer and a place to stand and I could fix the world.
i'll kill a man in a fair fight or if i think he's going to start a fair fight or over a woman or.......
a problem shared is a problem halved ,but an advantage shared is no advantage at all
if a job's not worth doing then its certainly not worth doing well

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Lord Elpus
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Re: Airsoft MG34

Postby Lord Elpus » Mon Jun 17, 2019 5:13 pm

That’s looking good! Lots of work! I made a mock up of one years ago, to hang on a 1941 bmw combo, I made the whole lot too, but nowhere near the detail you have there. Great work.
The AGM mg42 runs a flexi from the mag to a block, top feeding into the hop, that’s about the only thing on my one that’s never been a problem, but my mag is permanent fixture, so it doesn’t get moved about.( now I’ve said it!.....that will bugger up now!) I must admit I’m not a great fan of the flexi tube idea, have had to sort a few box mags out but mainly because of ham fisted owners. Direct fixed feed is less problematic.
Don’t like the idea of electric motor in the mag?
Andy
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kingmaker
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Re: Airsoft MG34

Postby kingmaker » Mon Jun 17, 2019 11:18 pm

The pistol grip is sheet steel welded,the flats on the motor are touching the sheet metal,when i first ran the gearbox it was fine out of the gun,but ROF noticeably went down when when in the gun,i even was getting lock ups.I have used a similar set up before,no issues.
I tested the gearbox again out the gun OK i then put pieces of sheet metal on the flats of the motor the slowing down happened only when the metal was on the right side of the motor and towards the top.So i cut a window in the steel plate of the pistol grip to clear the problem.I don't know if its because it was a neo magnet motor as opposed to the ferrous magnet motor in previous builds that caused the problem to appear.
The steel must be affecting the magnetic field.
I was making aluminium grip covers screwed on to give the proper detail and a more rounded edge,i put the groves in with a small hacksaw below.The aluminium was from a skip at a engineering company i go to, they sell tools and materials,so it was very cheap i got several pieces different thickness for a few pounds,saves buying a whole sheet.
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Here are some folding sights,they have a releasable plunger inside spring loaded with a Biro spring.
I have used the ak sight leaf,mounted vertically,the adjuster has a a block loctited to it with a leaf pointing to the right,i have the sights dialled in real good at 180 foot ,i put masking tape marker on the sight leaf,so when happy i can cut my v notch,with this long rear sight elevation adjustment is more than normal so you can realy get them set well.I hit a 40mm disc hanging from the wire of my garden fence at 60 foot.Groupings are excellent at 180 foot its just a metal ak47 chambre that came with a hop rubber for a few pounds,its a cyma brand part.The barrel came with a bundle of brass 6.04's i bought on ebay,i think they were about £3 each.I have lapped the bore with a few grades of diamond paste,checked the barrel window is well de-burred,and machined an extended crown at the muzzle.Properly stabilised the barrel and hop are more than adequate.With some guarder .28g added to the set up,i will be doing a bit of semi auto sniping with this as well as hosing hopefully.
The small eye shaped part is the sling mount,i machined the 6mm thread on the lathe,using dia14mm steel bar,and then cut the flats on with an angle grinder
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The aluminium parts have been sprayed black not anodised at this stage,so i can test everything for a while,the black anodising will be a significant part of the budget,considering the budget was originally only £15 not including the donor gun.Obviously i am spending a bit more than that now.Below the parts are red oxide primed.
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Last edited by kingmaker on Fri Jun 21, 2019 11:16 am, edited 1 time in total.
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kingmaker
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Re: Airsoft MG34

Postby kingmaker » Tue Jun 18, 2019 11:17 am

Hi i can see how a MG can give a realistic advantage in a mil-sim type game set up with bolt action guns predominant,this is not likely to be achieved with a group of strangers,you need a structured club.I do have a original k98 vsr conversion i have made,never used it yet though.
the front end of the gun is constructed entirely from aluminium.Muzzle booster and front sight and bi-pod mount turned from 50mm bar.The main 2 pieces of ali tube are from a skip also,a place that makes upvc windows in my town was the source,the 2 diameters telescope together,pieces of it were used on the AA sight mount and muzzle too.There is an adjustable position support inside the tube for the end of the airsoft barrel which is pushed down on it to give tight support.It is a 52cm brass barrel and stops about 10cm behind the front sight.
The AA sight mount in the centre of the barrel cover is band sawn from 10mm sheet and i used aluminium solder to attach it to a piece of tube.
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I think i read somewhere that it took 10 Bren Gunners to take out one MG34 gunner in a fire fight. :shock:
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I'm joking,actualy I think it was 20 bren gunners
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In all seriousness The mg34 was designed as a universal MG using patents from several major manufacturers to get the best design and has very useful mounts for bi pod ,AA tripod and anti infantry tripod and was adaptable for use on top and firing from inside vehicles ,the latter role meant the barrel could still be changed .MG42 was not suitable for this last role.
The drum mags seem ungainly in a mobile infantry assault roll if you were changing position rapidly,difficult to carry the extra mags.mostly infantry used belts anyway i assume,the Bren gun beats it in this area i think,Bren was more than a match for any MG of the time,my Dad used one in National service, used to proudly say how quick he could strip and re-assemble one and even was taught to do it blindfold.Luckily he Just missed the Suez affair,and got called up just after and ended up In the Egyptian dessert for 2 years.
Last edited by kingmaker on Fri Jun 21, 2019 11:15 am, edited 3 times in total.
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dadio
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Re: Airsoft MG34

Postby dadio » Tue Jun 18, 2019 1:39 pm

You have a K98 and now a lovely Mg34 , well set up now for the German side !
armoury
m1a1 Thompson,sten mk2,mp40,stg44,sterling,mk2 bren gun,lee Enfield no4 mk1,Mauser Kar98, Walther ppk,smith and Weston m10 and Mauser m712
Give me a big enough hammer and a place to stand and I could fix the world.
i'll kill a man in a fair fight or if i think he's going to start a fair fight or over a woman or.......
a problem shared is a problem halved ,but an advantage shared is no advantage at all
if a job's not worth doing then its certainly not worth doing well

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kingmaker
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Re: Airsoft MG34

Postby kingmaker » Wed Jun 19, 2019 10:49 pm

I have fitted a typical airsoft spring loaded charging handle .Its a piece of 3mm steel plate internally with a slot cut in it,I procured a suitable extension spring from ebay. There is a 6mm steel stud at one end for the handle which is a piece of Ali bar drilled hollow ,threaded to fit the stud and knurled,The Ali keeps stuff light i am not into lugging a piece of obsidian around the battle field all day.Just above this is the fire and safety selector it pivots of the same position as the AK selector,due to its shortness it is hard to differentiate where it is set ,i wish now i had fitted it to one of the geared quadrants at the back of the gearbox,it could be left or right hand side,i have fitted them here on other builds using a v3 gearbox from the AK.

The only non standard part is the trigger which is a g36 one,which can be bought separately from Hong Kong ,it projects much lower down from the shell which is handy,i have then screwed on a shape piece of 10mm Ali plate to imitate the MG34 trigger,however the real one is in 2 triggers in one to get semi/full auto fire,mine is not though.
My trigger guard is removable other wise the AK receiver can not be taken in or out,i wont need to do this much as i can just unscrew the hop unit and slide it towards the muzzle end to allow the gearbox to come out.
The front half of the gun or barrel shroud does have to come off to get out the hop and air soft barrel,the shroud is only held on with one screw so it comes off quick,There is a v slot that locates on a peg so when you re-assemble the front sight will go back to zero always.
The wooden stock is made from sycamore ,it is an off-cut from a table i made 25 years ago so it is well seasoned luckily I could band saw it out,bore out a battery hole in it on the lathe and turn a shoulder for a metal sleeve .All my parts are a transition fit,which means they slide together with a bit of force, and no play.The sleeve is a piece of an old bunk bed frame.The sleeve slides on to the MG receiver and is located with pin on a small leaf spring,you just twist the stock to release it, comes on and off in seconds.
Hopefully my explanations will give people some ideas for their own builds,although more Guns for WW2 are becoming available,the need to make guns is not needed as much maybe,but i certanly would not spend £1300 on an RWA MG34,its a fairly good replica but i know mine will fit in with what i want from it at a game.
The feed tray cover has a spring loaded slide ,so you can lift it, change battery or lift the door to refill ammo into the drum in a moment,so it will be friendly to work with.
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It desperately needs some bi pod legs just to make it easier to set it down and work on more easily,that is the last major part to do.
Last edited by kingmaker on Fri Jun 21, 2019 11:14 am, edited 1 time in total.
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dadio
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Re: Airsoft MG34

Postby dadio » Thu Jun 20, 2019 6:53 am

Nicely done ! Now don't b ashamed if it suffers from the WW2 support weapon curse :shock: nearly half the support weapons that start the day at a WW2 event are dead by lunch time .
Seriously though you've done a very good job on it ,well done .
armoury
m1a1 Thompson,sten mk2,mp40,stg44,sterling,mk2 bren gun,lee Enfield no4 mk1,Mauser Kar98, Walther ppk,smith and Weston m10 and Mauser m712
Give me a big enough hammer and a place to stand and I could fix the world.
i'll kill a man in a fair fight or if i think he's going to start a fair fight or over a woman or.......
a problem shared is a problem halved ,but an advantage shared is no advantage at all
if a job's not worth doing then its certainly not worth doing well

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kingmaker
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Re: Airsoft MG34

Postby kingmaker » Thu Jun 20, 2019 10:26 am

To be honest are'nt all airsoft guns cursed ,found myself pulling my hair out many a time.
Airsoft guns demand a lot of precision to work reliably.Often even new guns dont run smooth out the box or soon go south.
A local shop near me ,has shelf's of guns people want fixing ,but he says that work does not pay his rent.
When you build a custom gun it is easy to build in some alignment error,or design floor you wont be able to shake off.I actually prefer working on and shooting the 3 custom guns I built over the years,can't say they never went down at a game,but its less times than the fingers i have on one hand.My custom guns seem better than some of the far Easts attempts at WW2 guns including the likes of G&G.
I actually believe that a lot of the TM designs are floored the way the hop gearbox ,and receiver all locate together ,especially when the whole gun splits at the line where the gearbox meets the hop unit.the M4 is notorious for this,and thats the most common gun.The TM guns have good rep for flawless feeding ,my TM G3 is great here but the externals are weak and cheesy.The TM guns work because of Japanese precision.
When all the other makers got in on the act and reverse Engineered all the parts ,that extra bit of precision was lost resulting in erratic feed,fps loss or zero function.When people convert from paint ball to airsoft they are shocked how un- reliable the guns are.
In the 30's the Japs co-operated with BMW for there aero engine development,the Germans went back over there they found that the Japs had got more power,for less cost and production time.It didn't look pretty when the couling came off like the German engine,but so what.
Thats why so many vehicles in the world have a jap engine in them.
However i have had excellent results with cyma gearboxes,hop units and hop rubbers,some Chinese did do a good job in some areas but a 1/4 mm slop does not cut the mustard ,you often need it much better.

So I have just had pizza for Tea and i set the polystyrene base left over up at the end of my garden.The sun has set just so i had enough light to shoot but not visibly see the line of shot.I drew a 5 inch circle in the centre.I set the gun to semi auto and just aimed at the centre of the target,i was resting the muzzle as no bipod is on the gun as it has not been made yet.I just aimed at the target centre and 8 out of 10 are in the 5 inch circle.
In my experience thats not bad for a bog standard Chinese hop set up.I have some of those SCS type nubs that are made by element.They are shaped like cotton reels,they go bet tween the hop arm and hop rubber.see if those make any difference.
I have used flat or bridge nubs made by maple leaf but begrudge paying £5 for a micro piece of rubber,they do give more range combined with the Monster rubber.
I have also cut my own bridge nubs from silicon tube,but they are a bit hit and miss.
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kingmaker
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Re: Airsoft MG34

Postby kingmaker » Thu Jun 27, 2019 11:04 am

I then repeated the test at 50 meter Out of 13 shots only 2 were in a 12 inch circle,thats the size of the white circle(12inch) in the target in the photo above.The rest of the shots were within 18 inch of the centre of target,This is just aimed shots at the target centre not walking them in by sight,its hard to see where they hit on a white target.
In the first test i did I had a dead calm,no wind, test conditions,the second test just as i was setting up my target a slight breeze started up.Obviously in adverse weather the shots may be 20ft to one side.
Initially i was disappointed with the groupings in the 2nd test,but actually its not bad.Accuracy drops off in airsoft as a massive amount of the FPS is lost in the 1st 20ft of the BB's flight.
I have fitted my SCS nub and did a few shots and it looked good,it was capable of making the ammo rise up at the end of its flight so when i back it off for a more level flight i know my hop set up is giving the max amount of back spin the BB can handle.When i get a chance i will do a more controlled test.
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