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View Full Version : The SKS and AK-47: What is internally different?


Dr. Peter Venkman
01-10-2007, 7:35 PM
I was wondering what the differences are between the SKS and AK-47 in the internal designs of these two rifles. I'd appreciate it if anyone could point out what is different. I'm wondering why because over at Wikipedia, the AK-47 article depicts the AK as being chiefly influenced by the M1 Garand. I have no idea how that came about. Any info would be great.

xenophobe
01-10-2007, 7:49 PM
Everything.

The fire control components, the bolt and carrier... they're not even similarly designed. Locking mechanism, gas system, trigger group/fire control components... all very different.

AJAX22
01-10-2007, 7:54 PM
The only thing that the sks has in comon with the AK is the round it fires (traditionally) and the fact that its made from metal and wood (most of the time)

The sks is a tilting bolt, the ak is a rotory, the sks has a gas op rod, the AK has a gas piston directly attached to the bolt carrier, they are both unique and brilliant designs that you should have in your collection, if for no other reason than to take appart and marvel at the different approaches to similar problems.

I keep a spare trigger assembly for an sks just so I can sit and marvel at it every now and again.

p.s.

that bit about the AK being influenced by the garrand is complete B.S. they were both gas operated, thats where the similarity ends, the mini 14 was influenced by the M1, so were a bunch of exposed, rotory bolt firearms, but the AK is really its own thing.

aklover_91
01-10-2007, 7:55 PM
SKS (http://world.guns.ru/rifle/rfl01-e.htm)
AK (http://world.guns.ru/assault/as01-e.htm)
bout' covers it.

Satex
01-10-2007, 8:22 PM
if you place both firearms side by side you can clearly see how the AK design was influenced from the SKS. Having said that, they are not compatible in any way.

M. Sage
01-10-2007, 8:30 PM
I can see where certain elements (like the top covers, and even that's a bit of a stretch) carry over, but nothing in the actual design as far as how they work.

The SKS has more in common with an older anti-tank rifle than it does the AK.

Dr. Peter Venkman
01-10-2007, 8:36 PM
I know they are not compatible. What I am trying to ascertain whether or not the SKS had a very large influence on the design of the AK-47. Currently I see an AK as the next version of the SKS with a list of improvements.

Fewer moving parts, an obvious change to the bolt to eject cartridges on the side, and higher tolerance for crap to get in the rifle and still be combat effective. Is the change of bolt operation that huge?

aklover_91
01-10-2007, 9:08 PM
I know they are not compatible. What I am trying to ascertain whether or not the SKS had a very large influence on the design of the AK-47. Currently I see an AK as the next version of the SKS with a list of improvements.

Fewer moving parts, an obvious change to the bolt to eject cartridges on the side, and higher tolerance for crap to get in the rifle and still be combat effective. Is the change of bolt operation that huge?
The AK is a grab bag of concepts from a few rifles and one or two things from Mr. K; from what I'm able to see the ONLY thing the SKS and AK have in common is ammo.

matango
01-10-2007, 10:04 PM
both rifles use same ammo

both rifles have similiar front and rear sight design, and can use same sight adjustment tool

both rifles have chrome lined bores

both rifles have similiar cleaning rods & buttstock cleaning kits

both rifles originated from Russia

they have some design similarities but not interchangable in any way except ammo compatability

rkt88edmo
01-11-2007, 12:16 AM
And they both have a "K"

five.five-six
01-11-2007, 12:59 AM
And they both have a "K"

they both have a trigger
they both have a safety

the biggest influence on the AK was the StG44, though Kalashnikov says it is not, it is pretty obvious

saki302
01-11-2007, 5:27 AM
+1 on the Sturmgewehr AK influence. Even the mags look similar, cartridge performance, and all.

The AK really has as much in common with an SKS as it does with a Robinson M96. As in, they're both pistol driven gas-op rifles. It's not an SKS evolution, it's a design all its own.

-Dave

metalhead357
01-11-2007, 6:25 AM
the mini 14 was influenced by the M1, so were a bunch of exposed, rotory bolt firearms, but the AK is really its own thing.

Well....yes and no....
The M14 was influenced by the M1 and the MINI-14 was in turn a Ruger attempt at a M14 Civilian copy....but yeah, the AK is truly its own beast.

five.five-six
01-12-2007, 9:59 PM
+1 on the Sturmgewehr AK influence. Even the mags look similar, cartridge performance, and all.

The AK really has as much in common with an SKS as it does with a Robinson M96. As in, they're both pistol driven gas-op rifles. It's not an SKS evolution, it's a design all its own.

-Dave

I wonder if the StG44 is a C&R I would sure like to own one


http://en.wikipedia.org/wiki/Sturmgewehr_44 looks a lot like an ak (http://en.wikipedia.org/wiki/Sturmgewehr_44)

Charliegone
01-12-2007, 10:57 PM
The only thing that really is compatible in both the ak and sks is the front sight...thats about it.:D

fal_762x51
01-12-2007, 11:49 PM
What about the Norinco SKS-D? Uses AK mags. :D

metalhead357
01-13-2007, 6:42 AM
What about the Norinco SKS-D? Uses AK mags. :D

What about it????? It was flat out banned in Cali and IIRC owners had to either remove them from the state or turn them in for what? $180?

:confused:

aklover_91
01-13-2007, 11:41 AM
they both have a trigger
they both have a safety

the biggest influence on the AK was the StG44, though Kalashnikov says it is not, it is pretty obvious
Look a little closer, though externally they appear similar, internally they're completely different.

icormba
01-13-2007, 2:45 PM
Like aklover said! :)
Look a little closer, though externally they appear similar, internally they're completely different.

The AK is a totally different design than the STG44.

The only thing copied is that they both used a smaller intermediate rifle cartridge with high capacity magazines, and the only reason the mags look the same is because of the cartridges shape stacked on top of each other creates that "Media phrase" "Banana clip" shape.


Remove the mags and both rifles side to side look nothing a like.

For some visuals, take a look at this site:/
http://www.mp44.nl/weapons/mp44_disassembly.htm

http://world.guns.ru/assault/mp43_strip.jpg

Charliegone
01-13-2007, 3:29 PM
Like aklover said! :)


The AK is a totally different design than the STG44.

The only thing copied is that they both used a smaller intermediate rifle cartridge with high capacity magazines, and the only reason the mags look the same is because of the cartridges shape stacked on top of each other creates that "Media phrase" "Banana clip" shape.


Remove the mags and both rifles side to side look nothing a like.

For some visuals, take a look at this site:/
http://www.mp44.nl/weapons/mp44_disassembly.htm

http://world.guns.ru/assault/mp43_strip.jpg

Wow...dissembles similar to the G3...apparently it looks like it does influence the g3.

icormba
01-13-2007, 4:56 PM
Wow...dissembles similar to the G3...apparently it looks like it does influence the g3.

Yup! the Cetme / G3 and then later the MP5. The later version of the STG 44 was supposed to have been a delayed blow back I think?

Also forgot to mention even the STG44's bolt/carrier handle is on the opposite side from the AK even.