If I wanted to have a custom barrel made?

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45ACPKING

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I am toying with giving one of my mint, sks D rifles with threaded, not pinned barrel, a rebarrel job to make it look like a zastava sniper. I'd need a barrel possibly 4 inches or so longer than the stock barrel.

Anyone know a source for such a barrel..... or someone that can make me one...... and i'm guessin it would be pricey... but that's not an issue.... I'm only wanting to do this for pure shtzngigglz
 
There's a fellow on the forums here who's done something similar, I think he goes by 'm39a1.' I believe the cost was well over a grand
 
i know what yer sayin Ronin.... hehehe.... but let's just say... i'm not concerned with the cost

do you guys think a barrel blank of some manufacture that is already availlable , could be lathed to the proper profile for the external bits and receiver threads and then drilled/broached for the gas port?
and.... if going to a longer barrel.... how bout that gas tube... would maybe have to lengthen it and make an appropriate length gas piston..... I am not that learned at this kinda stuff.. so your thoughts are appreciated.
 
A P-14 barrel has a bore pretty close to 7.62, has enough meat at the breech to allow the .303 chamber to be cut back, and a new shank machined in place. Altered, you could still have a length of 24". Another option would be a MN 91 barrel, although it might be necessary to use a sleeve for the shank, if the barrel diameter in front of the chamber is insufficient for the SKS breech. Even a No. 4 barrel might be adaptable. Or go with a .30x39; that would open up all sorts of barrel options, if you didn't mind handloading; or are you prepared to go Ruger style with a 7.62x39 chamber and leade in a .30 barrel. You could always do a mockup, with a smoothbore extension on the original barrel.
As far as gas operation considerations go, that is going to take experimentation. Maybe the original system could be used with a smaller port. If it is moved foreward, a new piston and tube would be needed. Piston would have to be made out of O-1 or another tool type steel, and heat treated. Or, the port could be moved, and a gas pipe brought rearward to the original piston. I would be inclined to try that. The dwell time would be lengthened with minimal manufacture of new parts. The original gas block would be used, and a small ID extension added to the original gas tube.
At any rate, the gas port should be drilled small, and then gradually enlarged until the action cycles (if it is going to, cross your fingers).
Apart from reamer, gauges and parts, the labour cost is going to be significant. If you can do a lot of the work yourself, and only have to pay a 'smith to do, say, the machine tool stuff, costs could be minimized. Or maybe you know a serious gun crank with the necessary tools.
The is no reason why the project could not be accomplished. All it is going to need is time, energy, money, and ingenuity.
 
search the SKS forum. A guy did this already with a P14 barrel.
I seem to recall it worked great and cost a lot.
Looked way cool mind you...
 
I'm gonna go through with this.... in baby steps :p .... in a well thought out manner. I have an enfield stripped barreled action..... it's a no 3 rifle in .303 brit of BSA origin.....receiver is pooched, and i don't have a no.4 rifle to compare the barrels.... are they similar? I hunt with deer with a enfield no 3 , she's my go to gun but i am no enfield buff.
keep your thoughts and suggestions rollin.... I'll try and keep ya'all updated on my progress
I'm off to search the sks forum for info on that other project you guys mentioned
 
thanx for the link curtton.
I'm wondering... do you think doing this custom alteration would improve the ballistic performance for hunting purposes.... ie... as far as increasing velocity? muzzle enrgy?
 
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