Well, I have been hanging out over at AK-47.net to learn the world of AKs... I bought a SAR-1 which will be my shooter AK but I want to either build a dummy AKMs or I wanted to find a way to build one such that I can still have all the evil features... I know I am building an AR-15 pistol by killing the gas system so why not do the same with the AKM series.... Following is what I posted over at AK-47.net
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OK guys, I stole the following from:
www.alpharubicon.com/leo/theak47.htmIt's a good looking page... check it out!
The AK47 is a gas-operated weapon, using a rotating bolt inside of a bolt carrier. The gas tube containing a loose-fitting gas piston, is positioned directly over the top of the barrel. When the weapon is fired, some of the propellant gases are bled off through a gas port drilled through the top of the barrel. The gas drives the gas piston rearward, through the gas block, emerging over the top of the chamber, where the back end of the piston impacts against the bolt carrier.
The bolt, which is contained within the bolt carrier, has a lug on its side which mates to a groove milled in the carrier. As the carrier is forced back, it moves this slot over the lug, in turn, causing the bolt to rotate. This rotation and reward movement causes the bolt to unlock, disingaging its lugs from matching slots machined into the rear of the chamber. This rearward action of the bolt carrier also extracts the spent case, cocks the hammer and strips a fresh round from the magazine, chambering it, on its return journey forward into battery.
As the carrier and bolt are driven back they compress a recoil or return spring. At the end of its rearward travel, the carrier and bolt are driven forward, now under spring pressure, stripping a new round from the magazine and chambering it. The carrier and its corresponding machined grooves, cause the bolt to rotate and lock into the matching recesses machined into the chamber end of the barrel. The hammer is now cocked and the weapon is ready to fire. If immediate firing is not needed or anticipated, the safety, which is on the right side of the receiver, can be raised into its uppermost position, making the weapon safe. In additon to acting as the safety, this lever also doubles as a dustcover, keeeping dirt and debris out of the weapon's action.
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How could someone make an AK varient NonSemiAuto when we look at the basic system as described in the paragraph above? Secondly, how can this be done in a way that it could be reversed later?
As I said before, with the AR-15 I just built using an upper with no gas tube and it does not fire only by pulling the trigger which I feel is enough to make my AR-15 non semi-auto! It was built this way from a stipped lower and it never had a gas tube so it was never a semi auto! With the AR-15, it would be easy to reverse this as all I need to do is install a gas...
Following is a cut away view...
aster.iespana.es/aster/fotosdentro/interiorak47.htmI hate the thougt of welding the gas port closed.... Can someone suggest another way that the gas system could be stoped from working? Now my NEWBEE status comes through, but can the Gas piston be removed from the bolt carrier?
www.sksman.com/parts/parts3.htmlAnd if we did, I know we would need something to replace it for the recoil spring assembly to re-close the system and to keep the system aligned properly. I can't help but wonder just how much gas would be blowing back into the action and the shooter's face if the piston wasn't there. In general, I can't see an easy way to make this work?
Now, another way that I think would work is by buying a new AK Gas Chamber and closing up the gas hole in it by welding it shut! Then, assemble my parts kit with this welded closed Gas Chamber. This will prevent the gas from ever getting to the piston making the rifle a charging handle operated BOLT-ACTION!
If the crime bill dies I could simply remove this non-functional gas chamber and replace it with the functional unit that came with the parts kit...
www.sksman.com/parts/parts2.htmlThis last option looks like the best way that I can come up with to make an AK-47 non-semiautomatic, or it's the best non-perminant method that I have found yet even though this is in fact a perminant change BUT the piece I am modifying wouldn't be too difficult to replace later....
So WHATCHA ALL THINK? to do this I simply buy an AK Gas Chamber and weld that puppy closed and add it to my PMKMS parts kit (saving the original part) and then assemble my parts kit on a new OOW receiver! I can have my threaded muzzle, bayonet lug, and underfolder plus my detachable magazines but I have lost my Semi-Automatic fire option.... If the crime bill dies, then I simply swap the parts and have an PMKMS the way it was supposed to be... well, except for the full auto :(
I think this should work and I would argue with the ATF anyday that my rifle built in this way is NOT a semiautomatic so the crime bill does not apply!
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Is it possible to replace the gas chamber? Looking at the diagrams I have seen these look like they are mounted using pins (taper pins?). This is another example of my NEWBEE ignorance I guess... Any advise?
I need my Parts Kits to arive so I have something to look at! I'll also dig out my SAR-1 tonight to see if I can tell if I am even close...? I am hoping this is possible as this is how I will get my kit built if I can find a good gunsmith to agree with my logic!