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This NDM-86 rear sight leaf has the Russian character "n" for the battle setting. Apparently the Chinese directly copied the Russian rear sight and even adopted their cyrillic symbol for the 300 yard battle setting. There are rumors floating around some internet discussion forums that the Chinese rifles have Russian parts or receivers. The Chinese manufacturer claims their Type-79 rifle is an almost exact copy of the Russian SVD and was "reverse-engineered" from some Russian samples but no Russian parts were ever used. So far there has been no credible proof that any Russian parts are in the Chinese NDM-86's. |
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The NDM-86 and SVD have a front sight assembly that incorporates the flash hider and bayonet lug. The entire unit is pressed onto the end of the barrel and held in place by two cross pins. |
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The front sight blade adjust for elevation in the tradition manner of inserting the special tool through the top hole and turning counter or anti-clockwise. If your tool has gone missing an SKS sight adjuster can be used. |
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The front sight post protrudes through the bottom of the hooded front sight protector. The entire hood assembly is drift-adjustable for windage. Bayonet lug is standard Soviet AK design. |
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Do not use a hammer and punch to adjust the windage. The hood is held onto the sight base very tightly and you will damage it if you try to force it with blows from a hammer. Use the proper tool which was included with your kit from the factory. |
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There is another rare flash hider variation for the Russian military SVD. This version has a smooth body (above and at left on bottom). It's not known why the design was changed. Special thanks to Frenchy for sending these pics. |
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Interestingly, the flash hider for the British L1-A1 FAL rifle is very similar to the SVD sniper flash hider. A crafty person might be able to adapt one to fit an Izhmash Tiger rifle. These can be found for as cheap as a few dollars on various web sites. |
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The gas block on the SVD barrel. Note the threads for the adjustable gas valve. Also note the barrel remains thin past the hand guard retainer. |
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The adjustable gas regulator as found on the Chinese NDM-86 in 7.62x54R and Russian SVD. These photos show the regulator set to position #1 which is for normal shooting. You can see it opens a small gas port to let a small amount of gas escape the the rifle is fired. Thanks to "SturmGrenadier" for providing these pics. |
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Position #2 is for when the rifle is fouled with carbon build-up in the gas port. This closes the gas escape hole and directs all the gas to the piston. In most cases you will never need to use this setting unless you never clean your rifle, especially when using corrosive surplus ammunition. |
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The gas tube can be unscrewed and removed when the adjuster sleeve is rotated so the notch lines up with the locking lever. Rotating the sleeve is accomplished by putting the base of a cartridge into the slot seen next to the gas port hole. Insert the cartridge and use as leverage to twist the sleeve around to your desired setting. |
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The gas piston (right) sits inside this regulator housing (center and right). It too is numbered to the receiver. For some reason the gas regulator doesn't function on the 7.62 NATO version of the Chinese NDM-86. |
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The bottom of the receiver cover shows the recoil spring assembly. It is mounted to the cover on a hinge and is removed by punching out the rear axis pin. |
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The cheek pad is wrapped in soft leather and is detachable. It must be removed for shooting with the iron sights. Newer Russian versions have a black plastic base instead of the laminated wood. |
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Bakelite cap on grip. Remove it to get access to the bolt that holds the buttstock to the receiver. |
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The handguards are a very complex design made with carefully shaped laminated wood. This would be an expensive part to manufacture in small quantities. |
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The handguards have 2 vent holes on the bottom. |
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The lever (between the barrel and the wood) releases the flange that holds the handguards in place. If the handguards are loose on the rifle, it may cause accuracy to suffer. |
Internals Page
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