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This was ground smooth on the MAK 90 to make it compliant with import restrictions. Here's a pic of a 'de-banned and re-fanged' version: You'll note the collar behind the front site base. Hazmat posted this on the AK-47 forum: "Another type of MAK 90 that came in had the underfolder bayonet collar ground down. Sometimes AK enthusiasts take a "de-fanged" MAK-90, and restore it to pre-ban condition. The initials SP were stamped on the left side of the receiver. (The logo "Choate Tool" can be seen in a circle on the flat end of the recoil pad.) Also, the bayonet lugs were ground off, and muzzle nuts welded to the barrels. The court forced the importers to re-fit these rifles with Choate thumbhole stocks. No MAK-90s were exported to the USA after 1994, however some Poly Tech rifles that were sitting in warehouses were finally released to their importers in 1996.
#NORINCO MAK 90 AUTO SEAR SERIAL NUMBER#
Some have a space or dash between the serial number and 2 digit year of import stamping. The later MAK-90s imported after 1990 had the threads on the muzzle actually turned off, and a 2 digit year of import stamped in front of or in back of the serial number (for example 91, 92, 93, 94). More measurements of my AK rifles barrels with calipers between the gas block and front sight: My NHM-90 has a receiver with a solid slanted rear and cut outs for the underfolding stock on the side of the receiver. My MAK-90 and MAK-91 fit my NHM-90 stock like a glove. I subscribe to the theory that they were going to be underfolding stock receivers, but instead of the holes milled in the side, one was cut in the rear. They shoot tighter groups but I don't know if this is because of better/heavy barrels or longer sight radius of the 20" barrels.Īll the milled receiver post ban rifles have the slant cut with round hole in the rear of the receiver. My NHM-91 and MAK-91 have barrels heavier and longer than MAK-90's. All after this bunch had the threads turned off the barrel. Just spray paint a milled MAK-90 black like the Bulgarians, and you will have the best finished AK imported with the best trigger pull.Īll Chinese MAK-90 rifles that were in the first bunch imported/in customs right after the 1989 ban had threaded barrels. The trigger pull is the best of any AK imported into the US, yes even better than the "holy grail" of AK's, the Bulgarian SLR-95. The fit and finish of Poly Tech rifles pre or post ban are the best of all Chinese rifles imported. The barrels of milled receiver MAK-90 and 91 rifles are not threaded. The post ban models MAK-90,MAK-91,AK Hunter and Poly Tech Legend pre bans have the 386 in a oval. All the milled receiver Chinese rifles have 386 in a oval. The chamber is the largest diameter then steps down at the rear sight block, next the gas block, and finally the smallest diameter is at the front sight.Īll Poly Tech AKs have an oval 386 stamped on the receiver. 584".Īll AK's have barrels that are 4 different diameters in different places. 580" diameter barrels and Romanian's are. 684" diameter barrel and the NHM-91 has a.