The most likely meaning of the 70 prefix is 1970 production. It is usually a stylized number within a triangle. This is the largest collection of known arsenal stamps to date, and it will be updated accordingly.
Chinese sks arsenal stamps
On the sks, there are stamped on the receiver by the arsenal stamp and serial number three chinese characters.
The sks was also produced by other factories in china, but they all use the same symbol to identify the factory.
The symbol indicates which factory the rifle came from and an estimate of the production date. Receivers and bolts have very little qc stamping on them. Chinese sks rifle come in a variety of. Understanding the nuances of identifying various chinese sks variants is crucial for both collectors and enthusiasts.
Detailing all aspects of the chinese type 56 sks carbine from original military examples to commercial models including important data, research, descriptions, pictures, and more. This guide aims to provide a comprehensive resource for anyone. Note all the main differences between the two. How many numbers are there on an sks and where are they located?

My understanding is that these translate to:
An online diagram will help match the sks markings and rifle worth. The mag catch appeared to look. Letters b, c, d, e, f, h, r, and w have been observed having a (wide font) stock numbering, and a mix of (wide cut) finger groove. Only 4, 19, 32 and 33 have been observed in the spot immediately after the arsenal marking, within a relatively small.
Only one of the arsenals markings the /26\ which comes from the jianshe arsenal can be reliably dated as to the year of mfg.



