Production variations

In this section we will list all the variations worthy of a closer look due to having special features not commonly seen on a typical production rifle. 
Public Security rifles.

I'm going to go ahead and list the Public Security variations in this section. Please refer to the Arsenal /26\ section for that version. These rifles have been found marked /016\, [0140], [0141], and [0144].
Sheet-Metal Receiver Rifles

Stamped sheet-metal variations have been observed factory stamped [0138], [0139], [0145] & [0158]. If you have a sheet-metal receiver rifle you can contribute, please email me. Thanks
Cast-Metal Receiver Rifles

Cast-metal variations have been observed factory stamped [0220], [0221], [0132] [0134] & [0141]. If you have a cast-metal receiver rifle you can contribute, please email me. Thanks

Oddities

These specimens stray from the(normal) rifles in one way shape or form. Ongoing research and data will be necessary to determine what exactly was going on here. 
Cadet Marked Rifles

Rifles bearing a stock mark reported to signify the use by an instructional institution.
Rifle with T63/68 bayonet.
This Rifle was imported sporting a T63/68 bayonet. Anyones guess as to why/how it was imported with this bayo. 
#3 on right side of RSB.
Cast rifle arsenal [0221] serial 21000332 found with a large #3 at the right rear of the rear sight block. This location is in direct correlation with the battle setting of the rear leaf, also indicated with a #3 on the top of the leaf itself.