Sig 510-4, PE57, PE-57, STGW 57 7.62 Nato Barrel
grabcad
This is a model of a 7.62 Nato made from what appears to be a factory drawing uploaded by "falcom" on Weapons Guild. The model should be accurate to the print (510-4barrel.pdf) but I don't have a real one to measure and didn't verify thread sizes or the specs of the chamber. Also, there's a chance the rifling might be off, I didn't check it with the proper STANAG.Also included are drawings for the receiver found from places I can't remember on the internet. I don't know the original source and I don't have any higher quality pictures.
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