The man I bought this trunnion from got it in a parts lot and couldn't tell me what it is. He thought it might be Chinese, and I agree but it isn't marked like any I've seen before.
It takes a 19mm barrel, and the rivet pattern is Chinese, but its only
markings are a 6-digit serial on the left side and some stray (proof?)
marks on the right. No factory code or ChiCom characters.
Can anyone confirm the country of origin? Thanks