Flaig's year model off of serial number

[Flaig's 375]

Hey guys new to the group just acquired a really nice Flaig's 375 H & H Magnum. searched everywhere to find out what year this rifle was made hopefully somebody on here can help me. Serial number is 6058 . It's a 375 Magnum Mauser action.

[yobuck]

I remember Flaigs being located in Millvale PA, their demise was probably caused the 1968 gun control act.
Quite a few well known companies ceased to exist after that went into affect, including Herters.