Deciphering RCBS die markings

[TAJ45]

I've noticed a number on the sizer dies, two digit, such as 90 or any other two digit number.
Is this year of mfr?

 

[centershot]

Yes

 

[TAJ45]

Yes

Thanks for verifying.

 

[ireload2]

The oldest RCBS dies have a single letter stamped on top with the code A = 1950.
The highest letter codes I have seen are many with N and a Q which would be 1966. But I have also seen 64, 65 and 66 2 digit number codes.

 

[TAJ45]

Ah, more good info, thanks.

 

[Big Mc]

I've noticed a number on the sizer dies, two digit, such as 90 or any other two digit number.
Is this year of mfr?

I have a 270 with a J stamped. Got it in 1963.. Wow I am an old fart.. Tommy Mc

 

[MagnumManiac]

Well there you go. I have several die sets with an 'S' stamped on top, all bought the same year, 22-250, 25-06 and 375H&H. I never knew it was for the year.
Anybody know where to decipher the code?

Cheers.

 

[TAJ45]

Well there you go. I have several die sets with an 'S' stamped on top, all bought the same year, 22-250, 25-06 and 375H&H. I never knew it was for the year.
Anybody know where to decipher the code?

Cheers.

Maybe 63+9? Just moving on from the J posted for the 1963 post.

 

[M-61]

Here is the answer from RCBS:


"We started letter stamping our dies in 1950 and in approximately 1955-1967 we began to date stamp the production dies while continuing to letter stamp Special Order dies. We do have a chart that is not for public use but if you wish to call us and tell us what is stamped on your dies we can tell you the year of manufacture. "