where can I post a question on 50BMG cartridges?

[BM50cal]

I know I've posted a thread before asking this but I just want to make sure that;s all

 

[Zipper730]

S Shortround6

You might be of use here

 

[tomo pauk]

I know I've posted a thread before asking this but I just want to make sure that;s all

The sub-forum dealing with wepons is here: link