Powder Valley has Berdan primers in stock.
The Tula 7.62 x 39 low cup berdan primers powder valley sells will fit any Russian or foreign import steel or brass case 7.62 x 39 ammo.
There Tula 7.62 NATO regular cup berdan primers work with 7.62 x 51 NATO berdan primed brass or steel case ammo as well as many others Euro calibers.
Dag Ammohttp://www.dagammo.com/shop/index.php?main_page=product_info&cPath=7&products_ id=46http://www.dagammo.com/shop/index.php?main_page=product_info&cPath=7&products_ id=47
a few years ago, someone made a Berdan decapper that used a boxer primer in a tube inserted into the case mouth to blow out the berdan primer. Anyone remember this???
I'd love to have one.
Here is a Youtube video of the hydraulic method:https://www.youtube.com/watch?v=5TYu3SU6UMI