Old thread but for those tripping over it in the future:
Reading several reloading manuals they very often specify Remington 6-1/2 primers.
These are thinner than the usual small rifle primer and tend to fail when used in applications like .223/5.56 but work great in this round.
I've used the 6-1/2s, but I've also used generic small rifle primers with good results. The best results were with BR-4 primers as I recall.
Reading several reloading manuals they very often specify Remington 6-1/2 primers.
These are thinner than the usual small rifle primer and tend to fail when used in applications like .223/5.56 but work great in this round.
I've used the 6-1/2s, but I've also used generic small rifle primers with good results. The best results were with BR-4 primers as I recall.
