I have heard several people report RIO shells have hard primers. But price sells them. The few boxes I have shot all seemed Ok but not better than other similar priced shells. I do not use their primers in reloading. There are better primers and for that matter better hulls to reload than RIOs. I see countless RIOs and other Euro type hulls at sporting ranges that are just tossed out in the trash can.
B&P shells have been very good to me. My first flat, 250 shells, had zero misses in them. Multiple flats after that have not been quite up to that standard. I have a larger supply of once fired B&P hulls but have never bothered to reload them. Someday I will but with thousands of other once fired hulls you can be picky and load what you like and have used in the past. The great thing about the internet is that if your favorite ammo is discontinued you can almost always find a substitute by looking for what else is available. Gone are the days of three big ammo makers, now there must be a dozen.
