How much difference is there between the federal 210 and the 210M large rifle primer? I found some 210's but the m's are on backorder for a while. Is it going to screw me up to use the 210's in recipes that call for the m?
I'm going to be shooting them in my 260 with RL17 and H4350
Thanks Blake
I'm going to be shooting them in my 260 with RL17 and H4350
Thanks Blake