Rancho Relaxo
Member
Is there any reason you couldn't buy a 223 and have it converted to a 223 Ackley? You fireform factory loads or your own fireform loads and have cheap brass and it gives you a performance boost over a standard 223. Also, if you are set on the 222RM you could probably buy a 223 and have it rechambered, it shares the same bolt face and your options are a lot greater than looking for a 222 to have the rechamber on.