Two HKS 32-J Speedloaders plus. The HKS 32-J is listed for the following 6-shot. 32 H&R Mag caliber revolvers One HKS 100-BLACK Cordura Nylon Speed Loader Case. listed or not, with the cylinder fully open there must be a straight path for all rounds to load simultaneously, plus a small allowance for the thickness of the side of the speedloader.