I really like Benchmark in my .204 but I would be just fine with H335 if I could not find Benchmark. RL-10 is also a dandy. I bet that your gun would like at least one of those and likely all three of them.
H335 is a good substitute, but be very aware of the temperature sensitivity. Loads developed with H335 in cool weather can become very dangerous on very hot days. Don't ask me how I know ......