Does it have to be stainless? You might be surprised what can happen to a stainless rifle in Coastal Alaska…
Electrolysis nickel or hard chrome on a CZ 550 in 416 Rigby could provide the necessary corrosion resistance on a reasonable cost CRF platform.
I'd research finishes such as Robar NP3 for example, looking for finishes that won't affect tolerances and function.
DF
