HPFN

AcronymDefinition
HPFNHampton Park First National (Real Estate; Australia)
References in periodicals archive ?
I tried the Federal 300-grain Sierra Pro Hunter HPFN at 1,860 fps and found it manageable and accurate.
Top velocity with the Sierra 300-grain HPFN was 2,177 fps with 62.5 grains of Benchmark, which produced a muzzle energy of 3,158 ft-lbs.