My 42 did not like HPR

My normally unflappable 42 choked all day on HPR 90 gr. JHP. Stove pipes, failures to extract, failures to lock the slide open etc. 42 was perfect with three other brands as it has been in the past. New Gen 4 26 was perfect as was my 2010 RTF2 19.

My 42 did not like HPR