Pass on the. Bps and buy some piece of crap mossberg or win xp what ever or the king of junk the famous express NOT! The Bps is hands down the best pump made today smooth high luster blue steel mached parts that a rarity in a gun today I have worked as a gunsmith since they have come out 1978 never seen this rusting thing people speaking blueing is actually a rusting process when u take a new gun out of a box u should be whiping rust off of it that means it is a good bluing job as opposed to a blacking process that some companies use my Ceasar Guerini still has rust coming off the bbl"s after 6 months they have the nicest blueing I have ever seen really unless u drop your BPS in the mud there is no reason to dissasable the action for cleaning untill u put about 10,000 rounds through it or u just like to tinker