Rust Lick makes some nice products for this too.

Proctologically Violated©® wrote:
Soak/spray them w/ any nondetergent oil for protection, esp. the innards.
PB Blaster and Kroil will remove the "flash rust", to a large degree, and
protect the metal--seems to soak in.
WD40, in light of my recent exp. w/ Blaster/Kroil, is a few cuts above
water.