I don't remember if the receiver is some type of aluminum, but if it is, prepare to apply some coating within minutes (less than 15). Aluminum starts oxidating quickly. Though not deep, it does require some extra care.
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
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Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)