Many fine firearms, especially military, have been preserved in cosmoline, so it pays to know how to deal with the messy glop.
How to Remove Cosmoline From Military Surplus Rifles
new Mosin-Nagant!! its like XMAS!!!!!
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Cosmoline grease. Remove it or leave it? Stevens 416
Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 3-Cans : Automotive
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Sale 1019 Arms & Armor by Hindman Auctions - Issuu
Cosmoline Black - Heavy Duty Rust Preventative @ Cosmoline Direct
Yugoslavian SKS packed in Mammoth toe jam: aka cosmoline!
5 totally different 9mm pistols! It's rust protection day so I thought I'd get a group photo. : r/guns
Cosmoline RP-342 Black Rust Preventive Spray (Military-Grade) 3-Cans : Automotive
Blog - Firearms Legal Protection
Complete Guide] Cosmoline Removal: SKS Example - Pew Pew Tactical
Russia SKS Fixed Mag 7.62 Bolt Action Rifle
Picked up an M44 made in 1945, no import marks, still has the hammer and sickle stamped on it. Was so full of cosmoline that it wouldn't even dry-fire when the trigger