thefirearmblog.com

ANGBa TIL In 1954, the CIA ordered Carcano rifle ammo for anti-communist forces. The leftover ammo and rifles were re-imported and sold wholesale to the public, including to Lee Harvey Oswald, who used them to assassinate JFK.
W7ED9 TIL of "The Dip", a 50/50 solution of white vinegar and hydrogen peroxide used to clean lead off of suppressors and other firearm parts. The resulting chemical reaction dissolves the lead into lead acetate, which can cause lead poisoning from simple contact with the dermis (skin).
Mele0 TIL about Tom Sachs. An autistic NYC-based sculptor who, when needing money, would use his art tools and scraps to make crude improvised firearms in his studio to sell in the NYPD Buyback programs for up to $300 apiece.