Don’t push the little round button underneath the ejection port even though you’re Placing a cartridge in the chamber, it can damage! (Picture courtesy icollector.com). Created in 1898 John Moses Browning’s Auto 5 was in generation by different companies from 1902 up until 1998. The earlier guns made by Fabrique https://sergiocwjyl.shotblogs.com/iwi-uzi-pro-pistol-for-sale-for-dummies-48589738