【UPGRADE SIMPLE GREASE GUN】The simple grease gun has one less ... with an adjustable bracket to fit nearly all cordless, corded and air drivers. 【LEAKAGE-FREE DESIGN】: The explosion ...

I had intermittent problems with “air locking” the grease gun, especially in cool or cold weather. When I started storing the grease tubes vertically, the air-locking problem went away.

In 1941 the US Military began looking for an alternative for the Thompson submachine guns. In December of 1942 they adopted a ...