Interestingly, the U.S. military used the M3 "grease gun" right up to the late 1980s.
It was still being issued to tankers then.
I know, because I recall an article about 1987 in the Tacoma News Tribune (Washington state) about the tankers at Fort Lewis finally turning in their M3s for a short-barreled, collapsible-stock M16.
My father, who had attended tank school at Fort Knox, Ky. in World War II, brought the article to my attention. Like me, he was amazed it was still an issue item.
He preferred the Thompson, though the M3 was small enough to store well in a tank.
Actually, he was among the first G.I.s to be issued the M1 carbine, in 1942 as I recall. The M3 was taken away from the tankers at Fort Knox and replaced with the M1 carbine.
The Army wanted to see if the M1 was any better.
Shortly after, Dad completed tanker school and his M1 carbine followed him to engineering school.
It was serial number 3100, he told me. Made by Winchester, he thought.
That little carbine became his issue gun. Followed him from the States by ship to Glascow, Scotland. By truck and train to England. From England to Normandy, France about 10 days after D-Day. Up through France, Belgium and Germany.
Germany surrendered.
Back down to Marseille, France. Out the Straits of Gibraltar and across the Atlantic. Through the Panama Canal and on to the Philippines to prepare for the invasion of Japan.
Bomb got dropped.
Finally, turned in that M1 at San Francisco after the war ended.
I can't spot an M1 carbine at a gun show or shop without going over and checking the serial number. I know ... I know ... but hey, lightning strikes!
Dad died in 1998 at the age of 83.
If I ever found Serial No. 3100 I'd probably drop to the ground and bawl my fool head off!
Aw crud ... I'm getting teary-eyed now, writing this ... I gotta go!