M3 and M3A1 Grease Gun SMGs
Why the open web links it
Explores the design and history of the M3 and M3A1 Grease Gun submachine guns as cost-effective WWII alternatives to the Thompson.
Linked by 4 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including wikipedia.org, slatestarcodex.com, mu.nu, gunnewsblog.com, surplused.com.
Cited in 1 Wikipedia article, including M3 submachine gun.