His contribution was not a flashier gun or a more powerful propellant. It was a packaging problem solved: how do you combine a primer, a propellant, and a projectile into one reliable, weatherproof unit that a breech-loading action can feed, chamber, and fire without the shooter touching loose powder or a separate cap?

That framing is worth sitting with. Every argument we have at the loading bench about primer seating depth, case prep, reliable feeding — all of it traces back to this one guy in 1845 figuring out that the container was the problem. Before Flobert, you had three separate things that needed to come together perfectly in field conditions. After him, you had one.

What Flobert proved was the principle. The metallic case that sealed at the breech, combined ignition and propellant, and fed reliably from a breech-loading action — that architecture became the standard.

Gas sealing is the part that doesn't get enough credit. You cannot build a repeating action — no lever gun, no semi-auto, no revolver feeding from a magazine — around a cartridge that vents hot gas unpredictably toward the shooter. The brass case expanding against the chamber wall is load-bearing technology. Every round you've ever run through a semi-auto depends on that seal working.

He did not pursue widespread commercialization or licensing of his cartridge design abroad — a decision that left the downstream development of rimfire technology largely to American manufacturers.

Smith and Wesson picked up his concept in 1854, improved the primer distribution, and by 1857 had the .22 Short in commercial production. Flobert kept making artisan parlor guns and going to expositions. That's not a criticism — that was his market and he worked it — but it's a clear case of someone inventing the thing and someone else scaling it. The .22 LR became one of the highest-volume cartridges ever made, and his name is on a niche European shotshell most American shooters have never heard of.

The 9mm Flobert pest control angle is genuinely interesting too — a subsonic shot load that won't punch through barn walls, still in production from Fiocchi, still used by European farmers. That's a pretty specific problem solved by a 175-year-old cartridge family.

Question for the group: what was your first .22, and did you know anything about where that cartridge actually came from when you were shooting it?

Read the full article in The Handbook → | By The Boise Gun Club Team