An Odd Cartridge in an Odd Rifle - Gray's Sporting Journal

German gunmakers, an independent lot at best, took pride in those days in making their own alterations to various designs, and coming up with their own cartridges. Many of these — maybe most — went unrecorded by posterity, and since this was the very early era of cartridge rifles anyway, who knows?

The Steam Operated Rifle : r/worldbuilding

308 Based Cartridges An Official Journal Of The NRA

Big-Bore AR Cartridges An Official Journal Of The NRA

German rifles Archives - Gray's Sporting Journal

Handguns Chambered in Rifle Cartridges: Ballistically Effective

An Exquisite .425 WR Extended Magazine Rifle / The Explora

Horizon Firearms Vandal Carbon .22 Creedmoor Rifle - Guns and Ammo

Spas 12 Sporting Purpose Automatic Shotgun Plus Parts List Reprint

1911 Meets Glock 19: Kimber's KDS9c CCW Pistol - Firearms News

Mark V® Hunter - Weatherby, Inc.

Springfield Armory M1 Carbine Blowback CO2 BB Air

Cartridge (firearms) - Wikipedia

Review: Ruger SFAR An Official Journal Of The NRA

An Odd Cartridge in an Odd Rifle - Gray's Sporting Journal

Buy Personal Defense Punch 9mm Luger PD9P1SA for USD 22.99

40 Smith & Wesson brass cartridge cases cleaned and prepped ready for reloading

Hornady Lock-N-Load Cartridge Gauge 6MM ARC (.243), 380719 - Reloading Supplies to Help Check Cases & Ammo Specifications-Caliber Specific, Cylindrical Precision Steel Gauges Fit SAAMI Tolerances : Sports & Outdoors

Making the Case for Polymer Rifle Cartridges

Firearms History, Technology & Development: Manufacturing

Firearms - Guides - Importation & Verification of Firearms - Gun