Category Archives: Handguns

The development of the barrel-to-frame angle in handguns — focus on semi-automatic pistols (John M. Browning reference models)

Posted on October 9, 2025 by J. Molzahn-Schultze

Abstract. This technical article examines John Browning’s design decisions regarding the geometry between the barrel (bore axis) and the grip in early semi-automatic pistols and compares four key models: the FN 1900, Colt 1903 “Pocket Hammerless,” Colt 1911, and (as … Continue reading →

Posted in Ballistics & Technology, Handguns | Leave a comment

Ballistic Comparison: .45 Auto vs. 9mm Luger

Posted on September 26, 2025 by J. Molzahn-Schultze

Die beiden wohl bekanntesten Kurzwaffenpatronen des Zweiten Weltkriegs waren die amerikanische .45 Auto (.45 ACP) und die deutsche 9 mm Luger (9 × 19 Parabellum). Beide Kaliber standen für zwei unterschiedliche Philosophien militärischer Bewaffnung. Während die US Army seit 1911 … Continue reading →

Posted in Ammunition Comparisons, Ballistics & Technology, Handguns, Historical Firearms & Ammunition | Leave a comment