9mm Browning Long

The 9mm Browning Long, also known as the 9x20mmSR, is a military centerfire pistol cartridge developed in 1903 for the FN Model 1903 adopted by Belgium, France, Estonia, the Netherlands, and Sweden.

9×20mmSR Browning Long
TypeSemi-automatic pistol
Place of originBelgium
Production history
DesignerJohn Moses Browning
Designed1903
ManufacturerFabrique Nationale de Herstal
Produced1903–1940s
Specifications
Case typeSemi-rimmed, straight
Bullet diameter.3578" max. (9.09mm max.)
Land diameter.3512" nom. (8.92mm max.)
Neck diameter.379" nom. (9.68mm max.)
Base diameter.380" nom. (9.72mm max.)
Rim diameter.402 in (10.2 mm)
Rim thickness.0492 in (1.25 mm)
Case length.795 in (20.2 mm)
Overall length1.10 in (28 mm)
Primer typeSmall pistol
Ballistic performance
Bullet mass/type Velocity Energy
110 gr (7 g) FMJ 1,000 ft/s (300 m/s) 240 ft⋅lbf (330 J)
108 gr (7 g) FMJ 1,150 ft/s (350 m/s) 316 ft⋅lbf (428 J)
Source(s): Rifles and Machine Guns Prvi Partizan
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