9×39mm

9×39mm
9×39mm SPP (7N9) cartridges with blue-tip armor-piercing bullets
TypeRifle cartridge
Place of originSoviet Union (Now Russia)
Service history
WarsAfghanistan, Ukraine
Production history
DesignerUndisclosed team of 27 & Nikolai Zabelin
Designedfinished in early 1980s
Specifications
Parent case7.62×39mm
Case typeRimless, bottleneck
Bullet diameterSP-5: 9.25 mm (0.364 in)
SP-6: 9.26 mm (0.365 in)
Land diameter9.00 mm (0.354 in)
Neck diameter9.98 mm (0.393 in)
Shoulder diameter10.36 mm (0.408 in)
Base diameter11.35 mm (0.447 in)
Rim diameter11.35 mm (0.447 in)
Rim thickness1.50 mm (0.059 in)
Case lengthSP-5: 38.76 mm (1.526 in)
SP-6: 38.78 mm (1.527 in)
Overall length56 mm (2.2 in)
Maximum pressure3550 BAR
Ballistic performance
Bullet mass/type Velocity Energy
16.1 g (248 gr) SP-5 290 m/s (950 ft/s) 677 J (499 ft⋅lbf)
18.0 g (278 gr) Wolf FMJ 327 m/s (1,073 ft/s) 964 J (711 ft⋅lbf)
16.2 g (250 gr) SP-6 305 m/s (1,000 ft/s) 754 J (556 ft⋅lbf)
Test barrel length: 270 mm (10.5 in)
Source(s): Russian military data, RifleShooter Magazine

The 9×39mm is a Soviet rifle cartridge. The cartridge yields increased performance in shorter barrels and effective subsonic performance.

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