5.45×39mm PSP

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5.45×39mm PSP
Berdan
Maximum pressure380.00 MPa (55,114 psi)
Ballistic performance
Bullet mass/type Velocity Energy
16.4 g (253 gr) PSP Tungsten bullet 333 m/s (1,090 ft/s) 909 J (670 ft⋅lbf)
14.5 g (224 gr) PSP-UD Bronze bullet 430 m/s (1,400 ft/s) 1,340 J (990 ft⋅lbf)
Test barrel length: 418 mm (16.5 in) ADS amphibious rifle

The 5.45×39mm PSP cartridge is a rimless bottlenecked intermediate cartridge. It was introduced into service in 2005 together with ADS amphibious rifle by Russia. This special cartridge was made for underwater use in ADS rifle and based on standard 5.45×39mm.

There are two variants of it. PSP with heavy 16.4g tungsten alloy bullet and PSP-UD with 14.5g bronze bullet.[1][2]

References

  1. ^ Соловцов Е.В. "Российские боеприпасы Промежуточные патроны" (PDF) (in Russian). Retrieved 2019-02-13.
  2. ^ "ADS dual medium". Modern Firearms. 2010-10-27. Retrieved 2019-02-13.

See also

List of rifle cartridges

ADS Rifle


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