5.45×39mm PSP
Russian underwater rifle cartridge
5.45×39mm PSP | ||||||||||||
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5.45×39mm PSP cartridge | ||||||||||||
Type | Rifle | |||||||||||
Place of origin | Russia | |||||||||||
Service history | ||||||||||||
In service | 2005–present | |||||||||||
Used by | Russian Federation | |||||||||||
Production history | ||||||||||||
Designer | KBP Instrument Design Bureau | |||||||||||
Designed | 2005 | |||||||||||
Specifications | ||||||||||||
Case type | Steel, rimless, bottleneck | |||||||||||
Bullet diameter | 5.60 mm (0.220 in) | |||||||||||
Neck diameter | 6.29 mm (0.248 in) | |||||||||||
Shoulder diameter | 9.25 mm (0.364 in) | |||||||||||
Base diameter | 10.00 mm (0.394 in) | |||||||||||
Rim diameter | 10.00 mm (0.394 in) | |||||||||||
Rim thickness | 1.50 mm (0.059 in) | |||||||||||
Case length | 39.82 mm (1.568 in) | |||||||||||
Overall length | 57.00 mm (2.244 in) | |||||||||||
Case capacity | 1.74 cm3 (26.9 gr H2O) | |||||||||||
Rifling twist | 255 mm (1 in 10 inch) or 200 mm (1 in 7.87 inch) | |||||||||||
Primer type | Berdan | |||||||||||
Maximum pressure | 380.00 MPa (55,114 psi) | |||||||||||
Ballistic performance | ||||||||||||
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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
See also
ADS Rifle
- v
- t
- e
Cartridges derived from the 7.62×39mm or its derivatives
- 5.45×39mm
- 5.6х39mm/.220 Russian
- 9×39mm
- .366 TKM
based on 5.6х39mm/.220 Russian |
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Based on 5.45×39mm |
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