![Russian Military Surplus 5.45x39mm 53 Grain 7N6 Light Armor Piercing FMJ - 30 Rounds (Paper Wrap) [NO TAX outside Texas] FREE SHIPPING OVER $199](https://kirammo.com/wp-content/uploads/2023/06/Russian-Military-Steel-Core-5.45x39-7N6.jpg)
5.45x39mm Ammo
5.45x39mm Ammo For Sale- Top Ammo Retailers Available
The 5.45×39mm cartridge is a rimless bottlenecked intermediate cartridge. It was introduced into service in 1974 by the Soviet Union for use with the new AK-74.
The 5.45×39mm gradually supplemented, then largely replaced the 7.62×39mm cartridge in Soviet and Warsaw Pact service as their primary military service rifle cartridge. 5.45x39 is popular today, both in the United States and across the world.
The 5.45×39mm cartridge was developed in the early 1970s by a group of Soviet designers and engineers under the direction of M. Sabelnikov. The 5.45×39mm is an example of an international tendency towards relatively small-sized, lightweight, high-velocity military service cartridges.
About: 5.45x39mm
- Type: Rifle
- Place of origin: Soviet Union
- In-service: 1974–present
- Designed: early 1970s
Specifications
- Case type: rimless, bottleneck
- Bullet diamete:r 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: 1.75 cm3 (27.0 gr H2O)
- Rifling twist: 255 mm (1 in 10 inch) or 200 mm (1 in 7.87 inch)
- Primer type: Berdan or Small rifle
- Maximum pressure: 380.00 MPa (55,114 psi)
Ballistic performance
| Bullet mass/type | Velocity | Energy |
|---|---|---|
| 3.43 g (53 gr) 7N6 FMJ mild steel core | 880 m/s (2,900 ft/s) | 1,328 J (979 ft⋅lbf) |
| 3.43 g (53 gr) 7N6M FMJ hardened steel core | 880 m/s (2,900 ft/s) | 1,328 J (979 ft⋅lbf) |
| 3.62 g (56 gr) 7N10 FMJ enhanced penetration | 880 m/s (2,900 ft/s) | 1,402 J (1,034 ft⋅lbf) |
| 3.69 g (57 gr) 7N22 AP hardened steel core | 890 m/s (2,900 ft/s) | 1,461 J (1,078 ft⋅lbf) |
| 5.2 g (80 gr) 7U1 subsonic for silenced AKS-74UB | 303 m/s (990 ft/s) | 239 J (176 ft⋅lbf) |