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AKV-521 Chambered in 5.45x39 and .223 Rem: Capabilities

More characteristics of our new offering’s modifications

The AKV-521 allows owners to keep what is legally a single gun but with barrels in different calibers. This is made possible through the use of uppers combining a barrel, a bolt carrier, and a receiver. Earlier, we introduced the 7.62x39 model. You can see the video here.

The new episode in the Capabilities series covers two new AKV-521 versions chambered in 5.45x39 and .223 Rem. While similar in magazine capacity (10 rounds), they differ in weight, barrel length, and overall length:

  • Cartridge used: 5.45x39 mm

  • Overall length: 936 mm

  • Barrel length: 415 mm

  • Weight: 3.7 kg


  • Cartridge used: .223 Rem

  • Overall length: 862 mm

  • Barrel length: 341 mm

  • Weight: 3.6 kg

All videos about the AKV-521 development are available on our YouTube channel. To discuss new episodes with like-minded people, subscribe to Kalashnikov’s Twitter page.


AKV-521 Chambered in 5.45x39 and .223 Rem: Capabilities

More characteristics of our new offering’s modifications

Mentioned in the video

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