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The RX20 is a modular assault rifle manufactured by Rickard Firearms & Defense. Developed as a follow-on to the RX15, the rifle is part of a wave of modular assault rifles, including the Heckler & Koch HK433 and IWI Carmel, and first saw testing by the Japan Self-Defense Force as a potential replacement to the aging Howa Type 89 service rifle (which it ultimately lost to the Howa 5.56 as a service rifle, but is still being tested by special forces units). All variants feature the same short-stroke gas piston system and a unique three-piece receiver system; the upper receiver, lower receiver, and the FRONT receiver, which contains picatinny rail on the bottom as well a choice of either keyhole or M-LOK mounts.

Its biggest competitors are the aforementioned HK433 and Carmel, as well as the AICS MARS.
AGR-20

Top: A standard RX20 with a 14.5" barrel and chambered for 5.56x45mm NATO via a Magpul PMAG. Bottom: Essentially the same RX20 but with an intregral suppressor.

AGR20-2

The RX20 DMR variant with an EOTech holographic sight. Note the RX15-H DMR fixed stock (only available for the DMR variant) and longer rail system (available on 16" and 20" barrels as well).

Facts

  • Barrel length: 10.5, 11.5, 14.5, 16.5, 20.5, or 22" (DMR only), integrated suppressor available
  • Cartridge: 5.56x45mm NATO, 6.8 SPC, or .300 Blackout
  • Effective range: 500 meters (5.56mm), 700 meters (DMR)
  • Designed in 2017, produced since 2020.
  • Feed system: Magpul PMAG / STANAG magazines
  • Rate of fire: 700-850 RPM, semi-automatic (civilian models and DMR)
  • Weight: varies

Users

  • Chroma Security: Used in Mexican, South African, and European branches of Chroma Security.
  • Danish Armed Forces: Adopted as the Gevær M/21.
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