AR-57

AR-57
The AR-57
TypeSemi-automatic rifle (civilian variant)
Personal defense weapon
Submachine gun
Place of originUnited States
Service history
In service2019–present
WarsVenezuelan crisis
Production history
Designed2008–2016
ManufacturerAR57 LLC
Unit costUS$1,099
Produced2008–present
Specifications
Mass7.45 lb (3.4 kg) (AR-57 PDW)
Length30 in (762.0 mm) (AR-57 PDW)
Barrel length16 in (406.4 mm) (AR-57 PDW)

CartridgeFN 5.7×28mm
Caliber.224
Feed systemFN P90 detachable box magazines
SightsM1913 Picatinny rail

The AR-57, also known as the AR Five Seven, is available as either an upper receiver for the AR-15/M16 rifle or a complete rifle, firing 5.7×28mm rounds from standard FN P90 magazines.

It was designed by AR57 LLC.