Product 20catalog 20AR57A1 20rifle 201 1 jpg800x4000

The AR-57, also known as the AR Five-seven, is an upper receiver for the AR-15/M16 rifle lower receiver, firing 5.7x28mm rounds from standard FN-P90 magazines. It was designed by Rhineland Arms, Inc and is currently produced by AeroPrecision, Inc of Tacoma, Washington, USA. The AR-57 PDW Upper is a new design on an AR15/M16 platform, blending the AR15/M16 lower with a lightweight, monolithic upper receiver system chambered in 5.7x28mm. This model is also sold as a complete rifle, supplied with four 50-round P90 magazines.

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