AR-57
Country of origin
United States
United States
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 originally designed by Rhineland Arms but produced by AR57 LLC.
It was originally designed by Rhineland Arms but produced by AR57 LLC.
