The ARAK-21 from Faxon Firearms is a piston-driven rifle design that takes elements of from both the AR-15 and the AK-47, the two most popular and successful tactical rifles on the market today. The upper receiver mounts easily onto standard AR lower receivers like any other upper.
The ARAK-21 upper is machined from 6061 T-6 aluminum and features a full length monolithic Picatinny upper rail. Additional rails can be attached as needed to the sides and bottom of the fore end. It...