Sub-caliber upper assemblies allow fast and simple conversion of ARs chambered in .223 to 9mm Luger. True, dedicated, complete upper receivers are assembled from military specification components; includes a Wilson, 1-10 twist barrel, bolt and carrier, charging handle, shell deflector, heat-shield lined handguards, sling swivel, and A1-style flash hider. Additional items not included but required for conversion to 9mm are a 9mm magazine, (sold below), magazine adapter, action spring, and recoil buffer, sold separately. A2 configuration has A2 adjustable sights regulated for 9mm. A4 unit has flattop receiver that accepts most aftermarket accessories designed to fit a Picatinny rail.
SPECS: Barrel - 4140 steel, blue, matte finish, 16”(40.6cm) long, .725”(18cm) O.D. Receiver - Aluminum, anodized finish, matte black. Designed to fit lower receiver with .25” (6.3mm) diameter takedown pins.
Catalog page 9