Upper Receivers - Conv Kits

Rise Armament - Rise Cmplt Uppr 22 Arc 18" Black - RISE

Rise Armament

Primary Weapons Systems - Pws Uxr Elt Conv Kit .223 Wylde 16" - PWS

Primary Weapons Systems

Primary Weapons Systems - Pws Mk116 Mod 2-m Upr 16" 762x39 Blk - PWS

Primary Weapons Systems

Primary Weapons Systems - Pws Mk116 Mod 2-m Upper 16.1" Blk - PWS

Primary Weapons Systems

Primary Weapons Systems - Pws Mk116 Mod 1-m Upr 16" 762x39 Blk - PWS

Primary Weapons Systems

Primary Weapons Systems - Pws Mk116 Mod 1-m Upper 16.1" Blk - PWS

Primary Weapons Systems

Nordic Components - Nordic 16" .22lr Complete Upper 10rd - NORDIC

Nordic Components

Nordic Components - Nordic Nc15 Extruded Upper Rcvr Blk - NORDIC

Nordic Components

Geissele Automatics - Ge Super Duty Mod1 5.56 16 Urg Blk - GEISLE

Geissele Automatics

Geissele Automatics - Ge Super Dty Mod1 5.56 14.5" Urg Blk - GEISLE

Geissele Automatics

Geissele Automatics - Ge Super Dty Mod1 5.56 13.9" Urg Blk - GEISLE

Geissele Automatics

Battle Arms Development - Bad Workhorse 556 Uppr 16" Blk N/bcg - BTLARM

Battle Arms Development