Upper Receivers - Conv Kits

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

Geissele Automatics

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 Ddc - 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 Ddc - GEISLE

Geissele Automatics

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

Geissele Automatics

Geissele Automatics - Ge Urg-i Nc 556nato 14.5" Blk/ddc - GEISLE

Geissele Automatics

Faxon Firearms - Faxon Ion Ultralt 16" 556nato Upper - FAXON

Faxon Firearms

Daniel Defense - Dd M4a1 Fsp Upr Rcvr 14.5 Pw 556 Fde - DANIEL

Daniel Defense

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

Battle Arms Development

Yankee Hill Machine Co A3 Upper Receiver Fits AR15 7075-T6 Aluminum Anodized Finish Black YHM-100

Yankee Hill Machine Co

Yankee Hill Machine Co Stripped A3 Upper Receiver For AR15 Black Finish YHM-110

Yankee Hill Machine Co