CMMG Resolute Upper Group Kit 200 MK4 6.5 Grendel 10rd

CMMG Dissent Upper Group Mk4 300 Blk 6.5" Anodized Blk

Odin Works 20" 6.5 Grendel Rifle-Length Barrel, w/ BCG & Gas Block B-6.5-20-R-TG-BCG

UPPER GROUP RESOLUTE Mk4 5.56X45MM NATO 14.5 P&W No BCG or Charging Handle Armor Black

Alexander Arms Hunter 18" Upper 6.5 Grendel 1:8, Black - UHU65BL

UPPER GROUP RESOLUTE Mk4300BLK 14.5 P&W No BCG or Charging Handle Armor Black

AERO PRECISION M5 Complete Upper 22" 6.5 CM SS Fluted SM15 Ano

AERO PRECISION M4E1-T 5.56 NATO 11.5" Complete Upper Receiver | Black