Quickly convert your AR15 into a hard-hitting 6.5 Grendel by using CMMG’s ENDEAVOR 100 Mk4 upper group kit. Each kit comes with an ENDEAVOR 100 Mk4 upper group (with 20-inch barrel) and one 10-round 6.5 Grendel magazine. Simply pair the upper receiver with your existing AR15 lower, and use the supplied magazine to safely feed 6.5 Grendel ammunition.
Caliber: 6.5 Grendel
|Barrel Length (in)||20 in.|
|Mag Capacity / Rounds||10rd|
|Number of Mags||1|
|Accessory Rail||Not Applicable|
|Warranty||Warranty provided by product manufacturer.|