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PRODUCT #64F9067 UPPER GROUP KIT, ENDEAVOR™ 100, MK4, 6.5 GRENDEL, 1 10RD MAG

$679.95

$679.95

THIS PRODUCT IS BACKED BY THE CMMG LIFETIME QUALITY GUARANTEE.

UPPER GROUP KIT, ENDEAVOR™ 100, MK4, 6.5 GRENDEL, 1 10RD MAG

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.

All Products come with CMMG’s Lifetime Quality Guarantee.

Technical Specifications

Platform Mk4
Caliber 6.5 Grendel
Operating System Direct Impingement
Barrel Length 20
Barrel Twist 1:8
Barrel Contour MT
Barrel Material 416SS, SBN
Barrel Twist 1:8
Muzzle Device CMMG A2 Compensator
Muzzle Thread 5/8 X 24
Gas Port Location Rifle
Gas Block 0.750" Non-Adjustable
Upper Receiver Forged 7075-T6 AL M4 type upper
Hand Guard CMMG RML15 M-LOK
Finish Hard Coat Anodized Receivers and Hand Guard (Can be upgraded to Cerakote)
Charging Handle CMMG Mil-Spec
Magazine 10rd
Weight 5.4

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