Caliber/Gauge
4.6x30mm
Barrel Length
8"
Color
Black
CMMG was the first to bring a 4.6x30mm firearm to the U.S. civilian market, continuing a tradition of innovation, shooters everywhere can now build a light recoiling, flat shooting PDW (personal defense weapon) like no other. Designed to work with any standard AR15 lower receiver and our 4.6x30mm magazines. Available in six different Cerakote finishes, all CMMG Upper Groups come complete with bolt carrier group and ZEROED accessories including:
ZEROED AR15 Polymer Dust Cover
ZEROED AR15 Ambi Charging Handle
ZEROED Linear Compensator 5.56mm
Platform: Mk4
Caliber: 4.6x30mm
Operating System: Direct Impingement
Barrel Length: 8
Barrel Twist: 1:5.9
Barrel Contour: MT
Barrel Material: 4140CM, SBN
Muzzle Device: CMMG ZEROED Linear Compensator
Muzzle Thread: 1/2 x 28
Gas Port Location: Micro
Gas Block: FourSix Specific .750
Upper Receiver: Billet 6061 T6 Aluminum
Hand Guard: CMMG EML7 M-LOK
Finish: Cerakote Standard
Charging Handle: CMMG ZEROED Ambi
Weight: 3.2 lbs
Length: 16.5"
ZEROED AR15 Polymer Dust Cover
ZEROED AR15 Ambi Charging Handle
ZEROED Linear Compensator 5.56mm
Platform: Mk4
Caliber: 4.6x30mm
Operating System: Direct Impingement
Barrel Length: 8
Barrel Twist: 1:5.9
Barrel Contour: MT
Barrel Material: 4140CM, SBN
Muzzle Device: CMMG ZEROED Linear Compensator
Muzzle Thread: 1/2 x 28
Gas Port Location: Micro
Gas Block: FourSix Specific .750
Upper Receiver: Billet 6061 T6 Aluminum
Hand Guard: CMMG EML7 M-LOK
Finish: Cerakote Standard
Charging Handle: CMMG ZEROED Ambi
Weight: 3.2 lbs
Length: 16.5"
