CMMG COMPLETE AR-15 UPPER, MK4LE 5.56 W/A2 FRONT SIGHT

CMMG 

UPPER GROUP 

MK4LE

CALIBER: 5.56X45 MM NATO CHAMBER

BERREL: 16" M4 PROFILE BARREL,

SALT BATH NITRIDED 4140 CHROME-MOLY STEEL, 1:7" TWIST

HAND GUARD: M4 HAND GUARD

SIGHTS/GAS BLOCK: "F" MARKED FRONT SIGHT BASE

BOLT GROUP: M16 BOLT GROUP

UPPER GROUP CONSISTS OF: 

-UPPER RECEIVER ASSEMBLEY (UPPER RECEIVER, EJECTION PORT COVER, FORWARD ASSIST)

-BARREL SUB-ASSEMBLY

-HAND GUARD AND BARREL NUT

-CHARGING HANDLE

-BOLT CARRIER GROUP