CMMG Mk4 RESOLUTE® Complete Upper .22lr 16.1" AB

Whether you’re looking to build a AR15 for plinking, training, or small-game hunting, this .22 LR RESOLUTE® Upper Group fits the bill perfectly. The Mk4 .22 LR upper is designed to work with any standard AR15 lower and our .22 Conversion Magazines. All CMMG® Upper Groups come complete with bolt carrier group and ZEROED™ accessories including: ZEROED AR15 Polymer Dust CoverZEROED 22LR Ambi Charging HandleZEROED Muzzle Brake 5.56mm Specifications: Platform Mk4Caliber .22 LROperating System Traditional BlowbackBarrel Length 16.1Barrel Twist 1:16Barrel Contour M4Barrel Material 4140CM, SBNMuzzle Device CMMG ZEROED Muzzle BrakeMuzzle Thread 1/2 x 28Gas Port Location N/AGas Block N/AUpper Receiver Billet 6061 T6 AluminumHand Guard CMMG EML13.5 M-LOKFinish CerakoteCharging Handle CMMG ZEROED Ambi .22 LRWeight 3.85 lbsLength 24" Informations: C.I.P. includedLaser markings were carried out covertlyCompatible with standard Mil-spec AR-15 lower receiverCompatible accessories see under this article, accessories MADE IN THE USA