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PRODUCT #55FC7B0 UPPER GROUP KIT, Resolute 100, MK4, 5.56 x 45MM, 25RD .22LR KIT



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UPPER GROUP KIT, Resolute 100, MK4, 5.56 x 45MM, 25RD .22LR KIT

This bundle kit comes with a CMMG RESOLUTE 100 Series 5.56 complete upper receiver that is compatible with any mil spec AR15 lower receiver. It also includes a CMMG .22 LR Conversion Kit, which allows you to shoot .22 LR ammunition from the RESOLUTE 100 Series Upper by swapping the bolt carrier group to the conversion. The .22 LR Conversion is all Stainless Steel and comes with one 25 Round magazine. From training to defense, plinking to hunting, this kit provides you the versatility to conquer whatever comes your way. Two calibers, one upper, no tools… endless possibilities.

All of our Upper Groups come complete with BCG.

Technical Specifications

Platform Mk4
Caliber 5.56x45mm, .22 LR, 5.56mm
Barrel Length 16.1
Barrel Twist 1:7
Barrel Contour MT
Barrel Material 4140CM, SBN
Barrel Twist 1:7
Muzzle Device CMMG A2 Compensator
Muzzle Thread 1/2 X 28
Gas Port Location Mid
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 CMMG 25rd
Weight 4.5