Upper Group, RESOLUTE, FE, 9mm, 16.1"

PLATFORM MK4, MK17, MKGS
CALIBER 9MM
OPERATING SYSTEM FIXED EJECTOR RADIAL DELAYED BLOWBACK
BARREL LENGTH 16.1
BARREL TWIST 1:10
BARREL CONTOUR MT
BARREL MATERIAL 4140CM, SBN
MUZZLE DEVICE ZEROED RBB BRAKE
MUZZLE THREAD 1/2 X 28