| LMT MRP Upper Receiver w/ 18 Inch Stainless Steel 1:7 Twist 5.56mm Barrel - M-5-8S7-XX-XX-X-XXX Lewis Machine and Tool MRP™ and CQB MRP™ Upper Receiver Assemblies Include: -
Upper Receiver -
Barrel Assembly -
Torque Wrench/Driver -
Operators Manual -
(3) Rail Panels Does NOT include bolt carrier Group MRP = Monolithic Rail Platform CQB = Close Quarter Combat |