MRP-L M-LOK SHOVELHEAD 5.56MM ASSEMBLED UPPER RECEIVER Available as an stand alone item for the first time upgrade your existing LMT piston gun to the "SHOVELNOSE" The "Shovelnose" MRP upper was designed specifically for shooters who need more room for mounting accessories when using LMT piston barrels. The upper features a larger internal diameter allowing for the installation and removal of any LMT barrel without removing MLOK add-ons. The patented LMT monolithic rail platform (MRP) upper receiver, has a receiver and handguard that are made from a single piece of aerospace grade aluminum. The barrel is held in place with a proprietary locking syste Mfg: Lmt Defense