The LE6920 MP-B is the Magpul-equipped police variant of the LE6920, shipping factory-configured with Magpul PMAG, MOE+ grip, CTR stock, and MOE carbine handguard. The MP-B designation indicates the Magpul package build. Internally identical to the standard LE6920 with the same chrome-lined barrel and mil-spec BCG. A factory-direct alternative to dealers who assembled Magpul-equipped LE6920s themselves. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2015, USA Weight: 6.7 oz Overall length: 32.5" Status: Discontinued Intended use: Tactical, Law Enforcement