Lancer Handguard Sig Mpx 14'' M-lok Carbon Fiber. 5" M-lok Carbon Fiber anodized M-Lok for a factory look at a fraction of the cost. These Gun Parts by Lancer Systems are the same factory length and feature cooling slots for a more reliable lockup. The carbon fiber body of the Lancer Carbon Fiber Handguard & Rail Sig Sauer Mpx 6.5" M-lok Carbon Fiber adds an extra durable feature to your weapon and is much lighter than heavier metal options. Be sure to check out our full selection of SIG MPX forends as well as components for other weapons platforms as well as a number of other brand name models as well. Features of Lancer Systems SIG MPX Carbon SIG Sauer MPX M-LOK Handguard:M-LOK compatible slots on the top sides bottom and bottom-angle surfacesIs Compatible with the new MPX K and MPX PCCInner Diameter: 1.6inOuter Diameter: 2.0in Package Contents: Lancer Systems SIG MPX Carbon SIG Sauer MPX M-LOK Handguard What firearm models does the manufacturer say Lancer Systems SIG MPX Carbon SIG Sauer MPX M-LOK Handguard is compatible with? The manufacturer suggests that Lancer Systems SIG MPX Carbon SIG Sauer MPX M-LOK Handguard is compatible with SIG Sauer MPXLancer Handguard Sig Mpx 14'' M-lok Carbon Fiber