Introducing the Midwest Industries SD M-LOK Handguard for Springfield Kuna. This one piece free-float M-Lok handguard is designed to accomodate a wide selection accessories to personalize your Springfield Kuna. The Handugard also features a MIL-STD top rail with T-marking for precise mounting and has an inside diameter of 1.85" to accomodate a suppressor with the diameter 1.8" and still allow for M-Lok mounted accessories. FeaturesExtremely rugged, one-piece free-float design and constructionM-LOK compatible slots for a variety of accessory mounting optionsInside diameter 1.850 inches - allows for use of a 1.8-inch diameter suppressor while still utilizing the M-LOK slotsOverall length 8 inches - adds 4.5 inches to the firearmHigh-quality MIL-STD 1913 top rail, T-marked for precise accessory locationIncludes one five-slot M-LOK polymer rail sectionConstructed from 6061 aluminum, hard coat anodized for a lifetime of service