Needing to spice up your Sig Sauer Rattler? Look no further, Midwest Industries has your answer! The advanced ergonomic shape improves the feel and handling of your Sig Rattler. Easy no gunsmith installation Features 11 full M-Lok compatible slots and 5 half slots for maximum versatility Weighs only 3.8 ounces Length 5.25 inches/ Width 1.67 inches/ OAL height 2.6 inches/ Grip Height 2.4 inches/ Internal Diameter 1.46 inches Lightweight rugged construction of 6061 aluminum, hard coat anodized for a lifetime of service Heat treated 4140 retaining clip with phosphate finish Includes one five slot M-Lok compatible rail section Patent pending Mfg: Midwest Industries, Inc.