Proudly Designed and Made in USA M-LOK 4-Slot Picatinny Rail Section Fully Compatible with Any M-LOK Mounting Platform Features Optimal 0.37 Saddle Height Profile for Versatile Attaching of Accessories for a Myriad of Different Modular Applications 1.57 in Length with Innovative Continuous Rail Edges Designed to Provide a Monolithic Look and Function When Placing Rail Sections Side by Side Precision Machined from 6061-T6 Aircraft Grade Aluminum Alloy with Matte Black Hard Coat Anodize Includes M-LOK Steel Locking Nut, Steel Allen Screw and Allen Wrench for Installation