Picatinny Rail Set

Rounded arc corner design for better protection, Available in Five kinds lengths, so you can position just enough rail area exactly where you need it for each accessory
Compatible With Any Standard M-LOK Systems,Picatinny Accepts All Standard Picatinny Accessories.(Note: These Picatinny Rails & Nuts are suitable for M-LOK systems,Not for keymod systems.)
The M-LOK Polymer Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, Scopes,Optics,grip, etc
Made Of Durable Polymer Material with,Super Lightweight M-LOK Rails ,With Solid Structure
Install These Screws By Come With Wrench Tool, Simple To Install or Remove. Pack Of 5-Slot 7-Slot 9-Slot 11-Slot 13-Slot Solid Rails, 10 Sets Matched Screws, 10Sets Locking T-Nuts and 1 Pcs Wrench.