✪ 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 MMloks Systems，Picatinny Accepts All Standard Picatinny Accessories.(Note: These Picatinny Rails & Nuts are suitable for MMlOKs systems,Not for KKeymods systems.)
✪ Made Of Durable Polymer Material with,Super Lightweight Rails ,With Solid Structure
✪ The MMloks Polymer Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, Scopes,Optics, etc.✪ 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, 10 Sets Locking Nuts and 1 Pcs Wrench.