Features:

-Easy to install.the rail installs quickly to any standard keymod mounting system.
-Made of high quality alloy material with black matte finish,sturdy and durable.
-3 slots, 7 slots, 11 slots, 3 specifications for different applications.
-Compatible with any standard M-LOK/Keymod system and picatinny rail accessories mounting
-3-slot rail is compatible with sling mount adapter and QD Sling Adapter (Not included).
-Send with matched screws, locking nuts and allen wrench.
-Fit for airsoft hunting,shooting,military combat and other outdoor activities.

Specification:

Type: Tactical Picatinny Weaver
Material: High Quality Alloy
Color: Black
Package weight: about 226g
Model: 3 slots, 7 slots, 11 slots
Suit for: M-lok System,Keymod System
Weight: 2.85 oz(11 Slots), 2 oz (7 Slots), 1.48 oz (3 Slots)
Dimensions:
5.92" x 0.86" x 0.4" (11 Slots),
4.35" x 0.86" x 0.4" (7 Slots),
3.15" x 0.86" x 0.4" (3 Slots)

Package includes:

1*3-slot M-LOK/Keymod Rail
1*7-slot M-LOK/Keymod Rail
1*11-slot M-LOK/Keymod Rail
7*M-LOK T-Nuts
7*M-LOK Screws
7*Keymod Matched Screws
7*Keymod Locking Nuts
2*Allen Wrench