"KeyMod" slots on sides & bottom allow for mounting rail segaments to attach tactical accessories such as vertical grip, laser sights, flashlights, sling mounts, and bipods.
Full Metal, With Tools, Two Inch Style
Overall Length: 55mm (2.1 Inch)
Distance between two screws holes: 40mm (1.6 Inch)
Weigh (net, per piece): 20g (0.7 ounce)
High quality aluminum alloy in durable black matte finish
Designed for real fire caliber
For .223Rem M series key mod handguard mount rail sytstem