This Ncstar AR15 Triangle M-LOK Handguard is for Mid-Length rifle gas systems and it is an easy drop-in replacement hand guard, fits into AR Delta ring and front handguard cap. Simply remove your factory AR15 hand guards and drop in the M-LOK® handguards and use supplied four screws to secure it in place. Solid fit with top rail is at receiver height and you have M-LOK® slots along each sides and the bottom of the handguard. Includes two Accessory M-LOK® to Picatinny Rail Sections. One Short (5 slot Picatinny) and one Medium (9 slot Picatinny) Length Picatinny Rail sections. They can be placed in any of the sides or bottom M-LOK® slots. Black Hard Anodized Aluminum Construction. Handguard surface overall Length is 10.6". The Handguard extends past the front handguard cap and front sight post, to give you more surface area to place your hand and accessories. Hand guard surface overall Length is 10.6". The Handguard extends past the front handguard cap and front sight post, to give you more surface area to place your hand and accessories. Length is 10.6".
Note: This model fits: Mid-Length Gas Systems. This replaces standard Mid-Length handguards.