Features 1、The rail is made of high quality material, which is durable, wear-resistant, durable and durable for long term use. 2、 5 sections: 5 slots, 7 slots, 9 slots, 11 slots and 13 slots rails offer 5 choices for different sizes of tactical accessories. 3、 Our Picatinny hand guard is compatible with any standard M-LOK mounting system and accepts all standard Picatinny accessories. It is ideal for attaching lights, lasers, optics, two-legs, handlebars and much more. 4、 Package List all the required screws and lock nuts and an L key for easy installation. 5、 They are the perfect solution for mounting to your M-Lok hand guard, without impacting or stressing the visibility on the field. Material: nylon plastic Weight: about 110g Package List all the required screws and lock nuts and an L key for easy installation. They are the perfect solution for mounting to your M-Lok hand guard, without impacting or stressing the visibility on the field.