we provide personalized laser printing service(instead of logo): leave your note what words exactly you want to print on the product when placing you order. The default plant logo will be printed on the products for those who orders personalized laser printing yet fails to leave any note while placing order. l AR-15 carbine length quad rail is the perfect budget minded option for mounting accessories to your rifle. l Made of aircraft grade aluminum, it is light weight and strong enough to get the job done. Lights, lasers, foregrips and back up sights mount easily to its four Picatinny rails. l Accepts all standard Weaver / Picatinny 1913 accessories l Two piece "drop-in" design l No gunsmithing required