Brand new Russian made genuine Zenit B-10U AK railed handguard.Weight is 130 g. It is fully CNC machined from the single brick of D16T aluminum alloy (aluminum+magnium+copper). Allows to use Picatinny accessories on your AK rifle. This one is lightweight version of B-10M handguard. It has only one rail. Additional rails (B2 and B2U) are installed with screws.