Brand new Russian made genuine Zenit B-10U AK railed handguard.Weight is 130 gramms. 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 B10M handguard. It has only one rail. Additional rails (B2 and B2U) are installed with screws.