B-33 dust cover with integrated Picatinny rail is compatible with all models of Kalashnikov assault rifle and carbines built on the basis of AK. Allows you to install any sighting devices that mount on Picatinny rail. Provides consistency of the center of impact on the installed sights, with repeated opening and closing. The B-33 dust cover is a milled product made of aluminum alloy D16T, mounts on B-10M, B-10U, B-10L, B-30 or B-30U handguards by five screws (four screws form the four points of support for the B-33 on the handguard and one screw forms an additional (fifth) point of support, fixing the B-33 on the receiver) and forms a Picatinny rail with a length of 170±5 mm above the barrel of AK that does not overlap the line of sight when using standard mechanical sighting devices.