Used UltiMAK Gas Tube with Picatinny Rail for Krinkov Style AK Model M13

Used UltiMAK gas tube with picatinny rail for the following AK variants: 

AKS-74U, SLR-106U/UR, SLR-107U/UR, SAM7K, etc.
Fits most other AK’s having the “Krinkov” gas system length.

Dirty from normal use as well as minor cosmetic imperfections from normal use. Comes as seen with necessary mounts and screws for install. Screws require a 9/64 bit (not included)