Made for the Vepr 12 shotgun.
The CSS Tri Rail System was manufactured with the holes drilled for the top rail.
This Top Rail Fits the Tri-Rail
MIL-STD-1913 rails are made from aircraft grade 6061 aluminum alloy.
Hard coat military specification MIL-A-8625 or Type III non-reflective black.
Weight: 12 oz.
Does not fit any of the Saiga 12 Shotguns.