Tiberius Arms 45 Degree Off-Set Rail Mount Weaver Style Pump Markers All the SMG 68's had

All the SMG 68's had the serial # located on the left side above the trigger

and the bolt (delrin)

Other features include a quick-release feeder elbow

and Manual Manufacturer: WE-Tech

Tiberius Arms 45 Degree Off-Set Rail Mount Weaver Style Pump Markers All the SMG 68's hadFeatures: Offset Rail allows the attachment of laser flashlight mounts, red dot sights or other accessories. Keeps accessories off to the side so they don't interfere with vertical grips, handguards, or optics Ergonomic design gives easy access to on off switches for Flashlights, Lasers, or Red Dot sights High grade aluminum construction Length (inches) 1. 75"