| Job Title |
Fitter, Ventilated Rib |
| Job Description |
Mounts And Aligns Ventilated (elevated) Ribs To Shotgun
Barrels To Facilitate Aiming: Selects And Positions Ribs To
Dovetailed Posts On Top Of Gun Barrel. Mounts Rib To Barrel By
Dovetailing Each Rib Slot And Barrel Post Along Barrel. Locks
Barrel In Vise And Measures Height Of Rib At Breech End, Using
Pin Gauge, To Determine Amount Rear End Post Must Be Reduced To
Lower Rib To Specified Height. Hammers And Files Post And
Squeezes Rib Slot, Using Handtools And Fixtures, To Fit Rib To
Post At Specified Height. Files And Fits Each Rib Slot To Each
Post Along Barrel To Align And Level Rib. Stamps Identifying
Data On Rib And Barrel, Using Punches And Hammer. Operates Bench
Drill Press To Drill Holes In Barrel For Retaining Pins And
Sighting Beads.
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