| Job Title |
Barrel Straightener I |
| Job Description |
Straightens Small Arms Barrels To Remove Bends And Crooks,
Using Either Line Or Ring Method: (1) Positions Barrel In
Straightening Press, Sighting It Toward Frosted Glass Plate
Across Which Is Drawn Black Horizontal Line. Sights Through
Barrel, Noting Two Line-shadows Cast Longitudinally Along
Interior By Reflected Light From Frosted Glass. Tightens Jaws Of
Press To Bend Barrel At Points Where Shadows Are Not Straight To
Straighten Barrel (line Method). (2) Positions Barrel On Special
Fixture. Sights Through Barrel Toward Light, Noting Position Of
Three Ring-shadows Cast Inside Bore By Light Passing Through
Ring Scribed On Smoked Glass At Far End Of Barrel (eccentric
Rings Denote Bend In Barrel). Removes Crooked Barrel From
Fixture And Strikes It With Soft Metal Mallet Against Babbitt
Block To Remove Bend Indicated By Position Of Rings (ring
Method).
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