Method of straightening firearm barrels

Details Method of straightening firearm barrels Method of straightening firearm barrels

1976-07-29

1977-12-06

Larson, Lowell A.

Metal deforming

With indication of condition or position of work, product,...

Work drawn or extruded through die

72369, B21D 316

Patent

active

040610063

ABSTRACT:
To straighten firearm barrels with bores running out to muzzle ends, a barrel is bent at a transverse barrel plane at a distance of less than half the barrel length from the muzzle end to an extent and in a direction to bring the bore center axis at this barrel plane into line with a straight reference axis passing through the centers of the opposite bore ends.

REFERENCES:
patent: 795300 (1905-07-01), Nichols
patent: 1551715 (1925-09-01), Urschel

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