Accuracy device for semi-automatic pistols

Details Accuracy device for semi-automatic pistols Accuracy device for semi-automatic pistols

1979-03-26

1980-09-16

Bentley, Stephen C.

Ordnance

Automatic

Movable barrel

F41C 506

Patent

active

042223083

ABSTRACT:
The accuracy of a semi-automatic piston of the locked breech type is improved by tapering each side of the tenon at the rear of the barrel and correspondingly tapering the tenon engaging recess in the slide, thereby assuring that the rear of the barrel is accurately centered at the breech face of the slide and is prevented from moving laterally. The mating surface of the under-barrel lug is contoured such that when the barrel is in battery the slide stop pin bears against the under-barrel lug in such a manner as to cause the barrel to be jam fitted between the slide stop pin and the underside, top surface of the slide thereby preventing any vertical movement.

REFERENCES:
patent: 3411404 (1968-11-01), Pachmayr et al.

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