Firearm having chamber status indicator and firearm retrofitting

Details Firearm having chamber status indicator and firearm retrofitting Firearm having chamber status indicator and firearm retrofitting

1998-05-15

2000-12-19

Johnson, Stephen M.

Firearms

Indicators

Chamber status

F41G 154

Patent

active

061613223

ABSTRACT:
Semi-automatic breech locking pistol having a reciprocally movable slice defining an upwardly and laterally outwardly open ejection port and a barrel including a rear part having a rearwardly extending headspace extension hood and exposed within and providing a closure for the ejection port in locked breech condition. A rearwardly open notch formed in the headspace extension hood facilitates determination of chamber status by direct visual observation.

REFERENCES:
patent: 945328 (1910-01-01), Johnson
patent: 1028032 (1912-05-01), Krag
patent: 2416712 (1947-04-01), Parker
patent: 3401665 (1968-09-01), Kelley
patent: 3901125 (1975-08-01), Raville
patent: 4089250 (1978-05-01), Jakubowski, Jr. et al.
patent: 4216601 (1980-08-01), Musgrave

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