Firearms – Muzzle making – attaching or repair
Patent
1990-10-09
1991-10-15
Carone, Michael J.
Firearms
Muzzle making, attaching or repair
362110, F41G 135
Patent
active
050562541
ABSTRACT:
The original recoil spring rod or guide that is present on many semi-automatic pistols is removed and replaced with a new guide that differs from the original by having a means for affixing a mount to the new guide. In one embodiment the new guide has a threaded bore in the end that is exposed at the front of the pistol. Complementary threads are provided on a bolt or machine screw, and a structural mount is configured so that is may be rigidly affixed to the guide (and thusly affixed to the frame of the pistol) by the bolt or machine screw, etc. In another embodiment, the replacement guide is significantly longer than the original guide; and the extra length that protrudes out of the front of the pistol is given external threads. A nut with complementary threads is then used to rigidly fix a mount to the frame of the pistol. In another embodiment, a shallow circumferential groove is cut into the protruding end of a replacement guide, and a spring-biased detent is provided in the mount at a location where it will engage the groove and hold the mount securely on the pistol. The mount is configured in whatever way seems to be desirable in order to best support the particular sighting aid that is to be added to the pistol. The sighting aid may be a miniaturized laser or a small flashlight, etc. The new recoil spring guide may be permanently left with the pistol, while the sighting aid may be repeatedly installed and removed as needed.
REFERENCES:
patent: 4777754 (1988-10-01), Reynolds, Jr.
patent: 4934086 (1990-06-01), Houde-Walter
Carone Michael J.
McHugh Charles W.
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