| 摘要 |
An outer tube complementarily and slidably receives a central mandrel in complementary coaxial relationship, wherein the outer tube includes collet spring fingers mounted at a lower distal end thereof, wherein the outer tube upon projection of the central mandrel therethrough effects a spreading of the collet fingers for engagement with a rear terminal end of an associated pistol cylinder or barrel of a long arm such as a rifle. The collet fingers include annular flanges to be received within the rear face of the cylinder or chamber for locking the organization within the pistol structure. Coaxially aligned bores of the outer tube and the central mandrel when aligned permit positioning of a latch therethrough preventing removal of the organization in a pistol.
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