| CPC F41A 21/484 (2013.01) [F41A 11/00 (2013.01); F41A 21/482 (2013.01); F41C 23/16 (2013.01)] | 18 Claims |

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1. A quick-detach barrel mounting facility for a firearm having a frame and a barrel comprising:
a first side element associated with a selected one of the frame and the barrel;
a second side element associated with the other one of the frame and the barrel;
a first side element including a first body defining a plurality of passages;
the first side element including a plurality of locking elements;
each locking element received in a passage and operable to reciprocate in the passage between an engaged position and a disengaged position;
the first side element including a latch element connected to the first body and having a locking surface proximate each of the passages and adapted to contact each of the locking elements;
the latch element being movable between an unlocked position in which the locking elements are enabled to move to the disengaged position and a locked position in which the locking elements are retained in the engaged position;
the second side element defining a plurality of apertures; and
each aperture adapted for engagement by an associated locking element to secure the first side element to the second side element when the locking elements are in the engaged position, and to enable separation of the first side element from the second side element when the locking elements are in the disengaged position, such that the barrel is removable from the frame by moving the latch element to the unlocked position.
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