US 11,774,197 B2
Pistol multi-functional rear rail module
David Borges, Fairfield, CA (US); Loran Kelley, Carson City, NV (US); Michael Guttridge, Dixon, CA (US); and Grant Griffard, Soquel, CA (US)
Assigned to POLYMER80, INC., Dayton, NV (US)
Filed by Polymer80, Inc., Dayton, NV (US)
Filed on Aug. 4, 2022, as Appl. No. 17/881,587.
Application 17/881,587 is a continuation of application No. 16/892,069, filed on Jun. 3, 2020, granted, now 11,441,858.
Application 16/892,069 is a continuation of application No. 15/812,635, filed on Nov. 14, 2017, granted, now 10,739,090, issued on Aug. 11, 2020.
Claims priority of provisional application 62/505,309, filed on May 12, 2017.
Prior Publication US 2022/0373278 A1, Nov. 24, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. F41A 3/64 (2006.01); F41A 3/66 (2006.01); F41C 3/00 (2006.01)
CPC F41A 3/64 (2013.01) [F41A 3/66 (2013.01); F41C 3/00 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A pistol, comprising:
a frame having a rear grip, a trigger facility forward of the grip and an upper surface;
an elongated slide connected to the frame and operable to reciprocate along the upper surface;
the frame defining a rear recess open at the upper surface;
a unitary insert having a major lower portion removably received in the rear recess and having a pair of opposed frame rails extending from the major portion above the upper surface, the frame rail adapted to connect with the slide to constrain reciprocation; and
the rear recess having a rear wall with a forward-facing wall surface, and the major lower portion of the unitary insert having a rear surface adjacent the forward-facing wall surface.