Abstract: Trigger pull force gauge and methods of use. The trigger pull force gauge includes a housing and an arm extending therefrom. The trigger pull force gauge can include a load cell located at a distal portion of the arm spaced from the housing. The arm can be movable with respect to the housing for selectively positioning the arm in a deployed position and a stowed position with respect to the housing.

Abstract: Gun support apparatus for supporting a gun or components of a gun for assembly, servicing, cleaning, or other gunsmithing operations. A vise may include one or more gun supports for supporting a gun. A gun support may include a magazine well insert receivable in a magazine well of a gun. The support may be pivotable and may include a hammer stop. A gun support may include a channel of tapering width which is pivotable for positioning a desired width of the channel for receiving a portion of a gun to be supported in the channel. A bolt support device may be used to mount a bolt for cleaning or servicing.

Abstract: Attachment mechanisms for attaching firearms to support structures are disclosed herein. An attachment mechanism for attaching a firearm to a support structure according to one embodiment includes a mounting member coupled to an interface member having an aperture, and a latching subassembly having an attachment portion and a latching arm. The attachment portion is configured to engage a connector fastened to the firearm through the aperture, and the latching arm lockably engages the mounting member and is coupled to the attachment portion proximate to the interface member.