Abstract: An armorer tool for distributing the torque associated with assembling and disassembling components of a firearm.

Abstract: A mount for securing a knife to a firearm rail for use of the knife, e.g., to engage a target at close range.

Abstract: A trigger mechanism is provided with selectable pull characteristics. The trigger mechanism can include a mode selector element configured to select one of a plurality of disconnector elements designed to provide different pull characteristics. The trigger mechanism can include a trigger element including a trigger sear, a plurality of disconnector elements, a hammer element, and a mode selector. Each disconnector element can provide different pull characteristics. The hammer element is operable between a cocked position and a released position and includes a hammer sear configured to engage the trigger sear when the hammer element is in the cocked position. The mode selector element is adjustable between a plurality of positions to select between the different pull characteristics.

Abstract: The present disclosure provides an ergonomic handguard that supports rail mounted weapon accessories in a variety of different orientations. The handguard includes sides and bottom surfaces that are ergonomic. The stem includes modular sections of picatinny rail that can be attached to various locations on the handguard as needed to provide a mounting structure for rail based weapon accessories.