A barrel-mountable accessory to couple to a muzzle end of a firearm barrel, including: a first side having an opening arranged to fit around the muzzle end of the barrel; and a second different side having a taper pin opening; and a taper pin insertable into the taper pin opening of the barrel-mountable accessory, wherein the taper pin includes: a length including a first region arranged to mate with a taper interface provided on the muzzle end of the barrel; the length further including a second region to contact a sidewall that defines the taper pin opening of the second side; and means for driving the taper pin into the taper pin opening, wherein the driving means is located on an end of the taper pin.

A firearm or a firearm retrofit assembly to provide the firearm with gas compensation to reduce recoil, wherein a barrel of the firearm or firearm retrofit assembly includes a length having an egress for gas propelled from a chamber inside the barrel, the firearm or a firearm retrofit assembly includes a compensation device to mount in front or behind a front wall of a slide associated with the barrel, the compensation device including: a first side having an opening arranged to fit around a length of the barrel; and a second different side having an opening to expose the egress of the length of the bore.

An optic guard for a firearm may include: a frame; and a bracket having a first side to attach to a firearm assembly, the bracket integrally formed with the frame or fixably attached to the frame at a second side of the bracket. The frame may be arranged to protect a top and sides of the optic when the first side of the bracket is attached to the firearm assembly. In some embodiments, the second side of the bracket defines an optic attachment, wherein the frame protects the top and sides of the optic when the optic is coupled to the bracket using the optic attachment. In some embodiments, the first side of the bracket may define a protrusion or opening to mate with an opening or protrusion in front of an optic mounting platform.

A cover for use with an optic device to hold and display shooting information. The cover may have resilient retention members that allow a display to be releasably attached and detached from the cover. The display may be made from a single substrate or multiple substrates in order to make the shooting information contained thereon highly visible in a variety of conditions and shooting preferences. The display may further be customized by a user to include desired DOPE information and then printed onto the single or multiple substrates. A system and method for creating custom DOPE charts is also provided.

A cover for use with an optic device to hold and display shooting information. The cover may have resilient retention members that allow a display to be releasably attached and detached from the cover. The display may be made from a single substrate or multiple substrates in order to make the shooting information contained thereon highly visible in a variety of conditions and shooting preferences. The cover may include a flexible body for securing the cover to optic devices of a variety of sizes.

The disclosure relates to a viewing optic. In one embodiment, the disclosure relates to a viewing optic having an integrated display system. In one embodiment, the disclosure relates to a viewing optic having an integrated display system for generating images that are projected into the first focal plane of an optical system.

A scope cover can include a flexible fabric shell, a strap coupled to the flexible fabric shell that can secure the flexible fabric shell to the scope. An area of the interior surface of the flexible fabric shell can minimize or eliminate scratching of the objected lens of the scope. A method of minimizing abrasion to a scratch-sensitive surface of the scope is also described.

A firearm heater system for warming a scope of a firearm. The firearm heater system comprising an upper portion, a lower portion, a pocket portion and an edge portion. The upper portion is attached to the pocket portion. The lower portion is attached to the pocket portion. The edge portion is attached to the pocket portion. The edge portion comprise one or more dial apertures. The one or more dial apertures configured to allow access to portions of the scope. The pocket portion comprise a pocket. The pocket is configured to receive a portion of a hand warmer. The firearm heater system configured to wrap around a portion of the scope and hold a portion of the hand warmer against the scope.

A scope cap assembly for mounting on a scope of a firearm is provided, including a resilient sleeve for mounting to the scope of the firearm; a support body fixed to the resilient sleeve and including a mounting portion; a cap defining an aperture and pivotably mounted to the support body and movable between a closed position and an open position greater than 180 degrees from the closed position; a biasing member for biasing the cap towards the open position; a retaining mechanism for releasably securing the cap at an intermediate position between the closed position and the open position; and a first removable disc configured for placement within the second aperture and defining a annular protrusions for cooperating with annular flanges of the cap to secure the first removable disc in the cap.

A retainer system is provided for tethering a cap to a body on an optic, where the cap and body define an inner cavity. The retainer system includes a lanyard and an inner attachment. The lanyard is fixed on a first end to a surface of the cap facing the inner cavity. The inner attachment is fixed on a first end to a second end of the lanyard and is fixed on a second end to an inside wall of the body facing the inner cavity. When the cap is closed on the body, the lanyard and inner attachment are contained completely within the inner cavity.