A speaker system is removably attached to a cellular telephone or telephone case to augment or supplant audio output of the phone. In one example, the system includes a protective telephone case with built in speakers. The attachment mechanism may alternatively or additionally be used as a universal attachment for cellular telephone accessories. The system may include a fastening mechanism configured to attach any accessory to a phone surface.

A reflective gun sight includes a rear sight including a light source; and a front sight including a reflective surface that is directly opposing the light source and recessed within an aperture of a front sight housing, wherein light emitted from the light source travels through the aperture and is reflected by the reflective surface toward the rear sight.

A reflective gun sight includes a rear sight including a light source; and a front sight including a reflective surface that is directly opposing the light source and recessed within an aperture of a front sight housing, wherein light emitted from the light source travels through the aperture and is reflected by the reflective surface toward the rear sight.

This application relates to a slide cover device for a shooting gun. In one aspect, the slide cover device includes a main body mounted on the shooting gun. The slide cover device may also include a movement hole provided in a rear portion of the main body so that a slide is movable backward. The slide cover device may move forward and backward while passing through the movement hole.

Improved firearms including one or more of a removable and/or interchangeable top cover, an improved extractor mechanism, a striker safety mechanism with a direct trigger interface, a sear with direct striker interface, and/or a striker with integral striker spring retention features.

A sight mountable or mounted on a device including a rear sight and a front sight each having a sight aiming indicia useful in aiming the device.

A sight mountable or mounted on a device including a rear sight and a front sight each having a sight aiming indicia useful in aiming the device.

The invention relates to a uniquely designed set of iron sights for a firearm. The rear site includes a ring aperture and notch located directly above the ring aperture. The front site includes a bead or substantially circular section to be centered inside the ring and a thinner post style extension located above the bead to interact visually with the notch.

The invention relates to a uniquely designed set of iron sights for a firearm. The rear site includes a ring aperture and notch located directly above the ring aperture. The front site includes a bead or substantially circular section to be centered inside the ring and a thinner post style extension located above the bead to interact visually with the notch.

A gun sight assembly includes a housing with an inner bore and a sleeve. The sleeve has an axial cavity in which a luminescent source may be housed. The sleeve is press-fit into the bore such that complementary engagement features of the bore and the sleeve engage each other to lock the sleeve in place within the bore. In one version, the sleeve can be first received within an adapter configured for press-fit into the bore of the gun sight blank.