O'Malley's weapon aiming system
Obturation in a firearm
Offset accessory mount
Offset attachment for use with a firearm scope
One piece ejector/ejector spring for cartridge firing weapons
One piece hand grip for pistol
One-piece gas tube for SKS rifle
One-piece synthetic undercarriage
One-piece synthetic undercarriage
One-piece trigger for lever action rifle with exposed hammer
One-shot weapons
Operating element for a telescopic sight
Optical accessory
Optical clamping system
Optical disk
Optical imaging device for firearm scope attachment
Optical sight
Optical sight apparatus for firing from cover positions
Optical sight having a glow-in-the-dark aim indicator
Optical sight system with wide range of shooting distances