Backplate for a detachable gun lock

Bullet drop compensating scope mount

Bullet identification

Cartridge extraction tool

Cartridge retriever mounting and attaching device for a colt M-1

Chamber alignment and safety system for a firearms

Clip-on sight mount

Clipboard incorporating weapon

Close combat backup weapon

Concealable firearm

Convertible firearm-airgun

Counterbalance for handgun

Counting device impulse activator with torque limiter

Cylinder lock for revolvers

Day-night sight mounting bracket for weapon

Desiccating device for firearm

Detachable gun lock

Detachable gun sight mounts

Detachable top side mount

Device for launching non-lethal ring airfoil projectiles