Device for preventing unauthorized use of a firearm

Device for reducing firearm recoil

Device for signaling

Device for training retriever dogs

Device for use in deactivating firearms

Dry fire unit

Dual range projectile and launching device and disposable launch

Ejected cartridge case receiver

Expendable launcher for non-lethal ring airfoil projectile

Explosive powder driven fastening fastening element setting devi

Explosive powder operated setting device

Externally visible safety device for firearms

Firearm

Firearm cartridge receiver

Firearm cleaning device

Firearm magazine lock

Firearm magazine lock

Firearm mechanism

Firearm recoil buffer

Firearm recoil reducer