Delayed blow-back for firearms
Delayed bolt action for firearm
Device for causing a firearm to fire in controlled bursts
Device for controlling the degree of blowback delay in automatic
Device for controlling the firing current of a quick-firing weap
Device for limiting the field of fire in elevation on an automat
Device for locking a tilting barrel of a pistol
Device providing an electrical connection between a weapon...
Device to open and close the bolt in semiautomatic pistols
Direct drive retrofit for rifles
Direct drive retrofit for rifles
Direct drive retrofit for rifles
Direct drive toggle action
Double acting, pneumatic bolt and sear buffer for automatic cann
Double action firing pin system
Double action firing pin system
Double action firing pin system
Double action pistol
Double action pistol
Double action semi-automatic handgun