Abstract: A holster for a handgun comprising a holster body made of a substantially rigid and non-pliable material and configured for securely receiving a handgun therein. The holster body comprising a holster cavity configured for securely accommodating and partially embracing portions of the handgun, and a retention arrangement comprising a left-side trigger guard member and a right-side trigger guard member facing one another and configured for snug fitting within the handgun's trigger guard. At least one of the trigger guard members is a hinged trigger guard member, pivotally secured to the holster body.

Abstract: A handgun configured with a hammer insert retained within a rear portion of a frame of the handgun, said hammer insert configured for bearing loads imparted thereto during cocking and firing sequence. And a hammer insert for use in conjunction with a frame of a handheld firearm, the hammer insert configured for sliding insertion into the frame from a rear face thereof, and configured for pivotally supporting a hammer.

Abstract: A handgun configured with a hammer insert retained within a rear portion of a frame of the handgun, said hammer insert configured for bearing loads imparted thereto during cocking and firing sequence. And a hammer insert for use in conjunction with a frame of a handheld firearm, the hammer insert configured for sliding insertion into the frame from a rear face thereof, and configured for pivotally supporting a hammer.