Locked breech is the design of a breech-reloading firearm's action. This is important in understanding how a self-reloading firearm works. In the simplest...

improved Borchardt-type Kniegelenk ("knee-joint") locking mechanism. Unlike Browning's locked-breech design, the barrel in a Kniegelenk design does not...

A breechblock (or breech block) is the part of the firearm action that closes the breech of a breech loading weapon (whether small arms or artillery) before...

A breech-lock is a system for mounting camera lenses to camera bodies. The lens is attached to the camera by means of a rotating ring which is used to...

without grip safety. The Llama III was introduced with a grip safety, locked breech and continued to be made until 1954. It was made in the same calibre...

is a brand of polymer-framed, short-recoil-operated, striker-fired, locked-breech semi-automatic pistols designed and produced by Austrian manufacturer...

The Blish lock is a breech locking mechanism designed by John Bell Blish based upon his assumption that under extreme pressures, certain dissimilar metals...

operated, locked breech semi-automatic pistol introduced in the summer of 2005 by the American company Smith & Wesson. It uses a Browning-type locking system...

Recoil operation is an operating mechanism used to implement locked-breech autoloading firearms. Recoil operated firearms use the energy of recoil to...

weight of the bullet, delay opening of the breech until the bullet has left the barrel. A few locked breech designs use a form of blowback (example: primer...

Maxim gun's toggle lock mechanism. The pistol uses a locked breech and a short recoil operating cycle, with the barrel and breech moving backward together...

1979, authored by Walter Ludwig). The Walther P5 is a recoil-operated, locked-breech, 9 mm semi-automatic pistol. It utilizes the same design principles...

this pistol has fewer moving parts to clean and lubricate than its locked breech counterparts. While most semi-automatic pistols can be field stripped...

9×17mm Short (.380 ACP) cartridge. The Beretta M1951 was Beretta's first locked-breech design on the market. (Previous Beretta semi-automatic pistols were...

Beretta 92G-SD and 96G-SD Special Duty handguns are semi-automatic, locked-breech delayed recoil-operated, double/single-action pistols, fitted with the...

A rifled breech loader (RBL) is an artillery piece which, unlike the smoothbore cannon and rifled muzzle loader which preceded it, has rifling in the barrel...

Walther PPQ is a short recoil-operated locked breech semi-automatic pistol that uses a modified Browning cam-lock system adapted from the Hi-Power pistol...

the Russian military since 2003. MP-446 is a short recoil-operated, locked breech pistol. The key differences between MP-446 and MP-443 are the frame...

Gas-operation is a system of operation used to provide energy to operate locked breech, autoloading firearms. In gas-operation, a portion of high-pressure...

energy from the propellant charge in the cartridge acts upon the safely locked breech and bolt carrier. Simultaneously, a quantity of powder gases driving...

Self-Defense Forces and police. The Nambu pistol is a recoil operated, locked breech, semi-automatic pistol. The Type A and 14 Nambus have magazine capacities...

1995 and features a double action only (DAO) trigger mechanism with a Locked breech recoil operated action. It was intended to address the police backup...

pistols are recoil-operated, locked breech semi-automatic pistols. These pistols use a relatively rare rotating barrel locking system, in which the barrel...

produce. The first design was submitted to the German Army and featured a locked breech and a hidden hammer but the Army requested that it should be redesigned...

32 mm (1.26 in) The short recoil, locked-breech Beretta 92 and short recoil and locked-breech, rotating barrel lock Beretta Px4 Compact designs both have...

frame pistol that operates with a recoil-operated, locked-breech and has a rotating barrel locking system. Like the QSZ92 5.8mm pistol, the QSZ11 can...

breech baby. Due to their higher than average rate of possible complications for the baby, breech births are generally considered higher risk. Breech...

The Welin breech block was a revolutionary stepped, interrupted thread design for locking artillery breeches, invented by Axel Welin in 1889 or 1890....

recoil-operated, locked-breech handgun that uses a modified Browning cam-lock system similar to the one from the Browning Hi-Power pistol. The firearm's locking mechanism...

double-action (DA) variant of the CZ 100. The CZ 110 is a recoil-operated, locked-breech semi-automatic pistol that features a short-recoiling barrel that locks...