The CZ Model 23/25 (properly, Sa 23/25 or Sa vz. 48b/samopal vz. 48b – samopal vzor 48 výsadkový, "submachine gun model year 1948 para") was a series of Czechoslovak designed submachine guns introduced in 1948.

The Sa 23 (Czech: Samopal 23) series of submachine guns was first conceived just after World War II, when Czech arms designer Vaclav Holek developed a submachine gun patterned after the various conventional blowback designs of the time (the MP 40, Sten, etc.), but with some innovative updates.

All Sa 23 series submachine guns are blowback operated, select-fire weapons which fire from open bolt. The trigger works as a fire selector – short trigger pull produces single shots, while long pull produces burst fire.

Sep 26, 2018 · The Sa vz. 23 quickly established itself as the standard-issue SMG for the Czech Army during 1951-1952. The Sa vz. 24 (vz. 48a./52) followed in retaining the wooden stock but was chambered for the 7.62x25mm Tokarev cartridge instead.

The Sa 23 series utilize a straightforward blowback action, with no locked breech, and fire from the open bolt position. They also use a progressive trigger for selecting between semi-automatic fire and fully automatic fire. Lightly pulling on the trigger will fire a single shot.

The Sa 23 (vz. 48a) was the first variant, using a fixed wood stock and firing standard 9×19mm Parabellum (aka 9mm Luger Parabellum) ammunition. Has a straight vertical pistol grip and ammunition magazine.

The S-300VM "Antey-2500" (Russian: С-300ВМ Антеӣ-2500, NATO reporting name SA-23 Gladiator/Giant) is a Russian anti-ballistic missile system. The system is designed to target short-and medium-range ballistic missiles, aeroballistic missiles, cruise missiles, fixed-wing aircraft, loitering ECM platforms, and precision-guided munitions.

Jul 17, 2020 · It has been described as a “no-frills” submachine gun and features a basic tubular-shaped receiver that houses the firing action. It has simple iron sights and is capable of firing about...

Nov 5, 2014 · Caliber: 9 mm (Sa 23 and Sa 25) and 7,62-mm (Sa 24 and Sa 26). Weight: kg 3,27 (folding stock), kg 3,5 (wooden). Length: 445 / 668 mm (butt folded / decomposed).

…Václav Holek in the Czechoslovak Model 23 of 1948. This involved a hollowed-out bolt that slid partially over the barrel when a round was chambered, resulting in a much shorter weapon. A prominent example of this type was the Israeli Uzi, designed by Uziel Gal, which was only 25 inches… Read More