Sunday, October 10, 2010

Beretta MAB M938A (1938, 1938/42, 1938/44 and 1938/49) submachine gun




Beretta M938A (Model 1938) submachine gun, left side

 
Beretta M938A (Model 1938) submachine gun, right side


Beretta M1938/42 (Model 1942) submachine gun


Beretta M1938/44 (Model 1944) submachine gun


Beretta M1938/49 (Model 1949 or Model 4) submachine gun


Beretta Model 2 was a folding stock version of Model 1938/49.

  M938A M1938/42 M1938/49
Caliber 9x19mm Luger / Parabellum
Weight, empty 4,2 kg 3,27 kg 3,25 kg
Length   946 mm 800 mm 798 mm
Barrel length 315 mm 213 mm 210 mm
Rate of fire 600 rounds per minute 550 rounds per minute 550 rounds per minute
Magazine capacity 10, 20 30, 40 rounds 20 or 40 rounds 20 or 40 rounds
Effective range 200-250 meters 150-200 meters 150-200 meters

Beretta Model 1938 submachine gun (Mosccetto Automatic Beretta Modelo 938 in contemporary Italian nomenclature, or MAB M938 in short) was among better submachine guns of World War 2. Originally designed and manufactured to rather high standards of peace time, it served to Italian army through the earlier parts of WW2; later on, the originally complicated and expensive design was gradually simplified so guns were made lighter and significantly cheaper; nevertheless, these weapons still were effective and reliable. In post-war period, a slightly modified version of original weapon, known as Model 1938/49 or Model 4 (in post-1956 Beretta nomenclature) served with Italian army well into 1960s and 1970s. It also was widely exported, with customers of various versions including Syria, Iraq, Indonesia, Morocco, Yemen, and, at last but not at least Germany, which received M1938 submachine guns during WW2, and purchased some M1938/49 (M38/49) submachine guns in 1951 for its Border Guard (designated in post-WW2 German service as MP1). Production of M1938 series continued at least until 1962, and probably even slightly longer. Model 38/49 remained in Italian service for much longer period, probably well into 1980s.

Beretta Model 1938 submachine gun is blowback operated, selective fired weapon which fires from open bolt. Original version employed a small diameter return spring, concealed into steel tube which telescoped into the rear of the bolt. The firing pin was controlled by the lever, which pushed pin forward, toward the primer, only when bolt was going into the battery. The separate firing pin was abandoned since model 1938/42, and reduced diameter return spring and its tube guide were replaced by large diameter return spring without guide in model 1938/44. The trigger arrangements with dual triggers (front for semi-automatic fire and rear for full automatic) were similar for all modifications, although safety arrangements varied. The original MAB M1938 submachine gun had lever type safety which was located on the left side of the receiver; additional cross-bolt type control was located just behind the rear trigger; it was used to lock the rear trigger and thus limit the gun to semi-automatic fire only. Bolt handle was located on the right side of receiver and has a sliding dust cover over its slot.

When gun was cocked, shooter had to retract the handle and then return it forward, closing the slot; when gun was fired, cocking handle remained stationary. Feed was from box magazines, which were inserted from below; ejection was, rather unusually, to the left side, although the ejection port was rather far in front of the shooter's face. Stock was made from wood, with semi-pistol grip; several versions also were developed with folding shoulder stock and a separate pistol grip; there were intended mostly for parachute troops. Beretta Model 1938 submachine guns were fitted with relatively long barrels, enclosed into tubular jackets with cooling slots and large muzzle brake / compensator at the front. Since 1942, the barrels were shortened and barrel jackets omitted from design. Muzzle compensators were made in the form of several ports in the upper part of the muzzle, to reduce muzzle climb during automatic fire. Sights on original M1938 submachine guns included tangent-type rear sight, which was later replaced to simpler and less expensive flip-up type rear sight with two settings. Original M38 submachine guns also were capable of mounting a folding knife-bayonet -a feature, also dropped in later versions.

List of versions, built on basic M1938 submachine gun design, with major modifications over previous versions:
Beretta M1938/42 (M38/42)
: barrel jacket omitted, barrel is shortened and fluted
Beretta M1938/44 (M38/44): barrel is plain (not fluted); simplified return spring; flip-up rear sight
Beretta M1938/49 (M38/49): lever-type safety is replaced with cross-bolt safety, made in the form of large oval button, located at the middle of the stock. Overall manufacturing quality is improved over war-time production guns
Beretta Model 1: an experimental folding-stock model for paratroopers, produced in 1941; had unjacketed fluted barrel and extended magazine housing, pistol grip and under-folding metallic shoulder stock
Beretta Model 2: folding-stock model for paratroopers, produced in 1951; externally it was similar to Model 1, but it has bolt and safety of M1938/49
Beretta Model 3: a further evolution of Model 2, developed in 1955; had automated firing pin safety and telescoped buttstock made from steel wire
Beretta Model 4: same as M1938/49, but under different designation
Beretta Model 5: similar to Model 4 (M38/49), but manual safety is replaced by automated safety (safety deactivated only as long as the button on the stock is pressed by non-firing hand).

Wednesday, October 6, 2010

Franchi LF-57 submachine gun


Franchi LF-57 submachine gun, left side




Franchi LF-57 submachine gun, right side

Caliber 9x19mm Luger / Parabellum
Weight 3,17 kg empty
Length (stock closed/open) 419 / 686 mm
Barrel length 200 mm
Rate of fire 500 rounds per minute
Magazine capacity 20 or 40 rounds
Effective range 150-200 meters

The Italian gun-making company Luigi Franchi Spa produced its first submachine gun, designated as LF-56, in 1956. This was a prototype weapon that bore more than a passing similarity to the prototype submachine guns designed couple of years earlier by Beretta in the process of developing the PM 12 submachine guns. Next year, Franchi began production of a slightly improved weapon, designated LF-57. This weapon was adopted by Italian Navy in 1962, but competition from other designs, most notably the Beretta's Model 12 and Heckler und Koch's MP5, limited sales of this basically good weapon, which, nevertheless, remained on the market until late 1980s, mostly because of export sales to certain African countries. In around 1962 Franchi also introduced a semi-automatic version of the LF-57, known as Police Model; this weapon had longer barrel (406mm) and was exported and sold commercially in USA.

Franchi LF-57 submachine gun is blowback operated, full-automatic only weapon which fires from open bolt. The bolt is shaped like an inverted "L", with most of its mass being located above the barrel and in front of the breech face. The receiver, along with pistol grip and magazine housing, is made from two stamped steel halves, left and right. barrel is held at the front of receiver by a screw-on nut. There are no manual safeties on the gun, but an automatic safety is provided in the form of a large button, located below the trigger guard on the front of the pistol grip. The shoulder stock is made from thin steel tubing and folds forward and to the right. Sights are fixed.

Sunday, October 3, 2010

Spectre M4




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Caliber: 9x19mm Luger/Para
Weight: 2,9 kg
Lenght (stock closed/open): 350 / 580 mm
Barrel lenght: 130 mm
Rate of fire: 850 rounds per minute
Magazine capacity: 30 or 50 rounds
Effective range: 50 meters


The Spectre SMG was developed by Italian company SITES in the mid-1980s. Spectre was designed primarily for close combat, anti-terror or police operations that require compact size, instant firepower at the short ranges and safety of operations.

Spectre is a recoil operated, automatic firearm. It fires from the closed bolt, an is a hammer-fired. The trigger group is more similar to handguns, than to SMG - it is Double Action without manual safety but with decocker. So, Spectre could be carried with loaded chamber and hammer down and then fired immediately simply by pressing the trigger. The receiver of the Spectre is made from stamped steel. The bolt is so designed that it acts as an air pump to push air through barrel shroud and provide aditional cooling for the barrel and action (very useful when firing long bursts). Spectre has top-folding stock and polymer forward handle. It uses high-capacity, four column magazines for increased firepower.


Friday, October 1, 2010

Beretta PM 12 and PM 12s submachine gun




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Beretta PM 12 (early version, with pushbutton safety); buttsock is folded


Beretta PM 12S with open buttstock


Beretta PM 12S partially disassembled  

Caliber: 9x19mm Luger/Para
Weight: 3.2 kg empty
Length (stock closed/open): 418 / 660 mm
Barrel length: 200 mm
Rate of fire: 550 rounds per minute
Magazine capacity: 20 , 32 or 40 cartridges
Effective range: 150-200 meters

Famous Italian arms-making company Beretta developed and manufactured a variety of submachine guns since the end of WW1. During the early 1950s, recognizing the need for a compact submachine gun, Beretta initiated a series of developments, which commenced with prototype Model 6 submachine gun of 1953. This weapon employed a stamped steel construction, a folding butt and a L-shaped bolt, most of which mass was located above the barrel. The basic layout of the future weapon was developed by 1957 with prototype Model 10 submachine gun, and final Model 12 emerged in 1958. Production of the new submachine gun commenced in 1959, and in 1961 it was officially adopted by Italian government. It was also widely exported, and manufacturing licenses were sold to Brazil and Indonesia. During early 1980s the basic design was improved with the introduction of the Model 12S submachine gun, which had improved safety arrangement and several other minor changes. Model 12S, also known as PM 12S (Pistola Mitralligica, or machine pistol), is still being manufactured in Italy and Indonesia, and is widely used by European and many other police and security forces.

Beretta Model 12 submachine gun is blowback operated, selectively-fired weapon that fires from open bolt. The bolt is of telescoped design, and most of its weight is located in front of the breech face. Tubular receiver is made from steel stampings, with stamped steel trigger and magazine housing below. Original PM 12 / Model 12 submachine guns featured separate manual safety and fire mode selector, both being made in the form of the cross-bolt buttons. Additionally, there was an automated grip safety below the trigger guard. On PM 12S submachine guns, manual safety and fire mode selector were united into one three-position lever, located above the left grip panel. Automated grip safety was retained. The furniture included polymer front grip and a side-folding metallic buttstock. early Model 12 guns also could be fitted with detachable wooden buttstock.

Thursday, September 30, 2010

Uzi pro submachine gun




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Uzi Pro submachine gun


Caliber 9x19mm Luger / Parabellum
Weight 2,3 kg
Length (stock closed/open) 282 / 514 mm
Barrel length 134 mm
Rate of fire 1050 rounds per minute
Magazine capacity 25 rounds

The Uzi Pro is an evolution of the Micro-Uzi submachine gun. It retains same blowback operated, closed bolt, select-fire action but with side-mounted bolt handle, and the most important change is replacement of the older stamped steel trigger housing with more lightweight polymer pistol grip / trigger housing unit of more ergonomic shape. Top of receiver is provided with parmanently attached Picatinny rail, which is used to install various sights (i.e. Red Dot sights). Additional Picatinny rails are provided on the sides of the barrel and below it (the bottom rail is covered with ergonomically shaped protector when not in use). All firing controls are the same as with Micro-Uzi and include side-mounted safety / fire selector, automated grip safety (of improved shape) and magazine latch. Uzi Pro submachine gun uses same magazines as other weapons of the Uzi family, with 25-round ones being standard.

Wednesday, September 29, 2010

Modern Sub Machine Carbine / MSMC submachine gun

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The Modern Sub Machine Carbine / MSMC submachine gun with optional Israeli-made ITL MARS red dot sight installed on the Picatinny rail.

Caliber 5.56x30 MINSAS
Weight 2.98 kg empty
Length (stock closed/open) 500 / 700 mm
Barrel length 300 mm
Rate of fire 700 rounds per minute
Magazine capacity 30 rounds

The Modern Sub Machine Carbine / MSMC submachine gun was born from the INSAS (Indian Small Arms System) program, which originally included three weapons - the 5.56mm INSAS assault rifle, the 5.56mm INSAS squad automatic / LMG, based on the rifle, and a compact carbine. The INSAS rifle and LMG are already in service with Indian armed forces, but the original INSAS carbine program faced several difficulties. As a result, it was decided to design a carbine around smaller round, based on the shortened 5.56mm cartridge. The new round appears to be of same concept that experimental American Colt MARS, as it has bottlenecked case 30mm long, loaded with light, pointed bullet with steel penetrator core. The bullet weight is 2.6 gram and muzzle velocity from 300mm carbine barrel is listed as 650 m/s, resulting in muzzle energy value of 550 Joules - similar to modern pistol cartridges. The cartridge, known as 5.56x30 MINSAS, offers effective range of about 200 to 300 meters, with good penetration against body armor. The early carbines for this round, known as MINSAS, were based on the INSAS rifle, lightened and scaled down for shortened round. The MSMC, however, derives from this by having more compact, pistol-type layout, which also offers better balance and better maneuverability, especially in confined spaces.

The Modern Sub Machine Carbine / MSMC submachine gun is intended for Indian Special Operation troops, but it also can make a good Personal Defense Weapon for vehicle and gun crews and other non-infantry personnel operating in combat zones. As of now (spring 2010), the Modern Sub Machine Carbine / MSMC submachine gun is in its final stages of T&E by Indian military.

The Modern Sub Machine Carbine / MSMC submachine gun is a gas operated weapon, utilizing rotary bolt locking and a gas piston, located above the barrel. The receiver appears to be made from sheet steel, with outer polymer housing with integral pistol grip. The magazines are inserted into the pistol grip. Buttstock is of telescoped type. Safety / fire mode selector is ambidextrous and conveniently located above the trigger. Standard iron sights are complemented by the Picatinny rail, which can host a wide array of additional day and night sighting equipment. Another unusual accessory for the Modern Sub Machine Carbine / MSMC submachine gun is the bayonet lug, which is located above the barrel, just in front of the receiver.

Tuesday, September 28, 2010

RShG-2 assault disposable grenade launcher / rocket-propelled grenade

Picture: RShG-2 rocket-propelled assault grenade (at the bottom the container is cut out to show the rocket and its warhead)


Caliber: 72.5 mm
Type: rocket
Overall length: 770 mm
Weight: 3.8 kg complete
Effective range: up to 115 m

The RShG-2 rocket-propelled assault grenade is a derivative of the RPG-26 anti-tank rocket grenade, with only differences being the warhead and re-graduated sights. Instead of the HEAT warhead as in RPG-26, the RShG-2 carries a Fuel-Air Explosive (thermobaric warhead in Russian nomenclature, as its primary kill effect is achieved by high temperature and blast pressure wave) warhead which is intended against soft skinned and lightly armored vehicles, buildings, military installations and enemy personnel in defilade or in the open. It was adopted by Russian army in around 2000, and is issued to Russian troops as an infantry support weapon, and also offered for export.

The RShG-2 is a disposable, single shot rocket launcher pre-loaded with fin-stabilized rocket. The single-piece smoothbore barrel / container is made of fiberglass. The rocket is contained in the barrel tube, and its solid-fuel motor burns out completely within the barrel. Because the barrel is open at the rear to avoid recoil, there is a dangerous backblast area behind the firing weapon. In transport/storage mode both ends of the barrel are closed by the front and rear covers, made of rubber; those covers shall not be removed manually and are destroyed during the rocket launch. Firing mechanism is cocked manually by rising the rear sight; lowering the rear sight de-cocks the firing mechanism so the grenade can be brought back to safe mode if the there's no immediate target. The rocket is fin-stabilized (with four switch-blade like fins at the rear), and its solid-propellant motor burns out completely while rocket is still in the barrel. The thermobaric / FAE warhead contains 1.16 kg of explosive fuel, which roughly equals in blast effect to 3 kg of TNT explosive. FAE blast radius is about 1 meter.
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