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Beretta AR-70/223 and AR-70/90 assault rifle (Italy)
|Caliber||5.56x45mm M193||5.56x45mm NATO (SS109/M855)|
756mm SC-70/90 with folded butt
663 mm with folded butt
|Barrel length||450 mm||450 mm||360 mm|
|Weight, empty||3.8 kg||4.07 kg||3.80 kg|
|Magazine capacity||30 rounds|
|Rate of fire||650 rounds per minute||670 rounds per minute|
|Effective range||400 meters||500 meters||350 meters|
Famous Italian arms company Pietro Beretta Spa began to develop a new assault rifle, chambered for American 5.56mm cartridge in 1968. The resulting design appeared circa 1972 and after trials was adopted by the Italian Special forces,as well as by some foreign armies, like those of Jordan, Malaysia and others.The rifle was designated AR-70/223, and was available in three basic versions(standard assault rifle AR-70/223, carbine SC-70/223 with same barrel and folding butt, and a special carbine SCS-70/223 with shortened barrel and folding butt). The Squad Automatic (light machine gun) variation of the basic 70/223 design, with the heavy, quick detachable barrel also was developed but never produced in quantity.
The basic design showed some minor flaws, and when Italian army decided to replace its ageing 7.62mm Beretta BM59 automatic rifles with the new 5.56mm NATO assault rifle, Beretta entered the contest with the upgraded version of the 70/223. This upgraded version appeared in 1985, and eventually won the following trials. In 1990 it was adopted as the basic AR-70/90 assault rifle, with the available modifications of SC-70/90 (same rifle but with the folding buttstock for Special Forces) and SCP-70/90 (Airborne troops carbine with shortened barrel and folding butt). A squad automatic version with heavy, non-detachable barrel and detachable bipod is available as AS-70/90. The Beretta AR-70/90 is a general issue shoulder arm with the Italian Army, and also is offered for export. Both70/223 and 70/90 rifles are available in semi-automatic only versions, for police or civilian markets.
The AR-70/223 and AR-70/90 rifles are very similar in basic design, but with some differences. The description below is for AR-70/90, with differences to 70/223 noted, where appropriate.
The AR-70/90 is a gas operated, magazine fed, selective fire weapon. The receiver is made from stamped sheet steel, and consist of two halves, upper and lover, connected by two cross-pins, at the rear and at the front. For maintenance and field stripping the rear pin is pushed out and the receiver is hinged around the front pin. If required, the front pin can be removed too, so the receiver halves will be separated completely. On the AR-70/223 the upper receiver is of square cross-section, with stamped bolt guides. This design proved to be not strong enough, so the AR-70/90 features a trapezoid-shaped upper receiver cross-section, with separate bolt guides welded in place.
The gas operated action of the AR-70/90 is fairy conventional, with the longstroke gas piston, located above the barrel. The gas piston rod is linked to the bolt carrier by using a cocking handle as a lock, and the return spring is located around the gas piston, above the barrel. The gas block featured a two positions gas regulator (for normal and adverse conditions), and the gas cutoff,integral with raising grenade sight. When grenade sight is raised into the firing position, it automatically closes the gas port. The rotating bolt is somewhat similar to one, found in the Kalashnikov AK-47 rifles, and has two massive lugs, which are locked into the barrel sleeve, which is welded into the receiver. The charging handle is attached to the bolt carrier.
The barrel is fixed to the receiver using the threaded barrel nut, allowing for quick barrel replacement (for repair purposes only, not in the field), without the extensive headspace adjustments. The barrel bore is chrome-plated.
The conventional trigger / hammer mechanism allows for single shots and fullauto on the AR-70/223 rifles and for single shots, 3 rounds bursts (optional)and full auto on AR-70/90 series rifles. The safety /selector switch is ambidextrous on AR-70/90 series rifles, and is located on the right side of the receiver on the AR-70/223 series rifles.
The feeding of AR-70/90 series weapons is achieved by using STANAG (M16-type)compliant magazines, with the ambidextrous magazine release button located at the both sides of the magazine housing in the lower receiver. On the AR-70/223 rifles, feeding was from the proprietary 30 rounds magazines, with the magazine release lever located between the magazine and the trigger guard. Both AR-70/90 and AR-70/223 series rifles featured a bolt stop device, which holds the bolt open when the last round from the magazine is fired. The bolt release button is located at the left side of the receiver, above the magazine housing.
The sights of the AR-70/90 rifles consists of the hooded front blade, mounted on the top of the gas block, and the flip-up aperture rear, marked for 250 and400 meters range. The top surface of the receiver is fitted with the NATO-standard scope / accessory rail. A detachable carrying handle with thesee-through base is available for all AR-70/90 series rifles. The AR-70/90 also can be equipped with Zeiss "Orion" night-vision sight or the Aimpoint4X telescope sight (any other sights with compatible mountings also can be easily installed, if required).
The furniture on all rifles is made from plastic, with the standard rifle shaving the fixed plastic buttstocks. The SC-70/223 and SC-70/90 Special Forces carbines are different from AR rifles only by having the side-folding, skeleton type metallic buttstocks, covered with plastic. The SCP-70/90 carbine is similar to the SC-70/90 except that it has a shortened barrel which cannot be used to launch rifle grenades directly. However, a special detachable rifle grenade launcher is available for short barreled carbines, which could be easily clamped onto the muzzle of the gun. The hollow pistol grips of all AR-70/90 series rifles is used to store a cleaning kit.
A wide variety of accessories is available for AR-70/90 rifles, including knife-type bayonets, lightweight, foldable and detachable bipods, blank firing adaptors etc.