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  • Bernardelli B4 Tactical Combat Shotgun


    The Bernardelli B4 offered up semi-automatic or pump-action fire from a detachable 12-gauge box magazine.



     Updated: 7/29/2015; Authored By Staff Writer; Content ¬©www.MilitaryFactory.com


    The Bernardelli B4 series of gas-operated, tactical combat shotguns was a semi-automatic system utilizing 12-gauge ammunition and designed exclusively for operations by military and security forces. The B4 came about as an answer to the United States JSSAP (Joint Service Small Arms Program) specification calling for a new type of semi-automatic shotgun. The 1970's-era program sought to coordinate weapon standardization between the main branches of the US military.

    The resulting B4 proved of high quality and durability and was distinct from other combat shotguns in that it operated from a detachable box magazine instead of a tubular magazine. Additionally, the B4 could be operated as a self-loading weapon or manually using the pump slide. The semi-automatic action was to provide a higher "second hit" probability by not having the operator pump the slide to introduce the follow-up round, thus potentially losing track of his target (if only for a second or two). The shotgun also featured an integrated carrying handle, folding stock and a high-quality steel barrel with an overall anti-glare finish. Ammunition types were all conventional and the weapon could fire from a 3-, 5- or 8-round curved detachable box magazine.

    The series, along with its semi-automatic action, were banned from import in the United States, along with several other potential box-fed shotgun systems on the civilian market (including the Italian Beretta M3P and French SPAS-15) - courtesy of the Assault Weapons Ban Act beginning in 1994. The B4 also appeared in a pump-action only model designated as the B4/B. The B4/B visually retained the stock and body of the B4 with some slight alterations to the pump slide and forward section.

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    Bernardelli B4 Technical Specifications


    Service Year: 1985
    Type: Tactical Combat Shotgun
    National Origin: Italy
    Manufacturer(s): Bernardelli - Italy



    Design (Internal, Dimensions and Weights)


    Firing Action: Gas-Operated Semi-Automatic / Manual Pump-Action
    Available Caliber(s): 12 Gauge
    Ammunition Count / Feed: 3-, 5- or 8-round detachable box magazine
    Overall Length: 950 mm (37.40 inches)
    Weight (Empty): 7.61 lb (3.45 kg)
    Sighting Assist: Iron

    Performance


    Global Operators / Customers


    Italy; United States

    Model Variants


    B4 - Base Model; self-loading or pump-action loading via selector switch.

    B4/B - Based on the B4 sans self-loading action and selection; lighter than standard B4 model.