Beretta A400 Xtreme Optifade KO Instruction Manual - Page 3
B Link Engine
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Patented Kick Off3 device for recoil absorption KICK OFF3 is the very latest innovation in the effective and noticeable reduction of recoil, developed by the Kick Off design team at Beretta. The KICK OFF3 is located inside the stock bolt tube and works during the final backward travel phase of the breech bolt during the operating cycle, for impact attenuation and shock reduction. New quick removable B Lok fore-end cap The fore-end is equipped with a new cap that can be easily removed and remounted on place by simply turning the cap by approx. % of a turn. Designed to accept optics and aiming systems The receiver is designed to accept optics and other systems . . Great fire capacity The capacity of the magazine is limited to 2 cartridges, in accordance with hunting legislation in many countries. Where it is legal, the standard capacity of 3+ 1 and 5+ 1 (with magazine reducer removed) can be increased to 5+ 1 and 7+1 rounds with an optional magazine extension. Stock in fiberglass-reinforced Technopolymer Produced in durable, resistant, anti-scratch and comfortable material - featuring special plastic inserts on the grip areas of the stock and fore-end to improve and absorb vibrations. Stock The stock is designed to allow the interchangeability of spacers without any adjustment. By assembling spacers of different thickness, one can modify the length of pull. There are two kinds of spacers 1in. of thickness or 0.5 in. of thickness. B Link "Engine" The A400 Xtreme Unico shares the same operation system as the A400 series Beretta semiauto shotguns: The reliable Blink system based on the integration of the new Beretta gas system, the rotating bolt head lock-up and a new feeding system. The new gas system features an innovative piston with elastic scraper band that also functions as a gasket. In this way the B Link is more powerful and much cleaner. Faster than any other semiautomatic The mechanism of the A400 Xtreme Unico is a true jewel of engineering which distinguishes itself from all other systems on the market with its exceptional cycling