The Beretta AR70/90 is a gas operated assault rifle chambered for the 5.56×45 mm NATO cartridge, and is the standard issue service rifle of the Italian Armed Forces. The weapon is also designed to be fitted with a rifle grenade, and has grenade sights. The AR series comes in many variants such as the AR90, with a wire folding stock, for use by ...

1968 年，意大利伯莱塔公司与瑞士工业公司（SIG）共同研制一种5.56mm口径的突击步枪，SIG公司的总设计师Rudolf Amsler主张采用回转式枪机，两家公司共同研制出一种 发射美国M193步枪弹 的小口径样枪，当时名为“SIG-Beretta .223样枪”。

ar-70/90的机匣也由钢板冲压成上下两部分，并通过前后两根销连接。在维护和野战分解时把后面的销用弹尖顶出，并以前面的销为铀把机匣翻开（如果需要，前面的销也可以拆出）。

貝瑞塔AR70/90（英語： Beretta AR70/90 ）是一款以氣動式操作、1970年代由槍械製造商貝瑞塔所設計和生產的突击步枪，亦是目前意大利武裝部隊的制式步槍，發射5.56×45毫米 北約 口徑 步枪 子彈。

The Beretta AR70/90 is a gas operated self-loading assault rifle chambered for the 5.56mm cartridge, and is the standard issue service rifle of the Italian Armed Forces. The weapon is also designed to be fitted with a rifle grenade, and has grenade sights.

2011年11月4日 · The Beretta AR-70 is an effective and reliable firearm, though it doesn’t offer much novelty. The upper and lower receivers are stamped, the operating mechanism is a long stroke gas piston, and the locking mechanism is a two-lug rotating bolt like an …

2017年5月2日 · After failing to acquire a license to produce the M16 rifle, Beretta worked with SIG from 1963 through 1968 to develop 5.56mm infantry rifles. When the companies parted ways, SIG went on to produce the SIG-540 and Beretta developed the AR-70. It was introduced on the market in 1972, and was adopted by the militaries of Jordan and Malaysia, as ...

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80年代初，意大利伯莱塔公司根据意大利军方对新枪的要求，决定对已装备 特种部队的AR70式5.56mm生枪进行改进，改进后的型号称之为AR7 0/90式5.56mm突击步枪。

伯莱塔ar70/223突击步枪是一种枪的型号，于1968年意大利伯莱塔公司与瑞士工业公司（sig）共同研制。 是一种5.56mm口径的突击步枪，SIG公司的总设计师Rudolf Amsler主张采用回转式枪机。