The Rossignol ENT was an experimental

automatic rifle An automatic rifle is a type of Self-loading rifle, autoloading rifle that is capable of fully automatic firearm, automatic fire. Automatic rifles are generally selective fire, select-fire weapons capable of firing in Semi-automatic firearm, semi ...

of French origin from around the first years of the 20th century. It was the first rifle which used the

direct impingement Direct impingement is a type of gas operation for a firearm that utilizes gas from a fired cartridge to impart force on the bolt carrier or slide assembly to cycle the action. Firearms using direct impingement are theoretically lighter, more acc ...

operating system, which found later use in the Swedish

Ag m/42 A&G, AG, Ag or ag may refer to Businesses and organizations * A&G Railroad (former reporting mark AG) * Action Group (Nigeria), a political party during the Nigerian First Republic * Aktiengesellschaft, a German type of corporation * Assemblie ...

, the French 1940 MAS and, most notably, the

AR-10 The ArmaLite AR-10 is a 7.62×51mm NATO battle rifle designed by Eugene Stoner in the late 1950s and manufactured by ArmaLite (then a division of the Fairchild (aircraft manufacturer), Fairchild Aircraft Corporation). When first introduced in 1956 ...

and AR-15 series of rifles. Rossignol developed the new impingement system, and modified the Friberg-Kjellman system of opposing, retractable bolt lugs for this experimental rifle. The rifle was produced under the École Normale de Tir, thus the ENT designation, and was produced in at least four variants, "ENT No. 1 or B1, B2, B4, B5".

Specifications

* Cartridge: 6×60mm * Caliber: 6mm * Weight: 9.7 kg * Operation: Gas direct-impingement

Specifications

References

Further reading