The Rossignol ENT was an experimental

automatic rifle An automatic rifle is a type of autoloading rifle that is capable of fully automatic fire. Automatic rifles are generally select-fire weapons capable of firing in semi-automatic and automatic firing modes (some automatic rifles are capable of ...

of French origin from 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 directs gas from a fired cartridge indirectly (through the barrel, through a gas block, and then through a gas tube) into the bolt carrier or slide assembly to cycle the action. Fir ...

operating system, which found later use in the Swedish

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, 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 Corporation). When first introduced in 1956, the AR-10 used an innovative com ...

and

AR-15 An AR-15-style rifle is any lightweight semi-automatic rifle based on the Colt AR-15 design. The original ArmaLite AR-15 is a scaled-down derivative of Eugene Stoner's ArmaLite AR-10 design. The then Fairchild Engine and Airplane Corporatio ...

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 École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Sav ...

, 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