CETME-L Spanish Military Rifle 5.56mm

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HISTORY

The Model L is a Spanish 5.56×45mm NATO assault rifle developed in the late 1970s at the state-owned small arms research and development establishment CETME (Centro de Estudios Técnicos de Materiales Especiales) located in Madrid. The rifle retains many of the proven design elements the institute had used previously in its CETME Model 58 battle rifles.

The weapon was successfully trialed between 1981 and 1982 and approved for serial production in 1984 at the Empresa Nacional Santa Bárbara factory (currently Santa Bárbara Sistemas, integrated into General Dynamics European Land Combat Systems division). The Model L replaced the 7.62mm CETME Model C in service with the Spanish Army and the first rifles were delivered in 1987, by which time orders for approximately 60,000 had been placed.[2] From 1999 onwards the Model L has now been largely replaced in Spanish service with a license-built variant of the Heckler & Koch G36E.

Operating mechanism

The Model L is a selective-fire, roller-delayed blowback firearm. The weapon features a semi-rigid two-piece bolt mechanism that consists of a bolt head and a supporting angular locking piece. During the "unlocking" sequence, the two cylindrical rollers contained in the bolt head are cammed inward against inclined flanks of the barrel extension and act upon the locking piece and bolt carrier, propelling it rearward at a velocity greater than that of the bolt, which remains closed until the fired bullet has left the barrel and pressures inside the bore have been reduced to a safe level before withdrawing together with the bolt carrier.

Variants

A variant of the Model L is the Model LC carbine which has a short barrel and a collapsible metal shoulder stock, making it particularly suitable for officers, special forces and riot police. These features also allow a high degree of movement in closed spaces or moving vehicles. This carbine version however cannot be used with a bayonet or rifle grenades.

The Model LV (Visor) is a marksman variant equipped with a fixed STANAG mount over the rear sight base; the optic generally used in this role is a nationally produced 4 power ENOSA scope. A starlight scope was also available. An alternate version of the LV was produced for the Spanish Marines. It was equipped with a dovetail mount for the British SUSAT scope. There was a removable flip rear sight that could be used on this version as well. Another model with a rotating drum rear sight used by the Infanteria de Marina was also called LV, leading to some confusion, even in training manual and logistics. The standard rear sight base has a horizontal pin forward, and a circular shallow cavity behind where a detachable scope base could be mounted, but almost never used since not many of these bases were made for general use.

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