The IWI Tavor, previously designated as the Tavor TAR-21 (Tavor Assault Rifle – 21st century), is an Israeli bullpup assault rifle chambered in 5.56×45mm NATO, designed and produced by Israel Weapon Industries (IWI). It is part of the Tavor family of rifles, which have spawned many derivatives of the original design. The Tavor TAR-21 can also be mounted with the M203 grenade launcher, designated as the GTAR-21. A compact variant with a 380 mm (15 in) barrel is also available, designated as the CTAR-21. A designated marksman rifle variant with a folding under-barrel bipod and Trijicon ACOG 4× magnification sight was also made but later phased out in favour for the Tavor TAR Flattop. Built around a long-stroke piston system (as found in the M1 Garand and AK-47), the Tavor is designed to maximise reliability, durability, simplicity of design, and ease of maintenance, particularly under adverse battlefield conditions. In 2009, the Tavor X95 (also known as the Micro Tavor or MTAR) was selected by the Israel Defense Forces to gradually replace the M16 assault rifle and M4 carbine variants as the standard-issued weapon of the Israeli infantry by the end of 2018. The first X95 bullpup rifles were issued to infantry units in 2013. A report published on the IDF's website revealed the IDF plans to continue acquiring the Micro Tavor and equipping combat units with it.
History
Israel Military Industries (the small arms branch of IMI was privatized into Israel Weapon Industries) initiated the Tavor development team in 1995, under the direction of designer Zalmen Shebs. The objective of the project was to create an assault rifle that was more reliable, durable, and easier to maintain than the M4A1 carbine, while also being better suited to close-quarters combat and mechanized infantry roles. As a result, they hoped that the weapon would be officially adopted by the Israel Defense Forces. Due to the military's close-quarters and mechanized infantry requirements, the project team selected a bullpup design that would allow the weapon to be compact while keeping a long barrel able to achieve ballistically favourable high muzzle velocities. A long-stroke piston system, similar to that found in the AK-47 and M1 Garand, was selected to ensure reliability.
Trials and service By 1997, early prototypes were produced, with the Tavor prevailing over the M4A1 in a series of trials conducted during 2001 and 2002 by the Israel Defense Force. Qualities tested included Mean Rounds Between Failures (MRBF), reliability, ergonomics during long marches, and ease-of-maintenance. As part of initial testing by Israel Defense Forces' infantry units, the TAR-21 was distributed to members of the training company of the Tzabar Battalion from the Givati Brigade who were drafted in August 2001. They received their rifles in November 2001 during basic training. Initial testing results were favourable – the TAR-21 was found to be significantly more accurate and reliable (as well as more comfortable) than the M4 during extensive field testing. Issues with fine sand entering the Tavor TAR's chamber, which were identified over the two years of testing, were rectified by numerous small adjustments. A number of other improvements and changes to the design were also made between 2001 and 2009. The Tavor CTAR-21 saw combat service in Operation Cast Lead, used by Givati Brigade and Golani Brigade, and the soldiers reported the Tavor bullpup assault rifles functioned flawlessly. In November 2009, the IDF announced that the Tavor X95 would become the standard infantry weapon of the IDF, with the addition of an integrated grenade launcher. A gradual changeover has begun in 2006 and expected completion among front line troops was to be by the end of 2018. In December 2012, the IDF announced that they would begin equipping and training their new reserve forces with the Tavor TAR-21. The first Tavor X95s were issued to new recruits of a main IDF infantry brigade in 2013, replacing the M16. In 2014 the IDF announced that in the future (from as early as the end of 2014) some infantry units could start to be issued some numbers of an improved X95, which will have a longer 38 cm (15 in) barrel (instead of the original 33 cm barrel) and a lighter trigger pull. On 8 September, the IsraelDefense website reported that the IDF plans to continue acquiring the Micro Tavor, quoting from a report posted on the IDF's Hebrew website on 7 September regarding a multi-year plan. The rifle is to be distributed to combat troops of relevant units in upcoming rounds of recruitment. The weapons division of the Ground Forces Command was quoted as saying that it's "very satisfied by its capabilities... the rifle performs very well and has proven itself."
Design details The Tavor is a bullpup assault rifle, capable of both semi-automatic fire and fully automatic fire. Due to its bullpup design the receiver, bolt carrier group, and magazine are placed behind the pistol grip. This shortens the firearm's overall length without sacrificing barrel length. As a result, the Tavor provides carbine overall length, yet can achieve rifle muzzle velocities if equipped with a rifle-length barrel.
Long-stroke piston system The Tavor uses a non-lubricated long-stroke piston system, as found in the M1 Garand, IMI Galil, and the AK-47. Like in the AK-47, the long-stroke piston mechanism contributes to the extreme forcefulness of the TAR-21's extraction and chambering. The Tavor's attachment of the piston to a heavy bolt carrier, and the extension of the mainspring into the hollow stem of the bolt carrier, bears a familiar resemblance to the internal mechanism of the AK-47.
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