IWI TAVOR TAR-21 ...Special Forces Preferred Assault Rifle

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The IWI Tavor TAR-21 is an Israeli bullpup assault rifle chambered in 5.56×45mm NATO caliber with a selective fire system, selecting between semi-automatic mode and full automatic fire mode. The Tavor is designed and produced by Israel Weapon Industries (IWI). It is produced in two main variants: the TAR-21 and the CTAR-21.

Built around a long-stroke piston system (as found in the M1 Garand and AK-47), the Tavor is designed to maximize reliability, durability, simplicity of design, and ease of maintenance, particularly under adverse or battlefield conditions.

In 2009, the Tavor X95 (also known as the Micro Tavor or MTAR) was selected by the Israeli 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. Both the TAR-21 and X95 are part of the Tavor family of rifles, along with the Tavor 7.

In the beginning of September 2021, there were conflicting reports in Israeli media whether the IDF was planning to end further acquisition of the Tavor and Micro and replace it with M4s for front-line units. On 7 September, a report was published on the IDF's Hebrew website that the IDF plans to continue acquiring the Micro Tavor and equipping combat units with it.

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 gun 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 favorable high muzzle velocities. A long-stroke piston system, similar to that found in the AK-47 and M1 Garand, was selected to ensure the weapon's reliability under adverse conditions.

Trials and Use in Israel

The Tavor prevailed over the M4A1 in a series of trials conducted during 2001 and 2002. 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 favorable – 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'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.

Bullpup Configuration

The Tavor uses a bullpup configuration, in which 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's 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.[1] Like in the AK-47, the long-stroke piston mechanism contributes to the extreme forcefulness of the TAR-21's extraction and chambering.[13] 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 family resemblance to the internal mechanism of the AK-47.

https://en.wikipedia.org/wiki/IWI_Tavor
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