IWI Tavor
Israeli bullpup assault rifle adopted by the IDF.
The IWI Tavor, originally called the Tavor TAR-21 (short for Tavor Assault Rifle – 21st century), is an Israeli bullpup assault rifle that fires 5.56×45mm NATO rounds. It was created and is manufactured by Israel Weapon Industries (IWI). This rifle belongs to the Tavor family, which has led to several other versions based on the original design. Its internal workings rely on a long-stroke piston system, a setup chosen to boost reliability, durability, simplicity, and ease of upkeep, especially in tough combat conditions.
The Tavor can be fitted with an M203 grenade launcher, a configuration known as the GTAR-21. A shorter version, the CTAR-21, features a 380 mm (15 in) barrel. There was also a designated marksman variant that came with a folding under-barrel bipod and a Trijicon ACOG 4× magnification sight, but this model was eventually dropped in favor of the Tavor TAR Flattop.
In 2009, the Israel Defense Forces (IDF) chose the Tavor X95—also called the Micro Tavor or MTAR—to gradually replace the M16 and M4 carbine as the standard infantry weapon, with full replacement expected by the end of 2018. The first X95 bullpup rifles reached infantry units in 2013. A report on the IDF’s website later confirmed plans to keep buying the Micro Tavor and issuing it to combat units.
Development began in 1995 under Israel Military Industries (whose small arms division later became IWI), led by designer Zalmen Shebs. The goal was to build a rifle more reliable, durable, and easier to maintain than the M4A1 carbine, while also performing better in close-quarters and mechanized infantry roles. The team hoped the IDF would officially adopt it. To meet the military’s needs for a compact weapon with a long barrel—which gives better muzzle velocity—they chose a bullpup layout. The long-stroke piston system, similar to that in the AK-47 and M1 Garand, was picked for its reliability.
Early prototypes appeared by 1997. In trials conducted by the IDF in 2001 and 2002, the Tavor outperformed the M4A1 in areas like mean rounds between failures, reliability, ergonomics during long marches, and ease of maintenance. For initial testing, TAR-21s were given to members of the Tzabar Battalion’s training company from the Givati Brigade, who started basic training in August 2001 and received their rifles in November 2001. Results were positive: the TAR-21 proved significantly more accur
- Type
- Bullpup assault rifle
- Caliber
- 5.56×45mm NATO
- Designer
- Zalmen Shebs (project director)
- Manufacturer
- Israel Weapon Industries (IWI)
- Barrel length (TAR-21)
- 457 mm (18 in)
- Barrel length (CTAR-21)
- 380 mm (15 in)
- Feed system
- STANAG magazines
Lore & Background
Israel Military Industries initiated the Tavor development team in 1995 under designer Zalmen Shebs, aiming to create a more reliable, durable, and easier-to-maintain rifle than the M4A1 carbine, better suited to close-quarters combat and mechanized infantry roles. By 1997, early prototypes were produced, and the Tavor prevailed over the M4A1 in trials conducted during 2001 and 2002 by the Israel Defense Force, testing Mean Rounds Between Failures, reliability, ergonomics, and ease-of-maintenance. Initial testing by the Tzabar Battalion of the Givati Brigade in 2001 found the TAR-21 significantly more accurate and reliable than the M4.
Reader's Guide
The Tavor's significance lies in its adoption as the standard infantry weapon of the Israel Defense Forces, gradually replacing the M16 and M4 carbine variants. In November 2009, the IDF announced the Tavor X95 (Micro Tavor) would become the standard weapon, with a gradual changeover beginning in 2006 and expected completion among front-line troops by the end of 2018. The first X95 bullpup rifles were issued to infantry units in 2013. The Tavor's bullpup design allows a compact overall length while retaining a long barrel for favorable muzzle velocities, and its long-stroke piston system contributes to reliability. Variants include the GTAR-21 with an M203 grenade launcher, the compact CTAR-21, and the STAR-21 designated marksman rifle. The Tavor saw combat service in Operation Cast Lead, used by Givati and Golani Brigades, where soldiers reported it functioned flawlessly.
Did You Know?
- The Tavor uses a non-lubricated long-stroke piston system similar to that found in the AK-47 and M1 Garand.
- The Tavor has ejection ports on both sides so it can be reconfigured for right- or left-handed shooters.
- The Tavor features a last round bolt catch, holding the bolt open after the last round discharges.
- The Tavor barrels are made from CrMoV steel and cold-hammer-forged at the IWI factory in Ramat HaSharon.
Frequently Asked Questions
What is the IWI Tavor?
The IWI Tavor is an Israeli bullpup assault rifle that fires 5.56×45mm NATO rounds and is produced by Israel Weapon Industries. It was originally designated the Tavor TAR-21, with the "21" reflecting its goal of being a 21st-century service weapon. The rifle has been adopted by the IDF and spawned a family of related variants.
Who is behind the design of the IWI Tavor?
Zalmen Shebs served as the project director overseeing the rifle's development, and Israel Weapon Industries (IWI) handles its manufacturing. The Tavor concept has since been expanded into multiple versions that share the same core architecture.
How does the IWI Tavor's operating system work?
The Tavor relies on a long-stroke piston rather than a direct gas-impingement layout. Engineers chose this setup to make the action more reliable, durable, and straightforward to service under demanding combat conditions.
What barrel-length options exist in the Tavor family?
The standard TAR-21 model carries a 457 mm (18-inch) barrel, while the shorter CTAR-21 variant reduces that to 380 mm (15 inches). Both chamber the same 5.56×45mm NATO cartridge.
Why is the IWI Tavor considered significant?
It gave the IDF a compact yet capable bullpup platform that can be fitted with an M203 grenade launcher for added tactical flexibility. Its emphasis on simplicity and field-serviceability makes it a practical, long-term service weapon rather than a one-off prototype.
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