SAR 21
The SAR 21 ("Singapore Assault Rifle - 21st Century") is a bullpup assault rifle designed and manufactured in Singapore. First revealed and subsequently adopted by the Singapore Armed Forces (SAF) in 1999, it was designed & developed over a four year period and was intended to replace the locally license-built M16S1[1] by the Singaporean Ministry of Defence, Singapore Army and the Chartered Industries of Singapore.Many of its design features are directly intended to counter the weaknesses of the M16 as encountered operationally by some infantrymen.
The rifle is being sold for export use aside from domestic use. In the United States, it is being marketed by ST Kinetics via its American subsidiary, VT Systems.
Design
Made of a rugged, high impact polymer, most of the manufacturing is done utilising CNC machines, with ultrasonic welding for the steel-reinforced receiver halves and the gun barrel being cold hammer forged. It uses a modified Kalashnikov/Stoner operating system, boasting higher reliability and lower recoil. The translucent magazine allows precise assessment of current ammo load.
The SAR 21 is also the first production assault rifle of its class to incorporate a built-in Laser Aiming Device (LAD) (powered by a single "AA" battery) as standard, which can emit visible or infrared beams.The rifle incorporates various patented safety features, such as a Kevlar cheek plate and overpressure vent that protects the shooter in the unlikely event of a chamber explosion or catastrophic failure. It also has an integral 1.5x optical scope that is built into its carrying handle. The scope aids in target acquisition, particularly under low light conditions. The scope is factory-zeroed, and requires minimal further zeroing to suit different users.This minimizes non-training range time.
Variants
SAR 21 Light Machine Gun (LMG)
Fitted with an open bolt, it has a heavy 513 mm barrel with an integral folding bipod and a foregrip.
SAR 21 Sharpshooter
Same as the basic SAR 21, but has 3.0x optical sight instead of standard 1.5x sight. The sight picture is composed of luminous black paint, allowing easier target engagement at night without use of the LAD.
SAR 21 Grenade Launcher (GL)
Attached with a CIS 40 mm or M203 grenade launcher. Several sub-variants/prototypes incorporate different targeting modules (or mounted on p-rails) for grenade target acquisition. Known sights to have been used include aiming quadrants, various optical sights and laser fire control systems.
SAR 21 P-rail
Has a Picatinny rail in place of its integral optical sight. Charging handle is moved to the left hand side of the weapon (Interchangeable with right side).
SAR 21 Modular Mounting System (MMS)
Has integral optical sight and LAD removed to allow a wide variety of add-on tactical accessories, such as vertical assault grips, tactical lights and reflex sights. Charging handle is moved to the left hand side of the weapon. Similar to P-rail model with exception of shorter barrel.
SAR 21 Light Weight Carbine
A light weight SAR 21 variant was revealed during the Asian Defence Exhibition held in conjunction with Asian Aerospace 2006. The variant boasts an ultra-short barrel, shorter handguards and an integral holo-dot aiming recticle. A Picatinny rail is used as well.
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