SR-88 Country Singapore Type Assault rifle Manufacturer CIS Introduction 1988 Specifications Weight 3.68 kg (8.11 lb) Length 912 mm (35.9 in) (Standard rifle) 960 mm (37.8 in) stock extended / 810 mm (31.9 in) stock folded (Carbine Barrel length 460 mm (18.1 in) Cartridge 5.56x45mm NATO Action Gas operated, rotating bolt Rate of fire 750 rounds/min (Standard rifle) 800 rounds/min (Carbine) Feed system 30-round detachable box magazine) Sights Iron sights

The SR-88 (Singapore Rifle 88) is an assault rifle designed and manufactured in Singapore by Chartered Industries of Singapore (now owned by Singapore Technologies Engineering).

Following the poor production sales of the SAR-80, CIS modified and improved the design and came up with the new SR-88. Many of the parts and mechanisms are similar to its predecessor. Later production models were further improved with higher quality materials including a new handguard and buttstock, this version was designated the SR-88A. The SR-88A was built in two versions, the standard model and the carbine with shorter barrel and detachable butt-stock.

It uses long piston stroke gas operated action with rotating bolt. The gas piston and gas cylinder are chromium-plated. The gas system features a three positions gas regulator - two open positions, for normal and harsh conditions, and one closed for launching of rifle grenades.

The barrel is equipped with flash hider, which also serves as a rifle grenade launcher. The lower receiver is made from aluminium forging, and the upper receiver is made from stamped steel.

Furniture (stock, pistol grip, handguards) is made from plastic materials. The standard stock is of fixed type, but the SR-88 is also available with a side-folding stock. The side-folding carrying handle is mounted at the forward end of the receiver.