- Advanced Combat Rifle (Singapore)
caption= "Advanced Combat Rifle" Prototype
feed="Prototype" 30 round translucent polymer box magazine
Rotating bolt, bullpup
Also designated ACR. Not to be confused with the United States
Advanced Combat Rifleproject and the Steyr ACR. Little is known about this project/weapon, except that it is very similar in looks and design to the SAR-21. It is "assumed" that this is either a SAR-21 prototype, or a hand-built weapon made to illustrate the requirements of the Singapore Armed Forcesnew infantry weapon replacement for the ageing M16S1 in service.
*All comparisons will be done with respect to the SAR-21 rifle.
It is of bull-pup design, made of plastic materials. The charging handle, like the SAR-21 is located on the top and ambidextrous but much smaller in design and lacking non-slip grooves.
Unlike conventional bullpups (and also the
SAR-21) in which the bolt assembly seals the ejection port (when bolt is closed) this rifle utilises a dust cover. While the SAR-21's scope/carrying handle is encased in non-slip rubber to prevent slipping, the ACR's scope/carrying handle does without the rubber and is marked with non-slip grooves instead.
The rifle sling is mounted on the left side of the rifle via retainer lugs on both ends (like the
Steyr AUG) instead of from the top ends.
The Laser Aiming Device (LAD) is located on the top of the barrel instead of at the bottom. The hand guard is slightly rounded at the bottom with lined grooves. There is a kevlar cheek plate on the left side of the butt to protect the user in the case of chamber explosion or other forms of catastrophic failure. The kevlar plate appears to be a separate component on the exterior of the weapon and can be removed with the use of tools.
There are also what seem to be rails at the bottom of the butt to mount accessories, although its use is unknown.
There are markings on the side of the weapon just above the magazine cavity, designated ACR-P1 (the P1 indicates that it is a prototype) with the serial number below it.
It must be noted that this weapon must be at least related in development to the SAR-21 as the essential components are the same; the integral 1.5 scope, the integral LAM and the
Kevlarcheek plate are commonplace on both rifles.
Only very few prototypes exist. It is not known if they have seen active service. As of writing, all the existing pieces are either being kept in storage or damaged beyond repair and have thus been disposed of.
*Advanced Combat Rifle (US Army program)
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