POTD: SAR-21 Service Rifle with Round Corner Firing Module

Eric B
by Eric B

Photo Of The Day and we’re in the Marina Urban Training Facility (Singapore) together with U.S. Marines looking at the SAR-21 Service Rifle with Round Corner Firing Module. Above you see Singapore Army soldiers with Charlie Company, 3rd Battalion Singapore Guards, 7th Singapore Infantry Brigade, conduct a room-clearing demonstration for U.S. Marines with Marine Rotational Force-Southeast Asia (MRF-SEA), I Marine Expeditionary Force

The Marina Urban Training Facility (MARU-TF) is a training facility located in Marina Bay, Singapore. It is used by the Singapore Armed Forces (SAF) to train soldiers in urban warfare and counterterrorism operations. The facility is designed to simulate the complex and challenging environment of an urban battlefield and includes realistic replicas of buildings, streets, and other urban infrastructure.

Below: More demonstrations of the Round Corner Firing module, attached to a SAR-21 service rifle.

The SAR-21 is a bullpup-style assault rifle developed and produced by Singapore Technologies Kinetics (STK) for the Singapore Armed Forces (SAF). The SAR-21, which stands for Singapore Assault Rifle – 21st Century, was introduced into service in 2003 and has since become the standard service rifle for the SAF.

SAR-21 service rifle

Demonstrating the firing procedures for the U-100 Ultimax squad automatic weapon. The U-100 Ultimax is a light machine gun (LMG) that was developed and produced by the Singaporean defense company, Chartered Industries of Singapore (CIS, now ST Engineering Land Systems). The U-100 Ultimax is a gas-operated, air-cooled, belt-fed weapon

U-100 Ultimax squad automatic weapon

Source: Photos by Sgt. Ryan Pulliam, 11th Marine Expeditionary Unit.

Eric B
Eric B

Ex-Arctic Ranger. Competitive practical shooter and hunter with a European focus. Always ready to increase my collection of modern semi-automatics, optics, thermals and suppressors. TCCC Certified. Occasionaly seen in a 6x6 Bug Out Vehicle, always with a big smile.

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  • Mig1nc Mig1nc on Feb 28, 2023

    Love the SAR-21, wish we could get it over here.

    Their uniforms look interesting. Looks like MARPAT but with a more tropical share of green.

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    • Owl Owl on Mar 10, 2023

      @mig1nc You really don't want or need the SAR-21. I've been trained on both the SAR and M-16/M-4 and frankly there isn't much of a difference.

      The SAR is meant to be a generic rifle given out in the tens of thousands in case of a war, so in practical terms it isn't spectacular. It's not a total failure like some pessimists claim but it isn't outstanding either. It's just meant to be reliable and compact. The only outstanding point would be the inbuilt optics but that has been overtaken by advances in p-rail installed optics where you can mix and match now. It was designed in the 90s, so it was a bit before the p-rail fad.

      In short, don't expect too much of the SAR-21, it's not meant to be spectacular, it's meant to be our version of the AK-47, a weapon given out en-mass to people who would be lucky to hit the broad side of a battleship, much less a barn.

      Now the Ultimax, that's a different story. Long in the tooth and way overdue for an upgrade but the focus on controllability paid off in spades. I've had shooters in the range that got so bored shooting the targets that they started doing stupid things like trying to saw (pun not intended) the targets in half and trying to chop down the wooden supports (this was before the automated range when wooden supports were still being used) rather than the targets themselves. And annoyingly enough, a few of them tend to succeed. If you want to wish a weapon over there, go for the Ultimax. It's spindly, looks fragile but it's tougher than it looks and frankly it's a weapon that would be limited if forced into existing SOP. It's outstanding enough to actually have a new SOP written for it and I sure as hell do not ever want to be on the receiving end of a pair of them. On full auto, suppressing a squad would be no problem. It's one of the very few weapons where I won't chuck a spent shell at the helmet of the guy holding down the trigger. A small talk later about ammo conservation yes but full auto is actually valid on the Ultimax.

  • USMC Grunt2 USMC Grunt2 on Feb 28, 2023

    total gimmick. But that ultimax......that is the LMG the Army and USMC should have had years ago.

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