SNT Motiv STSR23

Designated Marksman Rifle (DMR)

South Korea | 2025

"The STSR23 is an in-development 7.62mm DMR solution under the SNT Motiv brand label of South Korea."

Image from official SNT Motiv marketing materials.

Authored By: Staff Writer | Last Edited: 09/14/2022 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.

The STSR23 is a 7.62mm-chambered semi-automatic rifle system being developed by SNT Motiv of South Korea. Its qualities are akin to a modern Designated Marksman Rifle (DMR) for tactical-level use - offering reliability, portable, and accurized fire at range with a proven man-stopping cartridge. As such, the product is being designed with an all-modern approach to the Warfighter's battlefield needs, complete with an ambidextrous control scheme that includes the magazine catch as well as charging handle.

Internally, the rifle relies on the proven gas-operated piston arrangement and chambers the 7.62x51mm NATO rifle cartridge.

The pistol grip is ergonomically-angled for maximum comfort and the trigger loop is oversized to accommodate a gloved hand. The fire selector is located within easy reach of the primary thumb. The magazine well sit ahead of the trigger group in the usual way and accepts curved magazines of 20-round count. At the rear of the frame is a solid, adjustable shoulder stock. The forend is slotted for maximum cooling of the barrel. Over the receiver and forend is a long run of Picatinny rail which allows for the mounting of scopes, aimers and other tactical accessories. Similarly, there are shorter runs of rail at the 3, 6, and 9 o'clock positions at the forend. A hinged, folding bipod is typically affixed at eh 6 o'clock position. The barrel protrudes some distance ahead of the forend and is capped by a three-slot muzzle brake / compensator.

Barrel lengths vary depending on the mission requirement and can range from 508mm (20") to 609mm (24") long. Overall length is 1,200mm with the standard barrel assembly in place. Overall weigh is a handle 6.0 kilograms unloaded.

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Physical
The physical qualities of the SNT Motiv STSR23. Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.

1,200 mm
47.24 in
O/A Length

609 mm
23.98 in
Barrel Length

13.23 lb
6.00 kg
Weight

Gas-Operated Piston; Semi-Automatic Only
Action

7.62x51mm NATO
Caliber(s)

20-round detachable box magazine.
Feed

Over-Receiver Optics
Sights

Variants
Notable series variants as part of the SNT Motiv STSR23 Designated Marksman Rifle (DMR) family line.

STSR23 - Base Series Designation.

Operators
Global customers who have evaluated and/or operated the SNT Motiv STSR23. Nations are displayed by flag, each linked to their respective national small arms listing.

Contractor(s): SNT Motiv - South Korea

[ South Korea (probable) ]

1 / 1

Image from official SNT Motiv marketing materials.

Going Further...
The SNT Motiv STSR23 Designated Marksman Rifle (DMR) appears in the following collections:

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