SNT Motiv STSR23

Designated Marksman Rifle (DMR) [ 2025 ]

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

Authored By: Staff Writer | Last Edited: 09/14/2022 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

Image from official SNT Motiv marketing materials.

VIEW SPECIFICATIONS [+]

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.©MilitaryFactory.com

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Specifications

Basics [+]

Manufacturer(s)

SNT Motiv - South Korea

Operators

South Korea (probable)

Service Year

2025

National Origin

South Korea

AUTOMATIC FUNCTION
Features a mechanical function to automate the firing action.

ACCURACY / PRECISION
Long-range accuracy / precision capable; suitable for sniping, particularly when equipped with sighting aids.

SPECIAL FORCES
Qualities of this weapon have shown its value to Special Forces elements requiring a versatile, reliable solution for the rigors of special assignments.

SPECIAL PURPOSE
Special purpose weapon for a specially defined battlefield role.

MAN-PORTABLE
Despite its size / weight, the product can be transported by foot infantry.

TARGET / AREA SUPPRESSION
Inherent ability to provide suppression capabilities against target / target area.

SEMI-AUTO FIRE
Internal action allows release of single round per trigger pull, actuating a semi-automatic loading mechanism for successive shots.

REPEAT-FIRE CAPABLE
An automatic, or pseudo-automatic, function is built into the system, allowing for repeat firing to be achieved.

SCOPE-CAPABLE / SIGHTING ASSIST
Supports mounting of optics (scopes) to aid in accuracy for ranged fire.

BIPOD ASSEMBLY
Aiming can be aided by use of a bipod support assembly, either as an integral part of design or option.

CUSTOMIZEABLE
Design allows for user adjustability of certain components for customization.

ADAPTABLE
Design offers mounting points for external, after-market hardware including laser aimers, flashlights, scopes, and grips.

Overall Length

1,200 mm / 47.24 in

Barrel Length

609 mm / 23.98 in

Weight (Empty)

13.23 lb / 6.00 kg

Action

Gas-Operated Piston; Semi-Automatic Only

SEMI-AUTOMATIC
One shot per trigger pull; self-loading or auto-loading action aided by internal mechanism; trigger management (and initial cocking) typically required by the operator; subsequent shots are aided by the unlocked / moving bolt.

GAS-OPERATED
Gas-operated system is featured, typically involving a gas cylinder and rear-driven piston directing energy to the bolt component.

Caliber(s)*

7.62x51mm NATO
*May not represent an exhuastive list; Calibers may be model-specific dependent; Always consult official manufacturer sources.

Feed

20-round detachable box magazine.

Sights

Over-Receiver Optics

Material presented above is for historical and entertainment value and should not be construed as usable for hardware restoration, maintenance, or general operation - always consult official manufacturer sources for such information.

STSR23 - Base Series Designation.

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Image from official SNT Motiv marketing materials.

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