---
title: "LMT Defense MARS-H DMR .308 18\" Rifle"
description: "7.62x51 NATO/.308 Win DMR rifle with an 18\" stainless barrel, 1:8 twist, monolithic rail platform, ambidextrous controls, and 20rd magazine."
canonical_url: "https://www.kygunco.com/product/lmt-mars-h-mlk-mws-308-win-18-dmr"
meta:
  author: KYGUNCO
  "og:description": "7.62x51 NATO/.308 Win DMR rifle with an 18\" stainless barrel, 1:8 twist, monolithic rail platform, ambidextrous controls, and 20rd magazine."
  "og:image": "https://cdn.kygunco.com/assets/products/309158/thumbnail.jpg?v=1780594602"
  "og:image:height": "500"
  "og:image:width": "500"
  "og:title": "LMT Defense MARS-H DMR .308 18\" Rifle"
---

> Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt)

[Home](https://www.kygunco.com/)

/

[Shooting](https://www.kygunco.com/category/shooting)

/

[Guns](https://www.kygunco.com/category/shooting/guns)

/

[Rifles](https://www.kygunco.com/category/shooting/guns/rifles)

/

[Semi-Auto](https://www.kygunco.com/category/shooting/guns/rifles/semi-auto)

/

LMT-MLKMWS18LA-MARS

![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/309158/main.jpg?v=1780594602)

For illustration purposes only, this image may not be an exact representation of the product.

# LMT MARS-H MLK MWS 308 Win 18" 20rd DMR - Black

The LMT MARS-H DMR is a 7.62x51 NATO/.308 Win semi-automatic rifle with an 18" cryogenically treated stainless steel barrel, 1:8 twist, and direct-impingement operation. It features a monolithic rail platform, quick-change barrel system, ambidextrous controls, M-LOK interface, ARCA rail section, two-stage trigger, adjustable DMR stock, and 20rd magazine.

See Price In Cart

![Credova logo](https://www.kygunco.com/brands/credova.svg)

As low as **$193.30**/month with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg)

**

Online

In Store

**

Free Shipping

Enjoy delivery to the Lower 48 States at no cost.

**

Ships To FFL Dealer

Handled by our expert shippers in Bardstown, KY.

**

Check Local Restrictions

Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check.

Almost gone. Order now before it sells out.

Item #

309158

Style

LMT-MLKMWS18LA-MARS

UPC

815415017433

Condition

New

Manufacturer

[LMT Defense](https://www.kygunco.com/brand/lmt-defense)

Model

MARS-H

Caliber

308 Win

Action

Semi-Auto

Barrel Length

18 in

Built for precision, adaptability, and duty-grade durability, this LMT® MARS-H DMR system combines the patented Monolithic Rail Platform (MRP™) with a fully ambidextrous lower and an 18″ stainless .308 barrel—delivering repeatable accuracy and rapid barrel interchange capability.

FEATURES

- Monolithic Rail Platform (MRP™) machined from a single aerospace aluminum forging for maximum rigidity
- Quick-change barrel system with dual locking bolts and full 360° barrel extension engagement
- Integrated ARCA rail section for tripod and precision shooting support
- Extended continuous top rail for optics and accessories
- Multi-face M-LOK interface for modular attachment configuration
- Cryogenically treated barrel with proprietary coating for extended service life
- Low profile gas system designed for consistent cycling
- Fully ambidextrous control layout for improved weapon manipulation
- Precision-tuned two-stage trigger for enhanced shot control
- Adjustable DMR stock for personalized fit and shooting comfort
- Enhanced ergonomics including textured grip, winter trigger guard, and QD sling mount
- Includes ambidextrous charging handle and S-A bolt carrier group

SPECIFICATIONS

- Caliber: 7.62×51 NATO (.308 Win)
- Barrel Length: 18″ / 457 mm
- Barrel Material: Stainless Steel
- Twist Rate: 1:8″ RH
- Operating Method: Direct Impingement
- Rail System: M-LOK
- Upper Receiver Length: 15.3″
- Magazine Capacity: 20 Rounds
- Trigger Type: Two Stage
- Included Accessories: Magazine, 3 Rail Panels, Owner’s Manual

**

WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov).

0.0

**

**

**

**

**

0 reviews

**

**

**

**

**

0

**

**

**

**

**

0

**

**

**

**

**

0

**

**

**

**

**

0

**

**

**

**

**

0

## Don't Forget Your Ammo

```json
{"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/lmt-mars-h-mlk-mws-308-win-18-dmr#webpage","@type":"WebPage","description":"7.62x51 NATO/.308 Win DMR rifle with an 18\" stainless barrel, 1:8 twist, monolithic rail platform, ambidextrous controls, and 20rd magazine.","name":"LMT Defense MARS-H DMR .308 18\" Rifle","url":"https://www.kygunco.com/product/lmt-mars-h-mlk-mws-308-win-18-dmr","about":{"@id":"https://www.kygunco.com/product/lmt-mars-h-mlk-mws-308-win-18-dmr#/schema//kygunco"},"breadcrumb":{"@id":"https://www.kygunco.com/product/lmt-mars-h-mlk-mws-308-win-18-dmr#breadcrumb"},"isPartOf":{"@id":"https://www.kygunco.com/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://www.kygunco.com/product/lmt-mars-h-mlk-mws-308-win-18-dmr"]}]},{"@id":"https://www.kygunco.com/#/schema/organization/kygunco","alternateName":"Kentucky Gun Company","currenciesAccepted":"USD","description":"Shop KYGUNCO for firearms, ammo, gun parts, optics, shooting accessories, and outdoor gear with online ordering and shipping options across the U.S.","email":"info@kygunco.com","foundingDate":"1946-01-01","hasMap":"https://www.google.com/maps/dir/?q=place_id:ChIJfwecWCBSaIgRguIjuoPha40","logo":"https://www.kygunco.com/logos/kygunco.svg","name":"KYGUNCO","priceRange":"$$","telephone":"+1-502-348-3594","url":"https://www.kygunco.com","@type":["Organization","LocalBusiness"],"address":{"@type":"PostalAddress","streetAddress":"401 Glenwood Drive","addressLocality":"Bardstown","addressRegion":"KY","postalCode":"40004","addressCountry":"US"},"contactPoint":{"@type":"ContactPoint","contactType":"Customer Service","telephone":"+1-502-348-3594","email":"info@kygunco.com","availableLanguage":"English","hoursAvailable":{"@type":"OpeningHoursSpecification","dayOfWeek":["https://schema.org/Monday","https://schema.org/Tuesday","https://schema.org/Wednesday","https://schema.org/Thursday","https://schema.org/Friday"],"opens":"09:00","closes":"17:00"}},"geo":{"@type":"GeoCoordinates","latitude":37.8032518,"longitude":-85.4252895},"hasMerchantReturnPolicy":{"@type":"MerchantReturnPolicy","name":"Standard Return Policy","inStoreReturnsOffered":true,"merchantReturnDays":30,"returnPolicyCategory":"https://schema.org/MerchantReturnFiniteReturnWindow","returnMethod":["https://schema.org/ReturnByMail","https://schema.org/ReturnInStore"],"returnFees":"https://schema.org/FreeReturn","refundType":["https://schema.org/ExchangeRefund","https://schema.org/FullRefund","https://schema.org/StoreCreditRefund"],"applicableCountry":"US"},"hasOfferCatalog":{"@type":"OfferCatalog","name":"KYGUNCO Catalog","url":"https://www.kygunco.com/search"},"image":{"@id":"https://www.kygunco.com/#/schema/image/1"},"knowsAbout":["Firearms sales and transfers","FFL dealers and compliance","Optics and accessories","Outdoor and hunting equipment"],"openingHoursSpecification":[{"@type":"OpeningHoursSpecification","dayOfWeek":["https://schema.org/Monday","https://schema.org/Tuesday","https://schema.org/Wednesday","https://schema.org/Thursday","https://schema.org/Friday","https://schema.org/Saturday"],"opens":"09:00","closes":"18:00"}],"paymentAccepted":["Credit Card","Credova","Sezzle"],"sameAs":["https://x.com/kygunco","https://www.facebook.com/kentuckygunco","https://www.instagram.com/kygunco","https://www.youtube.com/@thekentuckygunco","https://rumble.com/c/KYGUNCO"]},{"@id":"https://www.kygunco.com/product/lmt-mars-h-mlk-mws-308-win-18-dmr#product","@type":"Product","description":"7.62x51 NATO/.308 Win DMR rifle with an 18\" stainless barrel, 1:8 twist, monolithic rail platform, ambidextrous controls, and 20rd magazine.","gtin":"815415017433","mpn":"MLKMWS18LA-MARS","name":"LMT Defense MARS-H DMR .308 18\" Rifle","sku":"309158","additionalProperty":[{"@type":"PropertyValue","name":"Model","value":"MARS-H"},{"@type":"PropertyValue","name":"Caliber","value":"308 Win"},{"@type":"PropertyValue","name":"Action","value":"Semi-Auto"},{"@type":"PropertyValue","name":"Barrel Length","value":"18 in"}],"brand":{"@type":"Brand","name":"LMT Defense"},"image":["https://cdn.kygunco.com/assets/products/309158/thumbnail.jpg?v=1780594602"],"mainEntityOfPage":{"@id":"https://www.kygunco.com/product/lmt-mars-h-mlk-mws-308-win-18-dmr#webpage"},"offers":{"@type":"Offer","availability":"https://schema.org/InStock","price":3655.99,"priceCurrency":"USD","url":"https://www.kygunco.com/product/lmt-mars-h-mlk-mws-308-win-18-dmr","itemCondition":"https://schema.org/NewCondition","priceValidUntil":"2027-12-30T00:00:00.000Z"}},{"@id":"https://www.kygunco.com/product/lmt-mars-h-mlk-mws-308-win-18-dmr#breadcrumb","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","name":"Home","item":"https://www.kygunco.com","position":1},{"@type":"ListItem","name":"Shooting","item":"https://www.kygunco.com/category/shooting","position":2},{"@type":"ListItem","name":"Guns","item":"https://www.kygunco.com/category/shooting/guns","position":3},{"@type":"ListItem","name":"Rifles","item":"https://www.kygunco.com/category/shooting/guns/rifles","position":4},{"@type":"ListItem","name":"Semi-Auto","item":"https://www.kygunco.com/category/shooting/guns/rifles/semi-auto","position":5},{"@type":"ListItem","name":"LMT-MLKMWS18LA-MARS","position":6}]},{"@id":"https://www.kygunco.com/#/schema/image/1","@type":"ImageObject","contentUrl":"https://cdn.kygunco.com/assets/backdrops/facade.jpg","inLanguage":"en","url":"https://cdn.kygunco.com/assets/backdrops/facade.jpg"}]}
```

## Sitemap

See the full [sitemap](https://www.kygunco.com/sitemap.md) for all pages.
