LMT Modular Ambidextrous Rifle System vs Mk 14 Enhanced Battle Rifle

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ASmall arms

LMT Modular Ambidextrous Rifle System

Assault rifle Battle rifle

BSmall arms

Mk 14 Enhanced Battle Rifle

Designated marksman rifle Chassis base variant of M14 Battle rifle

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

LMT Modular Ambidextrous Rifle SystemLMT Modular Ambidextrous Rifle System · Length · "Maximum"

0.914 m

Length source ↗

Mk 14 Enhanced Battle RifleLength

0.889 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Measured figures

Head to head

12 of 30 rows sourced on both sides

914mm

889mm

Length

All recorded figures & sources

0.914 m

LMT Modular Ambidextrous Rifle System · Length · "Maximum"

Single source

914 mm (36.0 in) ("Maximum")^[source]LMT Modular Ambidextrous Rifle System · Length

Configuration

Details

LMT Modular Ambidextrous Rifle System and Mk 14 Enhanced Battle Rifle configuration
Specification	LMT Modular Ambidextrous Rifle System	Mk 14 Enhanced Battle Rifle
Type	Assault rifle Battle rifle^[source]LMT Modular Ambidextrous Rifle System · Type	Designated marksman rifle Chassis base variant of M14 Battle rifle^[source]
Place of origin	United States^[source]LMT Modular Ambidextrous Rifle System · Place of origin	United States^[source]
In service	2015 - present^[source]LMT Modular Ambidextrous Rifle System · In service	2002–present^[source]

Designer	Lewis Machine & Tool Company^[source]LMT Modular Ambidextrous Rifle System · Designer	Mike Rock and Jim Ribordy (Original) Smith Enterprise, Inc. (Current)^[source]

Manufacturer	Lewis Machine & Tool Company^[source]LMT Modular Ambidextrous Rifle System · Manufacturer	Naval Surface Warfare Center Crane Division Smith Enterprise Inc. Sage International^[source]

Cartridge	5.56×45mm NATO 7.62×51mm NATO 6.5mm Creedmoor^[source]LMT Modular Ambidextrous Rifle System · Cartridge The MARS-L (light) assault rifle variants are chambered for the 5.56×45mm NATO intermediate cartridge , and the MARS-H (heavy) battle rifle and designated marksman rifle variants for the 7.62×51mm NATO , 6.5 mm Creedmoor or similar fully powered cartridges .^[source]Design · explicit MARS-L/MARS-H cartridge scope MARS-H based designated marksman variant, chambered in 6.5 mm Creedmoor .^[source]L129A2 · explicit MARS-L/MARS-H cartridge scope Swiss MARS-H-based designated marksman rifle chambered in 7.62×51mm NATO.^[source]7.62mm Zf Stgw 20 · explicit MARS-L/MARS-H cartridge scope LMT's MRGG-A is a member of its Modular Ambidextrous Rifle System-Heavy (MARS-H) family, which are commonly described as AR-10-style rifles, but is chambered to fire the 6.5mm Creedmoor round.^[source]MK24 Mid-Range Gas Gun-Assault · explicit MARS-L/MARS-H cartridge scope	7.62×51mm NATO^[source]

Cartridge

5.56×45mm NATO 7.62×51mm NATO 6.5mm Creedmoor^[source]LMT Modular Ambidextrous Rifle System · Cartridge

The MARS-L (light) assault rifle variants are chambered for the 5.56×45mm NATO intermediate cartridge , and the MARS-H (heavy) battle rifle and designated marksman rifle variants for the 7.62×51mm NATO , 6.5 mm Creedmoor or similar fully powered cartridges .^[source]Design · explicit MARS-L/MARS-H cartridge scope

MARS-H based designated marksman variant, chambered in 6.5 mm Creedmoor .^[source]L129A2 · explicit MARS-L/MARS-H cartridge scope

Swiss MARS-H-based designated marksman rifle chambered in 7.62×51mm NATO.^[source]7.62mm Zf Stgw 20 · explicit MARS-L/MARS-H cartridge scope

LMT's MRGG-A is a member of its Modular Ambidextrous Rifle System-Heavy (MARS-H) family, which are commonly described as AR-10-style rifles, but is chambered to fire the 6.5mm Creedmoor round.^[source]MK24 Mid-Range Gas Gun-Assault · explicit MARS-L/MARS-H cartridge scope

7.62×51mm NATO^[source]

Action	Gas-operated , rotating bolt (internal piston, not direct impingement ) or Short-stroke piston^[source]LMT Modular Ambidextrous Rifle System · Action	Gas-operated , rotating bolt^[source]

Feed system	5.56×45mm NATO : 30-round detachable box magazine 7.62×51mm NATO 20-round detachable box magazine^[source]LMT Modular Ambidextrous Rifle System · Feed system	10- or 20-round detachable box magazine^[source]

Used by	—	See Users^[source]

Wars	—	War in Afghanistan (2001–2021) Iraq War Syrian Civil War War in Iraq (2013–2017) Russo-Ukrainian War^[source]

Designed	—	2001^[source]

Sights	—	Modified M14 iron sights , normally used with a magnifying scope^[source]

Role	—	American military designated marksman rifle and a modernized/tactical chassis-based variant of the select-fire M14 battle rifle chambered for the 7.62×51mm NATO cartridge ,^[source]

Source measurement	—	In 2003, Ron Smith and Smith Enterprise, Inc. created their own version of the M14 EBR (MK14 SEI), which used a medium heavy weight 457 mm (18.0") barrel and was more widely favored than the rifle made by Rock and Ribordy. The Smith Enterprise-based MK14 was then used as a basis for the Mk 14 MOD 0 with Springfield Armory, Inc. being tasked to supply the necessary machinery needed to create the rifle in cooperation with the Naval Surface Warfare Center Crane Division .^[source]Mk 14 Enhanced Battle Rifle · History; only the objects and conditions stated in this passage In early 2017, the Army began writing a new requirement for an SDM rifle (SDMR) for combat platoons and squads. Although the Army has been using the M14 EBR since 2009, they had to be turned in when returning from theater, and it was heavy, almost 15 lb (6.8 kg) unloaded. A new marksman rifle will equip each combat arms squad weighing about 11 lb (5.0 kg) firing standard M80A1 7.62 mm rounds fitted with a rifle optic rather than a telescopic sight. In March 2018, the Army announced that a version of the HK G28 , which had already been selected to replace the M110 SASS , would be issued as the service's standard SDMR. Issuing a 7.62 mm SDMR is meant to increase individual squads' ability to defeat enemy body armor that standard 5.56×45mm rounds cannot penetrate. Fielding was planned to start in late 2018.^[source]Mk 14 Enhanced Battle Rifle · History; only the objects and conditions stated in this passage This rifle upgrades the standard M14 action and replaces the standard 22.0-inch (560 mm) barrel with an 18.0-inch (460 mm) barrel bolted onto a telescoping chassis stock system with a pistol grip, a different front sight, Harris bipod , four Picatinny accessory rails (which surround the barrel), and a more effective flash hider in place of the standard lugged USGI flash suppressor. A paddle-type bolt stop similar to that of the M4 carbine is used on the rifle. The EBR chassis system stock is made up entirely of lightweight aircraft alloy.^[source]Mk 14 Enhanced Battle Rifle · Design details; only the objects and conditions stated in this passage Sage International had some involvement in the decision of whether to invest approximately $120,000 in an injection mold incorporating rail attachments into the design or machine the replacement stock from a solid billet of aluminum. The latter option was selected, which was then shown at the SHOT Show in Orlando in 2003.^[source]Mk 14 Enhanced Battle Rifle · Design details; only the objects and conditions stated in this passage The Mk 14 has been criticised for being too heavy, at 14 pounds (6.4 kg) when loaded with a 20-round magazine, with most of this weight being at the front of the rifle, making it difficult to aim.^[source]Mk 14 Enhanced Battle Rifle · Design details; only the objects and conditions stated in this passage

Source measurement

—

In 2003, Ron Smith and Smith Enterprise, Inc. created their own version of the M14 EBR (MK14 SEI), which used a medium heavy weight 457 mm (18.0") barrel and was more widely favored than the rifle made by Rock and Ribordy. The Smith Enterprise-based MK14 was then used as a basis for the Mk 14 MOD 0 with Springfield Armory, Inc. being tasked to supply the necessary machinery needed to create the rifle in cooperation with the Naval Surface Warfare Center Crane Division .^[source]Mk 14 Enhanced Battle Rifle · History; only the objects and conditions stated in this passage

In early 2017, the Army began writing a new requirement for an SDM rifle (SDMR) for combat platoons and squads. Although the Army has been using the M14 EBR since 2009, they had to be turned in when returning from theater, and it was heavy, almost 15 lb (6.8 kg) unloaded. A new marksman rifle will equip each combat arms squad weighing about 11 lb (5.0 kg) firing standard M80A1 7.62 mm rounds fitted with a rifle optic rather than a telescopic sight. In March 2018, the Army announced that a version of the HK G28 , which had already been selected to replace the M110 SASS , would be issued as the service's standard SDMR. Issuing a 7.62 mm SDMR is meant to increase individual squads' ability to defeat enemy body armor that standard 5.56×45mm rounds cannot penetrate. Fielding was planned to start in late 2018.^[source]Mk 14 Enhanced Battle Rifle · History; only the objects and conditions stated in this passage

This rifle upgrades the standard M14 action and replaces the standard 22.0-inch (560 mm) barrel with an 18.0-inch (460 mm) barrel bolted onto a telescoping chassis stock system with a pistol grip, a different front sight, Harris bipod , four Picatinny accessory rails (which surround the barrel), and a more effective flash hider in place of the standard lugged USGI flash suppressor. A paddle-type bolt stop similar to that of the M4 carbine is used on the rifle. The EBR chassis system stock is made up entirely of lightweight aircraft alloy.^[source]Mk 14 Enhanced Battle Rifle · Design details; only the objects and conditions stated in this passage

Sage International had some involvement in the decision of whether to invest approximately $120,000 in an injection mold incorporating rail attachments into the design or machine the replacement stock from a solid billet of aluminum. The latter option was selected, which was then shown at the SHOT Show in Orlando in 2003.^[source]Mk 14 Enhanced Battle Rifle · Design details; only the objects and conditions stated in this passage

The Mk 14 has been criticised for being too heavy, at 14 pounds (6.4 kg) when loaded with a 20-round magazine, with most of this weight being at the front of the rifle, making it difficult to aim.^[source]Mk 14 Enhanced Battle Rifle · Design details; only the objects and conditions stated in this passage

Reported operators	Reported operator · Estonia Reported operator · Lebanon Reported operator · New Zealand Reported operator · Switzerland Reported operator · United Kingdom Reported operator · United States	Reported operator · United States Reported operator · Australia Reported operator · Greece Reported operator · Iraq Reported operator · Philippines