LMT Modular Ambidextrous Rifle System vs McMillan TAC-50

ASmall arms

LMT Modular Ambidextrous Rifle System

Assault rifle Battle rifle

McMillan TAC-50 — licensed reference photograph

BSmall arms

McMillan TAC-50

Anti-materiel rifle

Credit

MathKnight · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · Modified

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 ↗

McMillan TAC-50Length

1.448 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Measured figures

Head to head

11 of 32 rows sourced on both sides

914mm

1.45m

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

1.448 m

Length

Single source

57.0 in (1,448 mm)^[source]

3.3kg

11.8kg

Mass

All recorded figures & sources

3.3 kg

LMT Modular Ambidextrous Rifle System · Mass · Empty

Single source

3.3kg (empty)^[source]LMT Modular Ambidextrous Rifle System · Mass

11.8 kg

Mass

Single source

26.0 lb (11.8 kg)^[source]

—

7.7km

Range

All recorded figures & sources

1.8 km

Effective; Effective firing range

Single source

7.7 km

Maximum; Estimated (750 gr A-MAX load). Confirmed

Single source

3.54 km

Maximum; Maximum firing range

Single source

1,800 m (1,970 yd)^[source]

Estimated 7,700 m (8,420 yd) (750 gr A-MAX load). Confirmed 3,540 m (3,870 yd)^[source]

457mm

737mm

Barrel length

All recorded figures & sources

0.457 m

L129A2 exact named variant; not a sibling record · Barrel length

Single source

0.406 m

Stgw 25 exact named variant; not a sibling record · Barrel length

Single source

0.305 m

Stgw 25K exact named variant; not a sibling record · Barrel length

Single source

18 in (457 mm)^[source]L129A2 exact named variant; not a sibling record

16 in (406 mm)^[source]Stgw 25 exact named variant; not a sibling record

12 in (305 mm)^[source]Stgw 25K exact named variant; not a sibling record

0.737 m

Barrel length

Single source

29.0 in (737 mm)^[source]

—

823m/s750 gr A-MAX load

Muzzle velocity

All recorded figures & sources

823 m/s

750 gr A-MAX load

Single source

823 m/s (2,700 ft/s) (750 gr A-MAX load)^[source]

Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.

Configuration

Details

LMT Modular Ambidextrous Rifle System and McMillan TAC-50 configuration
Specification	LMT Modular Ambidextrous Rifle System	McMillan TAC-50
Type	Assault rifle Battle rifle^[source]LMT Modular Ambidextrous Rifle System · Type	Anti-materiel 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	2000–present^[source]
Designer	Lewis Machine & Tool Company^[source]LMT Modular Ambidextrous Rifle System · Designer	—
Manufacturer	Lewis Machine & Tool Company^[source]LMT Modular Ambidextrous Rifle System · Manufacturer	McMillan Firearms^[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	.50 BMG^[source]
Action	Gas-operated , rotating bolt (internal piston, not direct impingement ) or Short-stroke piston^[source]LMT Modular Ambidextrous Rifle System · Action	Bolt action^[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	5 round detachable box magazine^[source]
Used by	—	See Users^[source]
Wars	—	War in Afghanistan War in Iraq (2013–2017)^[source]
Produced	—	2000–present^[source]
Variants	—	TAC-50A1, TAC-50A1-R2, TAC-50C^[source]
Sights	—	Customizable; 5-25x telescopic sight standard in Canadian Forces^[source]
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 · Canada Reported operator · France Reported operator · Georgia Reported operator · Israel Reported operator · Jordan Reported operator · South Africa Reported operator · Turkey Reported operator · Ukraine

FORCETALLY

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LMT Modular Ambidextrous Rifle System

McMillan TAC-50

Type

Assault rifle Battle rifle^[source]LMT Modular Ambidextrous Rifle System · Type

Anti-materiel 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

2000–present^[source]

Designer

Lewis Machine & Tool Company^[source]LMT Modular Ambidextrous Rifle System · Designer

—

Manufacturer

Lewis Machine & Tool Company^[source]LMT Modular Ambidextrous Rifle System · Manufacturer

McMillan Firearms^[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

.50 BMG^[source]

Action

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

Bolt action^[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

5 round detachable box magazine^[source]

Used by

—

See Users^[source]

Wars

—

War in Afghanistan War in Iraq (2013–2017)^[source]

Produced

—

2000–present^[source]

Variants

—

TAC-50A1, TAC-50A1-R2, TAC-50C^[source]

Sights

—

Customizable; 5-25x telescopic sight standard in Canadian Forces^[source]

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 · Canada
Reported operator · France
Reported operator · Georgia
Reported operator · Israel
Reported operator · Jordan
Reported operator · South Africa
Reported operator · Turkey
Reported operator · Ukraine