Documents
United States SIG Sauer
SIG Sauer M250
A gas-operated, belt-fed 6.8 mm light machine gun developed by SIG Sauer for the U.S. Army's Next Generation Squad Weapon program to replace the M249 SAW. Firing the 6.8x51 mm Common Cartridge, it pairs a recoil-mitigation system with the M157 fire-control optic for improved range and lethality.
In service since 2024 · 1 operator countries
Compiled from public sources ·primary reference ↗ ·last verified 2026-07-05
800
m range
800
rpm
914
m/s
200
rds
Procurement snapshot
Availability & export
US ITAR-controlled
Export needs U.S. State Dept (DDTC) approval; end-use & re-transfer restrictions apply.
Channel: Foreign Military Sales (FMS) or Direct Commercial Sale
Fielded & proven
Limited · 1 operator
In service since 2024. Status: active.
Lifecycle cost (est.)
No public unit price to model from.
Interoperability
No standardised NATO calibre / datalink detected in public specs.
Derived guidance from public data, export regime by country of origin, lifecycle from the GAO ~30% acquisition rule. Verify eligibility, pricing and offsets with the manufacturer and your acquisition authority.
Full specifications
Performance
Speed, range, altitude and engagement capability.
- Effective range
Distance at which the weapon reliably hits point targets. Higher extends engagement envelope.
- 800 m Stronger than 84% of rifles
- Rate of fire
Rounds per minute (cyclic). Higher increases suppression and hit probability.
- 800 rpm Stronger than 75% of rifles
- Muzzle velocity
Projectile speed leaving the barrel. Higher means flatter trajectory and better armor penetration.
- 914 m/s Stronger than 65% of rifles
Firepower
Armament, payload and guidance.
- Main armament
Primary weapon: main gun, cannon or missile type.
- 6.8x51 mm Common Cartridge (.277 Fury)
- Caliber
Bore diameter of the main gun or rifle. Larger throws heavier projectiles; not simply better, ammunition commonality matters.
- 6.8 mm
- Ammunition
Rounds carried (main gun) or standard magazine capacity.
- 200 Top 1% of rifles
Physical
Dimensions, weight and crew.
- Length
Overall length including gun/probe where applicable.
- 1.06 m
- Empty weight
Weight without fuel, ammunition or crew.
- 6 kg
- Crew
Personnel required to operate. Fewer reduces exposure; autoloaders trade a loader for mechanical complexity.
- 1
- Barrel length
Barrel length, longer improves muzzle velocity and accuracy, shorter improves handling.
- 444 mm
Munition
Round type, penetration, velocity and projectile data.
- Caliber
Bore diameter the round is fired from.
- 7 mm
Program
Cost, production scale and operators.
- Operator countries
Number of countries operating the system. More operators means broader support ecosystem.
- 1 Bottom 7% of rifles
Specifications compiled from public SIG Sauer and reference sources ↗. Published defense figures are approximations, treat comparisons as directional. Last verified 2026-07-05.
Compare with rivals
See how it stacks up
Tula Arms Plant AEK-971 Frequently asked questions
How many crew does the SIG Sauer SIG Sauer M250 require? +
The SIG Sauer SIG Sauer M250 requires a crew of 1.
What is the main armament of the SIG Sauer SIG Sauer M250? +
The SIG Sauer SIG Sauer M250's primary weapon is the 6.8x51 mm Common Cartridge (.277 Fury).
What is the SIG Sauer SIG Sauer M250 used for? +
The SIG Sauer SIG Sauer M250 is a rifle & long arms typically used for infantry combat.
How many countries operate the SIG Sauer SIG Sauer M250? +
The SIG Sauer SIG Sauer M250 is operated by 1 countries.
