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SIG M400 ROSE 5.56 NATO 16″ W/ – ROMEO 5 GENII (2)10RD BLACK

Original price was: $1,529.99.Current price is: $1,399.99.

-8%

SIG M400 ROSE 5.56 NATO 16″ W/ – ROMEO 5 GENII (2)10RD BLACK

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SIG M400 ROSE 5.56 16" AR-15 Rifle with Romeo5 Gen II Red Dot

The SIG M400 ROSE 5.56 NATO 16" AR-platform rifle is built for practical home defense, range sessions, and everyday handling where a reliable 5.56 carbine setup matters. This configuration pairs a SIG M400 ROSE 16" barrel with a Romeo5 Gen II red dot for faster target acquisition and improved situational readiness. If you’re searching for a modern sporting rifle that’s ready to mount optics and includes standard 10-round Magpul magazines, this SIG M400 ROSE setup is designed to fit that use case.

Key Specifications

  • Manufacturer: Sig Sauer.
  • Manufacturer Part Number: RM400-16B-ROSE-R5X2-10.
  • UPC: 798681725229.
  • Action: Semi-Auto.
  • ATF Type: Modern Sporting Rifle.
  • Barrel Length: 16 inches.
  • Caliber/Gauge: .223 Rem/5.56 NATO.
  • Rate of Twist: 1:7".
  • Capacity: 10 rounds.
  • Included Magazines: (2) 10rd Magpul magazines.
  • Safety: Ambidextrous.
  • Length: 43.5 inches.
  • Sights: No traditional iron sights included because the optic setup is intended for aiming.
  • Optic Package: Romeo5 Gen II red dot.
  • Safety Note: Always follow all federal, state, and local laws and practice safe firearm handling and storage.
  • State Restriction (CA): NO DIRECT SHIP TO CALIFORNIA.

With the SIG M400 ROSE 16" platform and a Romeo5 Gen II red dot, this 5.56 AR rifle emphasizes fast, accurate sighting for defensive-minded training and consistent range performance. The included 10-round Magpul magazines support a ready-to-shoot experience out of the box, while the ambidextrous safety and 1:7 twist rate provide practical ergonomics and versatile ammunition stabilization for common .223 Rem/5.56 NATO loads.

Frequently Asked Questions (FAQs)

1) What does the SIG M400 ROSE configuration include?

It includes the SIG M400 ROSE 5.56 16" rifle plus a Romeo5 Gen II red dot optic and (2) 10-round Magpul magazines.

2) Is this rifle chambered for .223 Rem or 5.56 NATO?

Yes, it is marked for .223 Rem/5.56 NATO, so it is compatible with both chamberings as specified by SIG Sauer and standard ammunition practices.

3) What is the barrel twist rate and why does it matter?

The barrel twist rate is 1:7", which is commonly used to stabilize a wider range of typical bullet weights for 5.56/.223 loads.

4) What is the magazine capacity on this package?

The rifle is packaged with (2) 10rd Magpul magazines, and the stated capacity is 10 rounds.

5) Does this rifle come with iron sights?

The listing specifies Sights: No, indicating the aiming system is intended to rely on the included red dot optic rather than traditional backup irons.

6) Is this a semi-automatic AR-15 style rifle?

Yes, the action is Semi-Auto, and it is classified as an ATF Modern Sporting Rifle.

7) What safety features are included?

The rifle features an ambidextrous safety for left- and right-handed use.

8) Are there any shipping restrictions mentioned?

Yes. The listing indicates NO DIRECT SHIP TO CALIFORNIA, so buyers must comply with applicable state and local firearm laws.


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Additional information

UPC

798681725229

Manufacturer

Sig Sauer

Manufacturer Part Number

RM400-16B-ROSE-R5X2-10

Action

Semi-Auto

ATF Type

MODERN SPORTING RIFLE

Barrel Length

16

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

10

Length

43.5000

Number of Magazines

2 10 rd. Magpul Mags

Package Height

3.8

Package Width

14.6

Product Type

Rifle

Rate of Twist

1:7"

Safety

Ambidextrous

Shipping Weight

14.1

Sights

No

State Restriction (CA)

NO DIRECT SHIP TO CALIFORNIA

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