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SIG SAUER M400 FORGE 5.56 RIFLE 16.5″ BBL, BLACK, ROMEO MSR G2, TELESTOCK 1-10RD MAG

SIG SAUER M400 FORGE 5.56 RIFLE 16.5″ BBL, BLACK, ROMEO MSR G2, TELESTOCK 1-10RD MAG

$999.99

11 in stock

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Disclaimer: It is the customer’s responsibility to ensure that all orders comply with applicable local and federal regulations. Non-compliant orders are subject to a 30% restocking fee. We reserve the right to dispute any chargebacks related to such orders.

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Product Overview

The SIGM400 5.56 NATO rifle with a 16 in barrel delivers a semi-automatic platform built around a Romeo-MSR Gen II optic, a telescoping stock, and an aluminum M-LOK handguard in a black finish. The package includes a 10-round magazine.

Key Features

  • Caliber: 5.56 NATO
  • Action: Semi-automatic
  • Barrel length: 16 in
  • Optic: Romeo-MSR Gen II
  • Stock: Telescoping stock (Tele Stock)
  • Handguard: Aluminum M-LOK HG
  • Finish: Black
  • Magazine included: (1) 10RD MAG

Specifications

  • Product name: SIGM400
  • Cartridge: 5.56 NATO
  • Fire control: Semi
  • Barrel length: 16 in
  • Optics model: Romeo-MSR Gen II
  • Handguard system: M-LOK (aluminum)
  • Magazine capacity: 10 rounds
  • Color/finish: Black

Benefits and Performance Notes

With a 16 in barrel and integrated Romeo-MSR Gen II optic, the SIGM400 is configured for quick target acquisition and consistent sighting alignment. The telescoping stock supports adjustment for different shooting positions, while the aluminum M-LOK handguard provides a modular mounting interface for accessories.

Use Cases

  • Range sessions with 5.56 NATO ammunition
  • Training activities requiring a semi-automatic 16 in configuration
  • Target-focused setups benefiting from an included red-dot optic
  • Accessory-equipped builds using an M-LOK handguard

Your Trusted Online Firearms Store – Shop with Confidence!

Looking for the best prices on SIG SAUER M400 FORGE 5.56 RIFLE 16.5″ BBL, BLACK, ROMEO MSR G2, TELESTOCK 1-10RD MAG by Sig Sauer Pathfinder Militaria proudly serves Madison with unbeatable pricing, expert service, and exclusive rewards.

  • Best Prices in Madison
  • Earn Rewards on Every Purchase.
  • Special Bundles & Firearm Packages Available.
  • Safe & Secure Checkout – Shop with confidence using trusted payment options.
  • Compliance-Ready – All sales follow federal, state, and local firearm laws.

Limited Stock – Visit Us Today or Shop Online Before They’re Gone!

UPC

798681744121

Manufacturer

Manufacturer Part Number

RM400-556N-16B-FORGE-10

Accessories

Romeo MSR Gen2

Action

Semi-Auto

Barrel Finish

Black

Barrel Length

16"

Barrel Length Range

16" to 16.99"

Barrel Material

Cold Hammer Forged Steel

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

10 + 1

Checkering

No

Color

Black

Detachable Magazine

Yes

Finish

Black

Finish Color

Matte

Finish Type

ANODIZED

Grip Material

POLYMER

Hand

Right Hand

Handguards

M-Lok

Height

7.20"

Hinged Floorplate

No

Material

Alloy

Model

M400 Forge

Muzzle

Flash Hider

Number of Magazines

1 10 rd.

Overall Length

32.25"- 35.50"

Product Type

AR

Rate of Twist

1:7"

Receiver Description

Black Anodized

Recoil Pad

No

Series

Forge

Shipping Weight

9.7

Sights

Optics Ready

Stock Color

BLACK

Stock Description

Magpul SL-K

Stock Finish

Black

Stock Finish Group

Black

Stock Material

Polymer

Stock Type

Adjustable Stock

Subcategory

Modern Sporting Rifles

Swivel Studs

No

Trigger

TriggerTech Two Stage

Weight

6.80 lbs

Weight (lbs)

6.8

Weight Range

6 lbs to 6.99 lbs

Width

2.70"

Reviews

There are no reviews yet.

Be the first to review “SIG SAUER M400 FORGE 5.56 RIFLE 16.5″ BBL, BLACK, ROMEO MSR G2, TELESTOCK 1-10RD MAG”

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SKU: CSSI|XI744121Categories: AR Rifles

Product Overview

The SIGM400 5.56 NATO rifle with a 16 in barrel delivers a semi-automatic platform built around a Romeo-MSR Gen II optic, a telescoping stock, and an aluminum M-LOK handguard in a black finish. The package includes a 10-round magazine.

Key Features

  • Caliber: 5.56 NATO
  • Action: Semi-automatic
  • Barrel length: 16 in
  • Optic: Romeo-MSR Gen II
  • Stock: Telescoping stock (Tele Stock)
  • Handguard: Aluminum M-LOK HG
  • Finish: Black
  • Magazine included: (1) 10RD MAG

Specifications

  • Product name: SIGM400
  • Cartridge: 5.56 NATO
  • Fire control: Semi
  • Barrel length: 16 in
  • Optics model: Romeo-MSR Gen II
  • Handguard system: M-LOK (aluminum)
  • Magazine capacity: 10 rounds
  • Color/finish: Black

Benefits and Performance Notes

With a 16 in barrel and integrated Romeo-MSR Gen II optic, the SIGM400 is configured for quick target acquisition and consistent sighting alignment. The telescoping stock supports adjustment for different shooting positions, while the aluminum M-LOK handguard provides a modular mounting interface for accessories.

Use Cases

  • Range sessions with 5.56 NATO ammunition
  • Training activities requiring a semi-automatic 16 in configuration
  • Target-focused setups benefiting from an included red-dot optic
  • Accessory-equipped builds using an M-LOK handguard

Your Trusted Online Firearms Store – Shop with Confidence!

Looking for the best prices on SIG SAUER M400 FORGE 5.56 RIFLE 16.5″ BBL, BLACK, ROMEO MSR G2, TELESTOCK 1-10RD MAG by Sig Sauer Pathfinder Militaria proudly serves Madison with unbeatable pricing, expert service, and exclusive rewards.

  • Best Prices in Madison
  • Earn Rewards on Every Purchase.
  • Special Bundles & Firearm Packages Available.
  • Safe & Secure Checkout – Shop with confidence using trusted payment options.
  • Compliance-Ready – All sales follow federal, state, and local firearm laws.

Limited Stock – Visit Us Today or Shop Online Before They’re Gone!

UPC

798681744121

Manufacturer

Manufacturer Part Number

RM400-556N-16B-FORGE-10

Accessories

Romeo MSR Gen2

Action

Semi-Auto

Barrel Finish

Black

Barrel Length

16"

Barrel Length Range

16" to 16.99"

Barrel Material

Cold Hammer Forged Steel

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

10 + 1

Checkering

No

Color

Black

Detachable Magazine

Yes

Finish

Black

Finish Color

Matte

Finish Type

ANODIZED

Grip Material

POLYMER

Hand

Right Hand

Handguards

M-Lok

Height

7.20"

Hinged Floorplate

No

Material

Alloy

Model

M400 Forge

Muzzle

Flash Hider

Number of Magazines

1 10 rd.

Overall Length

32.25"- 35.50"

Product Type

AR

Rate of Twist

1:7"

Receiver Description

Black Anodized

Recoil Pad

No

Series

Forge

Shipping Weight

9.7

Sights

Optics Ready

Stock Color

BLACK

Stock Description

Magpul SL-K

Stock Finish

Black

Stock Finish Group

Black

Stock Material

Polymer

Stock Type

Adjustable Stock

Subcategory

Modern Sporting Rifles

Swivel Studs

No

Trigger

TriggerTech Two Stage

Weight

6.80 lbs

Weight (lbs)

6.8

Weight Range

6 lbs to 6.99 lbs

Width

2.70"

Reviews

There are no reviews yet.

Be the first to review “SIG SAUER M400 FORGE 5.56 RIFLE 16.5″ BBL, BLACK, ROMEO MSR G2, TELESTOCK 1-10RD MAG”

Your email address will not be published. Required fields are marked *


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