725-224-2383Account Wishlist
My CART
{brtheme_woo_cart_item_count}
Filters
725-224-2383Account Wishlist
My CART
{brtheme_woo_cart_item_count}

My Cart ({brtheme_woo_cart_item_count})

Oops! There is nothing in your cart, yet. Here's what you can do:

Close modal

or

Shop Now

Sig Sauer M400 Forge Moos Green Rifle 5.56 NATO 30rd Magazine 16″ Barrel ROMEO-MSR GEN II Adjustable Stock M-LOK Handguard

Sig Sauer M400 Forge Moos Green Rifle 5.56 NATO 30rd Magazine 16″ Barrel ROMEO-MSR GEN II Adjustable Stock M-LOK Handguard

$1,139.08

Out of stock

Email me when this item is back in stock.

Features:

  • TriggerTech 3.5 pound two-stage flat blade duty trigger
  • 16" cold hammer forged barrel with mid-length gas system
  • ROMEO-MSR Gen II 2 MOA red dot included
  • Full-length free-floating M-LOK handguard
  • Ambidextrous charging handle
  • MAGPUL SL-K 6-Position adjustable stock

Specifications:

  • FIREARM TYPE: Rifle
  • CALIBER: 5.56 NATO
  • SIGHTS: ROMEO-MSR GEN II w/2 MOA DOT
  • BARREL LENGTH: 16 in [406.4 mm]
  • BARREL MATERIAL: Cold Hammer Forged Steel
  • TWIST RATE: 1:7
  • THREADS: 1/2 in – 28 90 Degree Shouldered
  • MUZZLE DEVICE: A2 Birdcage Flash Hider
  • ACTION TYPE: Semi-Auto
  • OPERATING SYSTEM: Mid-Length Direct Impingement
  • STOCK TYPE: 6-Position Magpul SL-K
  • GRIP TYPE: Reduced Angle
  • TRIGGER TYPE: TriggerTech 3.5-Pound 2-Stage Flat Blade
  • TRIGGER SHAPE: Flat
  • MANUAL SAFETY: Ambidextrous
  • FOREND TYPE: M-LOK Moss Green Cerakote
  • ACCESSORY RAIL: M-LOK/Full-Length Picatinny
  • MAG TYPE: AR-15
  • MAGS INCLUDED: (1) 30rd Polymer Mag
  • COLOR: Concrete Gray
  • RECEIVER FINISH: Moss Green Cerakote
  • OVERALL LENGTH: 35.5 in [901.7 mm]
  • COLLAPSED LENGTH: 32.25 in
  • OVERALL WIDTH: 2.7 in [68.58 mm]
  • HEIGHT: 9.4 in [819.15 mm]
  • WEIGHT: 6.8 lb [3084.43 kg]

Your Trusted Online Firearms Store – Shop with Confidence!

Looking for the best prices on Sig Sauer M400 Forge Moos Green Rifle 5.56 NATO 30rd Magazine 16″ Barrel ROMEO-MSR GEN II Adjustable Stock M-LOK Handguard by Sig Sauer? The 1911 Guys proudly serves North Las Vegas with unbeatable pricing, expert service, and exclusive rewards.

Best Prices in North Las Vegas
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

798681744206

Manufacturer

Sig Sauer

Manufacturer Part Number

RM400-556N-16B-FORGE-MSGRN

Action

Semi-Auto

Barrel Length

16"

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

30

Magazine Included

1 x 30-Round

Model

M400

Product Type

AR

Rate of Twist

1:7"

Shipping Weight

0.0

SKU: LIP|SIRM40055616FMGCategories: AR Rifles

Features:

  • TriggerTech 3.5 pound two-stage flat blade duty trigger
  • 16" cold hammer forged barrel with mid-length gas system
  • ROMEO-MSR Gen II 2 MOA red dot included
  • Full-length free-floating M-LOK handguard
  • Ambidextrous charging handle
  • MAGPUL SL-K 6-Position adjustable stock

Specifications:

  • FIREARM TYPE: Rifle
  • CALIBER: 5.56 NATO
  • SIGHTS: ROMEO-MSR GEN II w/2 MOA DOT
  • BARREL LENGTH: 16 in [406.4 mm]
  • BARREL MATERIAL: Cold Hammer Forged Steel
  • TWIST RATE: 1:7
  • THREADS: 1/2 in – 28 90 Degree Shouldered
  • MUZZLE DEVICE: A2 Birdcage Flash Hider
  • ACTION TYPE: Semi-Auto
  • OPERATING SYSTEM: Mid-Length Direct Impingement
  • STOCK TYPE: 6-Position Magpul SL-K
  • GRIP TYPE: Reduced Angle
  • TRIGGER TYPE: TriggerTech 3.5-Pound 2-Stage Flat Blade
  • TRIGGER SHAPE: Flat
  • MANUAL SAFETY: Ambidextrous
  • FOREND TYPE: M-LOK Moss Green Cerakote
  • ACCESSORY RAIL: M-LOK/Full-Length Picatinny
  • MAG TYPE: AR-15
  • MAGS INCLUDED: (1) 30rd Polymer Mag
  • COLOR: Concrete Gray
  • RECEIVER FINISH: Moss Green Cerakote
  • OVERALL LENGTH: 35.5 in [901.7 mm]
  • COLLAPSED LENGTH: 32.25 in
  • OVERALL WIDTH: 2.7 in [68.58 mm]
  • HEIGHT: 9.4 in [819.15 mm]
  • WEIGHT: 6.8 lb [3084.43 kg]

Your Trusted Online Firearms Store – Shop with Confidence!

Looking for the best prices on Sig Sauer M400 Forge Moos Green Rifle 5.56 NATO 30rd Magazine 16″ Barrel ROMEO-MSR GEN II Adjustable Stock M-LOK Handguard by Sig Sauer? The 1911 Guys proudly serves North Las Vegas with unbeatable pricing, expert service, and exclusive rewards.

Best Prices in North Las Vegas
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

798681744206

Manufacturer

Sig Sauer

Manufacturer Part Number

RM400-556N-16B-FORGE-MSGRN

Action

Semi-Auto

Barrel Length

16"

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

30

Magazine Included

1 x 30-Round

Model

M400

Product Type

AR

Rate of Twist

1:7"

Shipping Weight

0.0

Welcome to The 1911 Guys, in order to browse our site you must be at least 18 years of age.

Are you at least 18 years old?

YesNo