SIG SAUER M400 Rose Kit 5.56 NATO Rifle - ROMEO5 Gen II, Rose Go Skip to main content
SIG SAUER M400 Rose Kit 5.56 NATO Rifle - ROMEO5 Gen II, Rose Gold Controls
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SIG SAUER M400 Rose Kit 5.56 NATO Rifle - ROMEO5 Gen II, Rose Go

SKU:
3399780
UPC:
798681716593
MPN:
RM40016BROSER5
Availability:
FIREARMS, AMMUNITION, AND PRIMERS ARE ONLY AVAILABLE FOR PURCHASE IN STORES. PLEASE CONTACT YOUR LOCAL STORE.

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$1,499.99
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Sig Sauer RM40016BROSER5X2 M400 Rose Kit 5.56 NATO 30+1 16" Threaded Barrel, Black Anodized w/Rose Gold Controls, Picatinny Rail Alloy Steel Receiver, M-LOK Handguard, 6 Position Magpul SL Black Stock, Reduced Angle Grip Sig, ROMEO5 GENII

Built for performance with refined styling, the SIG SAUER M400 Rose Kit delivers a premium AR platform with enhanced ergonomics and a distinctive aesthetic. Chambered in 5.56 NATO / .223 Remington, this rifle is designed for versatility across target shooting, training, and modern sporting applications.

This model features a 16" threaded barrel for compatibility with muzzle devices, paired with a durable black anodized alloy steel receiver. The rifle stands out with its rose gold-accented controls, adding a unique, high-end visual touch while maintaining full functionality.

Equipped with a free-float M-LOK handguard, the M400 allows for flexible accessory customization. The included ROMEO5 Gen II red dot optic provides fast target acquisition and dependable aiming performance. A Magpul SL adjustable 6-position stock and reduced-angle SIG grip enhance comfort, control, and shooter ergonomics.

Product Features:

  • Chambered in 5.56 NATO / .223 Remington
  • 16" threaded barrel for muzzle device compatibility
  • Distinctive rose gold control accents
  • Durable black anodized alloy steel receiver
  • Free-float M-LOK handguard for accessory mounting
  • Includes ROMEO5 Gen II red dot optic
  • Magpul SL 6-position adjustable stock
  • Reduced-angle SIG grip for improved ergonomics
  • Full-length Picatinny top rail for optics and accessories
  • Includes 30-round magazine (30+1 capacity)

Specifications:

  • Brand: Sig Sauer
  • Category: Tactical Rifles
  • Series: Rose Kit
  • Model: M400
  • Caliber: 5.56 NATO
  • Gun Platform: AR-Style
  • Operating System: Direct Impingement
  • Stock Finish Group: Black
  • Capacity: 30+1
  • Stock Material: Polymer
  • Action: Semi-Auto
  • OAL: 33.25' - 36.50"
  • Hand: Ambidextrous
  • Sights: None
  • Barrel Finish: Black
  • Barrel Material: Chrome Moly Steel
  • Muzzle: Sig Flash Hider
  • Twist: 1:7"
  • Receiver Description: Picatinny Rail
  • Magazine Type: AR-15
  • Grips: Reduced Angle
  • Handguards: M-LOK
  • Optic Description: ROMEO5 Gen II Compact
  • Optic Type: Red Dot
  • Forend Type: M-LOK
  • Height: 7.10"
  • Receiver Material: Alloy Steel
  • Safety: Ambidextrous
  • Thread Pattern: 1 / 2"x28
  • Width: 2.75"
  • Stock Description: Magpul MOE SL
  • Barrel Description: Threaded
  • Barrel Length: 16"
  • Max Capacity: 30
  • Receiver Finish: Black Anodized w / Rose Gold Controls
  • Trigger: Two-Stage Matchlite Duo
  • Weight: 7 lbs
  • Stock Finish: Black