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  1. M400-FORGE
    M400-FORGE
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  2. M400-FORGE PISTOL
    NEW!
    M400-FORGE PISTOL
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  3. M400-TREAD V2 COIL
    M400-TREAD V2 COIL
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  4. M400 ROSE
    M400 ROSE
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  5. M400-SDI SENTRY
    M400-SDI SENTRY
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  6. M400-SDI X PISTOL
    M400-SDI X PISTOL
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  7. "The M400-SDI XSERIES rifle: A premium firearm featuring Sig Sauer's series of X enhancements for superior performance and versatility in any shooting scenario."
    M400-SDI X
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Filter SIG M400 Rifles
Model +
  1. FORGE
  2. SIGM400
  3. TREAD
Firearm Type +
  1. Pistol
  2. Rifle
Barrel Length +
  1. 11.5 in [292.1 mm]
  2. 16 in [406.4 mm]
Sights +
  1. Optics Ready
  2. ROMEO-MSR GEN II w/2 MOA DOT
  3. ROMEO5 GENII Installed
Operating System +
  1. Carbine Length Direct Impingement
  2. Mid-Length Direct Impingement
Color +
  1. Black
  2. Concrete Gray
  3. Flat Dark Earth (FDE)
  4. Moss Green
  5. Moss Green Cerakote
Manual Safety +
  1. Ambidextrous
Twist Rate +
  1. 1:7
  2. 1:8
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