1. Sig Sauer
  3. M400

Sig Sauer M400

SIG SAUER M400

Featuring a lightweight and rigid free-floating M-LOK handguard, the Sig Sauer M400 provides exceptional control and lets you mount accessories easily. It comes with an ambidextrous safety, plus it has a built-in QD mount to easily add a sling.

M400 CLASSIC 5.56 CALIFORNIA MODEL

Sig Sauer M400 Classic 5.56mm Rifle (California Model)

  • $1,313.00 $949.99
  • Brand: Sig Sauer
  • Item Number: RM400-16B-C-CA
M400 SWAT 5.56 CALIFORNIA COMPLIANT

Sig Sauer M400 Swat 5.56mm Tactical Rifle (California Model)

  • $1,405.00 $1,349.99
  • Brand: Sig Sauer
  • Item Number: RM400-16B-S-CA
M400 FDE 5.56 PISTOL W/STABILIZING BRACE

Sig Sauer M400 5.56mm FDE Centerfire Pistol with SB15 Stabilizing Brace

  • $1,519.00 $1,049.00
  • Brand: Sig Sauer
  • Item Number: PM400-11B-EC-FDE-PSB
M400 5.56MM B SERIES FOLIAGE CARBINE

Sig Sauer M400 B5 Series Foilage 5.56mm Carbine Rifle

  • $1,234.00 $860.49
  • Brand: Sig Sauer
  • Item Number: RM400-16B-B5-FOL
M400 5.56MM B SERIES GRAY CARBINE

Sig Sauer M400 B5 Series Gray 5.56mm Carbine Rifle

  • $1,234.00 $860.49
  • Brand: Sig Sauer
  • Item Number: RM400-16B-B5-GRY
SIGM400 ENHANCED 5.56MM RIFLE (LE)

Sig Sauer SIGM400 Enhanced 5.56mm Semi-Auto Rifle (LE)

  • $1,234.00 $1,039.00
  • Brand: Sig Sauer
  • Item Number: WRM400-16B-ECP
M400 ELITE 5.56MM PISTOL WITH SIG BRACE

Sig Sauer M400 Elite 5.56mm Pistol with Sig Brace and KeyMod Rail

  • $1,650.00 $1,399.99
  • Brand: Sig Sauer
  • Item Number: PM400-11B-ELITE
AR-15 556 NATO 30 RD MAG

Sig Sauer M400/516/MCX 223/5.56 30-Round Factory Aluminum Magazine (Gray)

  • $19.00
  • Brand: Sig Sauer
  • Item Number: MAG-AR-ALUM-30
M400 5.56MM NATO POLICE TRADE-IN AR-15 RIFLES WITH CARRY HANDLE

Sig Sauer M400 5.56mm NATO Police Trade-in AR-15 Rifles with Carry Handle

  • $849.99
M400 ELITE 5.56MM SEMI-AUTOMATIC RIFLE

Sig Sauer M400 Elite 5.56mm Semi-Automatic Rifle with M-LOK

  • $1,200.00 $999.99
M400 ELITE TI 5.56MM WITH M-LOK

Sig Sauer M400 Elite Titanium Cerakote 5.56mm Semi-Automatic Rifle with M-LOK

  • $1,350.00 $1,129.99
  • Brand: Sig Sauer
  • Item Number: RM400-16B-E-TI
M400 TREAD 5.56NATOSEMI-AUTOMATIC RIFLE

Sig Sauer M400 Tread 5.56mm Semi-Automatic Rifle

  • $949.99 $849.99
  • Brand: Sig Sauer
  • Item Number: RM400-16B-TRD
FLIP-UP SIGHT SET FOR M400 TREAD

Sig Sauer Flip-Up Sight Set for M400 Tread

  • $149.99
  • Brand: Sig Sauer
  • Item Number: KIT-TRD-SIGHTS
VERTICAL GRIP FOR M400 TREAD

Sig Sauer M400 Tread Vertical Grip (M-LOK)

  • $29.99
  • Brand: Sig Sauer
  • Item Number: KIT-TRD-GRIP-VERTICAL-BLK
M400 TREAD 5.56MM COMBO PACKAGE

Sig Sauer M400 Tread 5.56mm Package with ROMEO5 Red Dot and MCX Deployment Bag

  • $1,554.99 $949.99
  • Brand: Sig Sauer
  • Item Number: RM400-16B-TRD-COMBO
M400 5.56 VTAC COYOTE W/ ROMEO5

Sig Sauer M400 V-TAC Coyote 5.56mm Special Edition with ROMEO5 Red Dot

  • $949.99
  • Brand: Sig Sauer
  • Item Number: RM400-16B-VTAC-NBS
M400 TREAD 5.56MM AR-PISTOL

Sig Sauer M400 TREAD 5.56mm AR-Pistol with 11.5 in Barrel

  • $1,099.99 $999.99
  • Brand: Sig Sauer
  • Item Number: PM400-11B-TRD
SIGM400 5.56 NATO USED

Sig Sauer M400 5.56mm NATO Police Trade-in AR-15 Rifles with Carry Handle

  • $999.99
  • Brand: Sig Sauer
  • Item Number: SIGM400 556 USED
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