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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 TREAD 5.56MM AR-PISTOL

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

  • $1,099.99 $999.99
SIGM400 5.56 NATO USED

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

  • $999.99
M400 PRO 5.56 NATO SEMI-AUTO RIFLE WITH 16 INCH BARREL AND ROMEO 4T RED DOT (LE

Sig Sauer M400 PRO 5.56 NATO Semi-Auto Rifle with 16 Inch Barrel and Romeo 4T Red Dot (LE)

  • $1,345.00
M400 TREAD COIL 5.56 RIFLE WITH ROMEO 5 RED DOT

Sig Sauer M400 Tread Coil 5.56 Rifle with Romeo 5 Red Dot

  • $1,329.99 $1,299.99
PM400 TREAD COIL 5.56 PISTOL BRACE ROMEO5 RED DOT

Sig Sauer PM400 Tread COIL 5.56mm AR Pistol with ROMEO5 Red Dot

  • $1,299.99
M400 TREAD 5.56 16` BBL W/SIERRA3 BDX SCOPE

Sig Sauer M400 Tread 5.56mm Semi-Automatic Rifle with Sierra3 3.5-10x42mm BDX Riflescope

  • $1,399.99
M400 ENCHANCED 300 BLACKOUT 16` BBL

Sig Sauer M400 Enhanced 300 Blackout AR-15 Semi-Auto Rifle with Green Magpul MOE Accessories

  • $1,419.99
M400 TREAD SNAKEBITE SE 5.56MM OPTICS READY AR-15 RIFLE

Sig Sauer M400 Tread Snakebite 5.56mm NATO Optics Ready AR-15 Rifle

  • $1,379.99 $999.99
M400 TREAD PREDATOR 5.56MM SEMI-AUTOMATIC RIFLW WITH ELITE JUNGLE CERAKOTE FINI

Sig Sauer M400 Tread Predator 5.56mm Semi-Automatic Rifle with Elite Jungle Cerakote Finis

  • $1,299.99 $999.99
M400 TREAD SNAKE BITE 5.56 16` BBL COIL

Sig Sauer M400 Tread Snakebite Coil 5.56 NATO Rifle with Tan Stock and ROMEO5 Red Dot Sight

  • $1,399.99
M400 TREAD 5.56MM SEMI-AUTOMATIC RIFLE (10-ROUND MODEL)

Sig Sauer M400 Tread 5.56mm Semi-Automatic Rifle (10-Round Model)

  • $1,099.99
M400 TREAD SNAKEBITE SE 5.56NATO

Sig Sauer M400 Tread Snakebite SE 5.56mm Semi-Automatic Rifle with Cerakote Elite Finish

  • $1,379.99 $1,249.99
SIGM400 5.56NATO 16` BARREL TREAD PREDATOR JUNGLE 1-15RND MAG

Sig Sauer M400 Tread Predator 5.56 Nato Semi-Auto Rifle with Jungle Green Elite Cerakote Finish

  • $1,299.99 $1,199.99
M400 V2 MOSS GREEN 5.56 16 IN BBL 30 RD MAG

Sig Sauer M400 Tread V2 5.56mm AR-15 Rifle with Moss Green Finish

  • $1,042.39
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