1. Firearms
  3. Semi-Auto Rifles
  5. AR-15 Rifles

Sig Sauer M400 Enhanced 5.56mm OD Green Rifle with Magpul Outfits

  • Item Number: RM400-16B-EC-ODG
  • /
  • View More Items by Sig Sauer
  • /
  • Condition: NEW
M400 ENHANCED OD GREEN 5.56MM W/ MAGPUL
$1,299.99 $1,485.00

No Longer Available
This product is no longer available. We don't know when or if it will be back in stock.
  • DANIEL DEFENSE DDM4 V7 5.56MM SEMI-AUTOMATIC RIFLE

    Daniel Defense DDM4 V7 5.56mm Semi-Automatic Rifle
    $1,907.00

  • DANIEL DEFENSE DDM4 V7 5.56MM SEMI-AUTO RIFLE

    Daniel Defense DDM4 V7 5.56mm Semi-Auto Rifle with Mil-Spec + Cerakote Finish
    $2,098.00

  • DANIEL DEFENSE DD M4A1 5.56MM SEMI-AUTOMATIC RIFLE

    Daniel Defense DD M4A1 5.56mm Semi-Automatic Rifle
    $2,240.00

  • DANIEL DEFENSE DDM4 V9 223/5.56MM SEMI-AUTOMATIC RIFLE

    Daniel Defense DDM4 V9 223/5.56mm Semi-Automatic Rifle
    $2,015.00

  • Browning 223 Rem 55 gr FMJ Training and Practice 20/Box

    Browning 223 Rem 55 gr FMJ Training and Practice 20/Box
    $8.65
    ($0.43 / round)

  • Winchester 5.56 NATO 55 Grain FMJ USA M193 20/Box

    Winchester 5.56 NATO 55 Grain FMJ USA M193 20/Box
    $10.99 $8.65
    ($0.43 / round)

  • Hornady 223 Rem 55 gr FMJ Frontier 20/Box

    Hornady 223 Rem 55 gr FMJ Frontier 20/Box
    $9.99
    ($0.50 / round)

  • Winchester 5.56mm 62 gr M855 FMJ Green Tip USA Valor Series 125/Box

    Winchester 5.56mm 62 gr M855 FMJ Green Tip USA Valor Series 125/Box
    $59.99
    ($0.48 / round)

  • Hornady 5.56 NATO 75 gr BTHP Match Frontier 20/Box

    Hornady 5.56 NATO 75 gr BTHP Match Frontier 20/Box
    $14.99
    ($0.75 / round)

  • Federal 223 Rem 55 Gr Barnes TSX 20/Box

    Federal 223 Rem 55 Gr Barnes TSX 20/Box
    $34.99
    ($1.75 / round)

  • Hornady 223 Rem 55 gr Hollow Point Match Frontier 20/Box

    Hornady 223 Rem 55 gr Hollow Point Match Frontier 20/Box
    $10.49
    ($0.52 / round)

  • Hornady 223 Rem 68 gr BTHP Match Frontier 20/Box

    Hornady 223 Rem 68 gr BTHP Match Frontier 20/Box
    $12.79
    ($0.64 / round)

  • Hornady 5.56mm NATO 70 gr TAP CX BARR Police Trade-In Ammo 20/Box

    Hornady 5.56mm NATO 70 gr TAP CX BARR Police Trade-In Ammo 20/Box
    $27.99
    ($1.40 / round)

  • Hornady 5.56 NATO 55 Grain CX Superformance 20/Box

    Hornady 5.56 NATO 55 Grain CX Superformance 20/Box
    $26.99
    ($1.35 / round)

  • PMC 223 Rem 55 gr FMJ BT Bronze 20/Box

    PMC 223 Rem 55 gr FMJ BT Bronze 20/Box
    $8.99
    ($0.45 / round)

  • PMC X-TAC 5.56mm NATO 62 gr M855 Green-Tip 20/Box

    PMC X-TAC 5.56mm NATO 62 gr M855 Green-Tip 20/Box
    $9.49
    ($0.47 / round)

  • MAGPUL PMAG 30 GEN M2 AR-15 556 NATO 30 RD MAG

    Magpul PMAG GEN M2 5.56mm 30-Round Black Magazine
    $12.95 $8.99

  • MAGPUL PMAG 30 GEN M3 AR-15 556 NATO 30 RD WINDOW MAG

    Magpul PMAG GEN M3 5.56mm 30-Round Black Magazine with Window
    $13.99

  • MAGPUL PMAG 30 GEN M3 AR-15 556 NATO 30 RD MAG (TAN)

    Magpul PMAG GEN M3 5.56mm 30-Round Coyote Tan Magazine
    $11.99

  • MAGPUL PMAG 10 GEN M3 AR-15 556 NATO 10 RD MAG

    Magpul PMAG GEN M3 5.56mm 10-Round AR-15 Magazine
    $12.99

  • AMEND2 MOD 2 AR-15 5.56 MM 20 RD BLACK MAG

    Amend2 AR15/M4 Mod.2 5.56mm/223 Rem. 20-Round Magazine (Black)
    $14.99 $8.99

  • MAGPUL PMAG 30 GEN M3 AR-15 556 NATO 30 RD MAG

    Magpul PMAG GEN M3 5.56mm 30-Round Black Magazine
    $11.99

  • MAGPUL PMAG 30 GEN M2 AR-15 556 NATO 30 RD WINDOW MAG

    Magpul PMAG GEN M2 5.56mm 30-Round Magazine with Window
    $12.99

  • AMEND2 MOD 2 AR-15 5.56 MM 30 RD BLACK MAG

    Amend2 AR15/M4 Mod.2 5.56mm/223 Rem. 30-Round Magazine (Black)
    $14.99 $11.99

  • MAGPUL PMAG 30 GEN M3 AR-15 556 NATO 30 RD WINDOW MAG (TAN)

    Magpul PMAG GEN M3 5.56mm 30-Round Coyote Tan AR/M4 Magazine with Window
    $13.99

  • MAGPUL PMAG 20 GEN M3 AR-15 556 NATO 20 RD MAG

    Magpul PMAG GEN M3 5.56mm 20-Round Black Magazine
    $12.99

  • TROY 5.56MM 30-ROUND BATTLEMAG FOR AR-15 RIFLES

    Troy 5.56mm 30-Round Battlemag for AR-15 Rifles
    $10.95

  • HEXMAG 5.56/223 30 RD MAG

    Hexmag 5.56/223 30 Round Black Magazine Series 2
    $14.99 $13.99

Product Description

What’s in the Box

  • Sig Sauer M400 Enhanced Rifle
  • Magpul Rear Sight
  • (1) 30 Round Magazine
  • Cable Lock
  • Owner’s Manual

Designed for use in law enforcement, military operations, or the sporting field as well as competitive shooting. The SIGM400 is a true AR platform tactical rifle. Provides unparalleled accuracy, with a 16” chrome-lined and phosphate coated barrel that provides maximum durability and corrosion resistance. A 7075-T6 aircraft grade aluminum forged lower receiver adds to the durability and reliability.

This OD version with Black Upper and lower receiver, OD Green polymer Magpul MOE forend, grip and collapsible stock.

  • Caliber: 5.56 X 45mm NATO
  • Barrel Length: 16”
  • Action: Semi-Auto
  • Rifling: 1 in 7 in.
  • Trigger Weight: 7.6 lbs
  • Overall Length: 35.6”
  • Magazine: 30 Round Magpul P-MAG

Customer Comments & Questions

Customer Reviews

Write a review
(5 out of 5) Great AR
by from Yakima, WA on

I love the single-point sling attachment on both sides and the ambidextrous magazine release. The Magpul furniture is something I was going to swap anyway, so I'm glad I found one of these back when WM had them in-stock, back in 2011.