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

Sig Sauer M400 SRP 5.56mm Flat-Top Optic-Ready Rifle

  • Item Number: RM400-16B-C-SRP
  • /
  • View More Items by Sig Sauer
  • /
  • Condition: NEW
M400 SRP 5.56MM TACTICAL RIFLE
$1,099.99

Temporarily Out of Stock

Includes FREE shipping
  • 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 DDM4V7 PRO 5.56MM SEMI-AUTOMATIC RIFLE

    Daniel Defense DDM4V7 Pro Series 5.56mm Semi-Automatic Rifle
    $2,162.00

  • 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

  • Winchester 5.56mm 55 gr Full Metal Jacket USA 20/Box

    Winchester 5.56mm 55 gr Full Metal Jacket USA 20/Box
    $10.99
    ($0.55 / round)

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

    Winchester 5.56 NATO 55 Grain FMJ USA M193 20/Box
    $12.99
    ($0.65 / round)

  • Federal 5.56mm 55 gr Jacketed Soft Point Champion 20/Box

    Federal 5.56mm 55 gr Jacketed Soft Point Champion 20/Box
    $10.99
    ($0.55 / round)

  • Winchester 223 Rem 55 gr FMJ 20/Box

    Winchester 223 Rem 55 gr FMJ 20/Box
    $10.99
    ($0.55 / round)

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

    PMC 223 Rem 55 gr FMJ BT Bronze 20/Box
    $14.99
    ($0.75 / round)

  • Hornady 223 Rem 73 gr FTX Critical Defense 20/Box

    Hornady 223 Rem 73 gr FTX Critical Defense 20/Box
    $29.99
    ($1.50 / round)

  • Winchester 5.56mm 62 gr FMJLC M855 Green Tip Winchester 200/Box

    Winchester 5.56mm 62 gr FMJLC M855 Green Tip Winchester 200/Box
    $139.99
    ($0.70 / round)

  • Winchester 223 Rem 64 gr Power Point Super X 20/Box

    Winchester 223 Rem 64 gr Power Point Super X 20/Box
    $24.99
    ($1.25 / round)

  • Winchester 223 Rem 55 Gr PTRE Varmint X 20/Box

    Winchester 223 Rem 55 Gr PTRE Varmint X 20/Box
    $19.99
    ($1.00 / round)

  • Federal 223 Rem 55 gr FMJ BT American Eagle 20/Box

    Federal 223 Rem 55 gr FMJ BT American Eagle 20/Box
    $12.99
    ($0.65 / round)

  • Winchester 5.56mm M193 55 gr FMJ Stripper Clip 420 Rounds in Metal Ammo Can

    Winchester 5.56mm M193 55 gr FMJ Stripper Clip 420 Rounds in Metal Ammo Can
    $263.99
    ($0.63 / round)

  • Federal 223 Rem 55 Gr Barnes TSX 20/Box

    Federal 223 Rem 55 Gr Barnes TSX 20/Box
    $34.99
    ($1.75 / 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 10 GEN M3 AR-15 556 NATO 10 RD MAG

    Magpul PMAG GEN M3 5.56mm 10-Round AR-15 Magazine
    $14.99

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

    Magpul PMAG GEN M3 5.56mm 30-Round Black Magazine
    $16.99

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

    Magpul PMAG GEN M2 5.56mm 30-Round Magazine with Window
    $19.99

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

    Magpul PMAG GEN M3 5.56mm 30-Round Coyote Tan Magazine
    $16.99

  • 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 $10.99

  • 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
    $17.99

  • MAGPUL PMAG 40 GEN M3 AR-15 556 NATO 40 RD MAG

    Magpul PMAG 40 AR/M4 GEN M3 5.56mm 40-Round Magazine
    $21.99

  • AMEND2 MOD 2 AR-15 556 20 RD FDE MAG

    Amend2 AR15/M4 Mod.2 5.56mm/223 Rem. 20-Round Magazine (Flat Dark Earth)
    $14.99 $10.99

  • 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
    $19.99

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

    Magpul PMAG GEN M3 5.56mm 20-Round Black Magazine
    $13.99

Product Description

For those looking for an optic-ready platform, the SIGM400 SRP removes the front sight tower and replaces it with an M1913 railed front gas block. This sight-ready platform allows the operator to mount any optic without worrying about the sight tower. The gas block accepts all iron sights designed to work on the Mil-Spec Picatinny rail.

The Sig M400 Series Tactical Rifle was designed for use in law enforcement, military operations, or the sporting field as well as competitive shooting. The SIG M400 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.


Features
- Direct impingement gas operating system with rotating locking bolt
- 5.56 x 45 mm NATO Chrome-lined barrels with phosphate finish
- Accepts most M16 type magazines
- M16A2 Type flash supressor


Specifications
- Caliber: 5.56X45mm NATO
- Overall Length: 35.5 in
- Rifling: 1 in 7in
- Number of Grooves: 6
- Barrel Length: 16.0 in
- Weight w/out Mag: 6 lbs 5 oz
- Mag Capacity: 30 Rounds
- Accessory Rail: Yes
- Features: Six-position collapsing stock, AR-15 Type Magazine

Customer Comments & Questions

Customer Reviews

No reviews have been written for this product.

Write a review