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

Windham CDI 5.56mm Semi-Automatic AR-15 with 15-Inch M-LOK Handguard

  • Item Number: R16M4SFSCT
  • /
  • View More Items by Windham
  • /
  • Condition: NEW
Windham CDI 5.56mm Semi-Automatic AR-15 with 15-Inch M-LOK Handguard
WINDHAM WEAPONRY CDI 5.56mm Semi-Automatic AR-15 with 15-Inch M-LOK Handguard
$1,559.99 $1,896.00

Temporarily Out of Stock

Includes FREE shipping
  • RUGER AR-556 5.56MM WITH M-LOK

    Ruger AR-556 5.56mm Semi-Automatic Rifle with M-LOK and Heavy Contour Barrel
    $1,039.00 $579.99

  • RUGER AR-556 5.56 NATO M4 AUTOLOADING RIFLE

    Ruger AR-556 5.56 NATO M4 Flat-Top Autoloading Rifle
    $1,019.00 $519.99

  • RADICAL FIREARMS RADICAL 5.56MM 16` BARREL WITH 15` FREE FLOAT RAIL ODG

    Radical Firearms FR16 5.56 NATO Rifle with M-LOK Handguard and OD Green Stock
    $399.99

  • SMITH AND WESSON MP15 SPORT III 5.56 MM CT RED DOT DUTY CASE 3X30 MAGS

    Smith & Wesson MP15 Sport III 5.56mm Rifle Package with Crimson Trace Red Dot, Duty Series Rifle Case and Three Magazines
    $829.00 $759.99

  • AMERICAN TACTICAL ATI GAX55613ML ALPHA MAXX 5.56X45 16 13 MLOK

    American Tactical Alpha Maxx 5.56mm Semi-Automatic AR-15 Rifle with 13 Inch Polymer Handguard
    $329.99

  • RADICAL FIREARMS RADICAL FIREARMS RF-15 5.56NATOSOCOM WITH 15-INCH MHR RAIL

    Radical Firearms RF-15 Socom 5.56mm AR-15 Rifle with 15-Inch MHR Free Float Rail
    $705.00 $499.99

  • DANIEL DEFENSE DDM4 V7 RATTLECAN 5.56MM NATO

    Daniel Defense DDM4 V7 Rattlecan 5.56 NATO Semi-Auto Rifle
    $2,161.00

  • RADICAL FIREARMS RF-15 SOCOM 5.56MM NATO AR-15 STYLE RIFLE

    Radical Firearms AR-15 SOCOM 5.56 NATO Rifle with MFT Furniture
    $685.00 $399.99

  • DANIEL DEFENSE DD4 M4A1 RIII 5.56 14. 5 IN BBL 32 RD MAG

    Daniel Defense M4A1 RIII 5.56mm Semi-Auto AR-15 Rifle with Fully-Ambidextrous Lower
    $1,959.99

  • GREAT LAKES FIREARMS 223/5.56MM SEMI-AUTOMATIC AR15 WITH TUNGSTEN CERAKOTE FINISH

    Great Lakes Firearms AR15 223 Wylde Semi-Automatic Rifle with Tungsten Cerakote Finish
    $529.99

  • DIAMONDBACK DB15 5.56 NATO RIFLE WITH MAGPUL STOCK AND SOUTHERN GRIND JACKAL FIXED BLADE KNI

    Diamondback DB15 5.56 NATO Rifle with Magpul Stock and Southern Grind Jackal Fixed Blade Kni
    $972.00 $699.00

  • CQT WEAPON SYSTEMS CQT15 5.56MM 16` BARREL

    Cqt Weapon Systems CQT15 5.56mm Semi-Auto Rifle with Aluminum M-Lok Handguard
    $998.99 $749.99

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

    PMC 223 Rem 55 gr FMJ BT Bronze 20/Box
    $7.99
    ($0.40 / 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
    $8.99
    ($0.45 / round)

  • Hornady 5.56 NATO 55 gr FMJ (M193) Frontier 20/Box

    Hornady 5.56 NATO 55 gr FMJ (M193) Frontier 20/Box
    $8.99
    ($0.45 / round)

  • Federal 223 Rem 62 gr FMJ Boat-Tail 20/Box

    Federal 223 Rem 62 gr FMJ Boat-Tail 20/Box
    $8.98
    ($0.45 / round)

  • Hornady 5.56 NATO 62 gr FMJ Frontier 20/Box

    Hornady 5.56 NATO 62 gr FMJ Frontier 20/Box
    $9.79
    ($0.49 / round)

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

    Hornady 5.56 NATO 75 gr BTHP Match Frontier 20/Box
    $12.99
    ($0.65 / round)

  • Hornady 5.56mm NATO 55 gr FMJ Frontier 150 Rounds in Ammo Can

    Hornady 5.56mm NATO 55 gr FMJ Frontier 150 Rounds in Ammo Can
    $69.99
    ($0.47 / round)

  • X Products M200 5.56 Blanks 50 Round

    X Products M200 5.56 Blanks 50 Round
    $39.99 $24.99
    ($0.50 / round)

  • Hornady 223 Rem 55 gr FMJ Frontier 20/Box

    Hornady 223 Rem 55 gr FMJ Frontier 20/Box
    $8.99
    ($0.45 / round)

  • PMC 5.56mm 55 gr FMJ-BT X-TAC 20/Box

    PMC 5.56mm 55 gr FMJ-BT X-TAC 20/Box
    $9.99
    ($0.50 / round)

  • Hornady 5.56 NATO 55 gr Hollow Point Match Frontier 20/Box

    Hornady 5.56 NATO 55 gr Hollow Point Match Frontier 20/Box
    $13.99
    ($0.70 / round)

  • Winchester 223 Remington 69 gr Matchking HPBT Competitive Target 20/Box

    Winchester 223 Remington 69 gr Matchking HPBT Competitive Target 20/Box
    $19.99
    ($1.00 / round)

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

    Magpul PMAG GEN M2 5.56 NATO 30 Round Black Magazine
    $12.95 $9.99

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

    Amend2 AR15/M4 Mod.2 5.56 NATO 30 Round Magazine (Black)
    $14.99 $6.97

  • ATI SCHMEISSER S60 223/5.56MM 60-ROUND AR-15 MAGAZINE WITH WINDOW (GEN2)

    American Tactical Schmeisser S60 5.56 NATO 60 Round AR-15 Magazine with Window (Gen2)
    $84.95 $24.99

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

    Magpul PMAG GEN M3 5.56 NATO 30 Round Black Magazine
    $14.95 $11.99

  • AMEND2 AR-15 5.56 NATO 30-ROUND MOD-C MAGAZINE

    Amend2 AR-15 5.56 NATO 30 Round Mod-C Magazine
    $17.99 $9.49

  • AMEND2 MOD 2 AR-15 556 10 RD BLACK MAG

    Amend2 AR15/M4 Mod.2 5.56 NATO 10 Round Magazine (Black)
    $14.99 $6.69

  • AMEND2 MOD 2 AR-15 556 30 RD FDE MAG

    Amend2 AR15/M4 Mod.2 5.56 NATO 30 Round Magazine FDE
    $14.99 $8.99

  • AMEND2 AMEND2 AR-15 5.56/223 30ROUND SPRINKLE DONUT PATTERN MOD-2

    Amend2 AR-15 5.56 NATO 30 Round Sprinkle Donut Mod.2 Magazine
    $17.99

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

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

  • DANIEL DEFENSE AR15 223 REM 32 ROUND 5.56 MAG BLACK

    Daniel Defense AR15 Magazine 223 REM 5.56 NATO 32 Round Factory Magazine Black
    $22.99

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

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

  • MAGPUL PMAG D-60 AR-15 556 NATO 60 RD DRUM

    Magpul PMAG D-60 5.56 NATO 60 Round Drum Magazine
    $129.99 $119.99

Product Description

What's in the Box

  • Windham Weaponry CDI 5.56mm Semi-Automatic AR-15 with 15-Inch M-LOK Handguard
  • (1) 30-Round Magazine
  • Hard Plastic Gun Case
  • Black Web Sling
  • Windham Weaponry Lifetime Transferrable Warranty
  • Owner's Manual

The Windham Carbine CDI is an M4-style carbine chambered for 5.56mm NATO. It is a continuation of the ever popular CDI line, featuring updated enhancements such as a 15" Windham Weaponry M-LOK Handguard and many popular Magpul accessories. Think of the CDI as the firearms equivalent of a Shelby Mustang - already factory equipped for maximum performance.

Windham Weaponry offers a Lifetime Transferable Warranty on all its rifles for any and all manufacturer’s defects in material and workmanship. Visit windhamweaponry.com for complete details.

Firearm Specifications

  • Model: R16M4SFSCT
  • Caliber: .223 Rem. / 5.56mm NATO
  • Type: Rifle
  • Action: Semi-Automatic Gas Impingement System
  • Capacity: 30 + 1- Ships with one 30 Round Magazine (accepts all std. sizes)
  • Safety: Manual Lever with Indicator Markings on Both Sides of Receiver
  • Receiver: M4A4 Type Flat Top Upper Receiver
  • Receiver Material: Forged 7075 T6 Aircraft Aluminum with Aluminum Trigger Guard
  • Receiver Finish: Hardcoat Black Anodize Finish
  • Trigger: Standard Mil-Spec Trigger
  • Bolt Material:Carpenter 158 Steel
  • Barrel: 16” M4 Profile Chrome Lined with Vortex Flash Suppressor
  • Barrel Material: 4150 Chrome Moly Vanadium 11595E Steel w. M4 Feed Ramps
  • Rifling: 1 Turn in 9” – Right Hand Twist
  • Stock: Magpul CTR Carbine Stock with Magpul ASAP QD Single Point Receiver End Plate
  • Forend: 15″ Windham Weaponry Aluminum M-LOK Free Float with Magpul M-LOK Hand Stop
  • Pistol Grip: Magpul MOE Black Pistolgrip with Storage Compartment
  • Rear Sight: Magpul MBUS Pro Metal Rear Sight
  • Front Sight: Magpul MBUS Pro Metal Front Sight
  • Packaging: Hard Plastic Gun Case with Black Web Sling & Operators Manual

Customer Comments & Questions

Customer Reviews

No reviews have been written for this product.

Write a review
Back to top