Shipping Information:
We are experiencing a large increase in orders. Non-firearm orders are estimated to ship within 7 business days after the order is placed. Firearm orders will require more time. We apologize for any inconvenience. We are working to process and ship each order as quickly as possible.

If you would like to request a cancellation of your order, you may do so by visiting your Order History page, and selecting the order you would like to cancel. Due to the high demand and limited supply of certain items, we have temporarily suspended dealer sales in order to service as many of our own customers as possible.

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

  • Item Number: R16M4SFSCT
  • /
  • View More Items by Windham
  • /
  • Condition: NEW
In Stock and Ready to Ship
    $1,896.00
    $1,559.99
  • Includes free shipping
Share this
  • SMITH AND WESSON MP15 SPORT II 5.56 RIFLE

    Smith & Wesson MP15 Sport II 5.56mm Rifle with Dust Cover and Forward Assist
    $999.99

  • SMITH AND WESSON MP15 SPORT II 5.56 FDE RIFLE

    Smith & Wesson MP15 Sport II 5.56mm Flat Dark Earth (FDE) Rifle
    $999.99

  • SPRINGFIELD SAINT VICTOR 5.56MM 16` RIFLE BLACK

    Springfield SAINT Victor 5.56mm Semi-Automatic Rifle
    $1,219.99

  • ADAMS ARMS WITCH DOCTOR AR-15 5.56 16` BARREL FREEFLOAT FOREND

    Adams Arms VooDoo Innovations Witch Doctor 5.56mm AR-15
    $899.99

  • SMITH AND WESSON MP-15 SPORT II 5.56 OPTICS READY

    Smith & Wesson MP15 Sport II 5.56mm Optics Ready Rifle
    $999.99

  • SMITH AND WESSON MP15 SPORT II OR 5.56 W/ CRIMSON TRACE OPTIC

    Smith & Wesson MP15 Sport II OR 5.56mm Semi-Auto Rifle with Crimson Trace Red/Green Dot Optic
    $999.99

  • COLT M4 CARBINE 5.56MM SEMI-AUTOMATIC RIFLE

    Colt M4 Carbine 5.56x45 NATO CR6920 Series
    $1,999.99

  • COLT CARBINE 5.56X45MM RIFLE WITH A2 GRIP

    Colt M4 Carbine 5.56x45 NATO CR6920 Series with Magpul Furniture
    $1,999.99

  • SMITH AND WESSON MP15 SPORT II 5.56MM OR WITH M-LOK

    Smith & Wesson MP15 Sport II 5.56mm Optics Ready Semi-Auto Rifle with M-LOK Handguard
    $999.99

  • BLACK RAIN ORDNANCE FALLOUT 15 5.56 TACTICAL PISTOL WITH SBA3 PISTOL BRACE

    Black Rain Ordnance Fallout 15 5.56mm Tactical Pistol with SBA3 Pistol Brace
    $1,899.99

  • WINDHAM WEAPONRY WW-15 223/5.56 GOVERNMENT RIFLE

    Windham WW-15 Government 5.56mm M4A4 Rifle with Detachable Carry Handle and 20-in Barrel
    $1,119.99

  • WINDHAM WEAPONRY WW-15 MPC 5.56 M4A4 RIFLE

    Windham WW-15 MPC 5.56mm M4A4 Rifle with Detachable Carry Handle
    $1,086.00 $999.99

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

    Hornady 5.56 NATO 75 gr BTHP Match Frontier 20/Box
    $27.99
    ($1.40 / round)

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

    Hornady 5.56 NATO 55 gr FMJ (M193) Frontier 20/Box
    $24.99
    ($1.25 / round)

  • Hornady 5.56 NATO 62 gr FMJ Frontier 20/Box

    Hornady 5.56 NATO 62 gr FMJ Frontier 20/Box
    $24.99
    ($1.25 / round)

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

    PMC 5.56mm 55 gr FMJ-BT X-TAC 20/Box
    $24.99
    ($1.25 / round)

  • Winchester 5.56mm NATO 62 gr FMJ Green Tip M855 Penetrator 150 Round Value Pack

    Winchester 5.56mm NATO 62 gr FMJ Green Tip M855 Penetrator 150 Round Value Pack
    $189.99
    ($1.27 / round)

  • Tula Ammo 223 Rem 55 gr FMJ Steel Case 20/Box

    Tula Ammo 223 Rem 55 gr FMJ Steel Case 20/Box
    $22.99
    ($1.15 / round)

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

    PMC 223 Rem 55 gr FMJ BT Bronze 20/Box
    $24.99
    ($1.25 / round)

  • Winchester 223 Rem 55 gr FMJ USA Lake City Ammunition 150/Box

    Winchester 223 Rem 55 gr FMJ USA Lake City Ammunition 150/Box
    $189.99
    ($1.27 / round)

  • Hornady 5.56mm NATO 55 gr FMJ Frontier 150/Box (Oriented)

    Hornady 5.56mm NATO 55 gr FMJ Frontier 150/Box (Oriented)
    $189.99
    ($1.27 / round)

  • Sellier And Bellot 5.56mm 55 gr FMJ Tactical Ammo 20/Box

    Sellier And Bellot 5.56mm 55 gr FMJ Tactical Ammo 20/Box
    $24.99
    ($1.25 / round)

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

    Magpul PMAG GEN M2 5.56mm 30-Round Black Magazine
    $16.99

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

    Troy 5.56mm 30-Round Battlemag for AR-15 Rifles
    $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
    $19.99

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

    Magpul PMAG GEN M3 5.56mm 30-Round Black Magazine
    $15.99

  • MAGPUL PMAG 30RD 5.56MM MAGAZINE GEN M2 (BULK)

    Magpul PMAG GEN M2 5.56mm 30-Round Black Magazine (Bulk Packaging)
    $16.99

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

    Magpul PMAG GEN M3 5.56mm 20-Round Black Magazine
    $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
    $19.99

  • 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 WINDOW MAG (TAN)

    Magpul PMAG 30AR/M4 Gen M3 5.56mm 30 Round Coyote Tan
    $23.99

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

    Magpul PMAG D-60 5.56x45 NATO 60-Round Drum Magazine
    $139.99

  • BLACK RAIN ORDNANCE AR15 30 ROUND TRUMP 2020 MAGAZINE

    Black Rain Ordnance 5.56mm 30-Round AR-15 Magazine (Trump 2020 Edition)
    $29.99

  • BLACK RAIN ORDNANCE AR15 30 ROUND TRUMP TRAIN MAGAZINE

    Black Rain Ordnance 5.56mm 30-Round AR-15 Magazine (Trump Train Edition)
    $29.99

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