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Windham CDI 5.56/.223, 16″ Barrel, CTR Stock, Vortex Flash Supppressor, Black, 30rd

The CDI rifle features a gas impingement system. It has manual safety, 7075-T6 aluminum receiver with anodized finish, 4150 chrome moly vanadium barrel with Vortex Flash Suppressor, and a 15″ M-LOK free-float with Magpul M-LOK hand stop handguard. Other features include Magpul CTR Carbine stock, MOE pistol grip with storage compartment, and MBUS Pro metal front and rear sights.

Brand Windham Weaponry

Category Tactical Rifles

Gun Platform AR-Style

Caliber 5.56x45mm NATO

Model CDI

Stock Finish Black

Action Semi-Auto

Barrel Length Range 16″ to 16.99″

Sights Magpul MBUS Pro Front & Rear

Capacity 30+1

Muzzle Vortex Flash Suppressor

Grips Black Magpul MOE

Hand Right

Handguards 15″ Free-Float

Includes Hard Plastic Case

Max Capacity 30

OAL 32.75″-36.13″

Receiver Finish Black Hard Coat Anodized

Receiver Material 7075-T6 Aluminum

Safety Manual

Stock Description Adjustable Magpul CTR

Stock Finish Group Black

Stock Material Synthetic

Trigger Mil-Spec

Twist 1:9″

Weight 6.95 lbs

Barrel Description 4150 Chrome Moly Vanadium Chrome-Lined

Barrel Finish Black

Barrel Length 16″

Estimated shipping times are posted on the product information page under the title “Ships On Or Before:” please note that all lead-times are estimates.  For items in our warehouse, we usually ship within 3 business days.  For items only available at distribution or other sources, the ship time may be up to 10 business days.  For items only available at the manufacturer, the lead-time may be a few weeks or longer– depending on availability.

Please also note that some items are unique, hard to obtain, or one-of-a-kind, so Impact reserves the right to cancel your order should an item not be available to ship.

We will not charge your credit card until your product ships, except for certain special orders.

We normally will ship FedEx and US POSTAL. If you need faster shipment, we can ship 2nd Day or Next Day for an extra charge.

Alaska and Hawaii residents – your order MUST ship 2nd day or faster. Most orders over $100 value will ship with a signature-required to ensure they make it to you. Products that have free shipping only applies to the lower 48 states.

NOTE: We make every effort to get your order shipped as fast as possible. In some circumstances, especially during sales and after weekends, we may not get your order shipped in the time specified. Please rest assured that we will ship your item as soon as we can.

We want you to be 100% satisfied with your purchase from Multi Gun Shop, therefore we offer no hassle returns.

How do I start the return process?

  • Log in to your account and locate and click on the “Request Return” link.
  • An Multi Gun Shop agent will review your request for a return and respond within two business days.
  • All returns are subject to inspection and approval prior to refund being issued.
  • All products need to be in new and original manufacturer condition.
  • As an alternate method, you can send an email to Please be sure to include your original order number and relevant contact information.

When will I get my credit or return?

  • Most returns are fully refunded in 3-5 days after we receive and process the return. It may take longer for the credit to appear in your account depending on your bank. Most items that are in stock ship within 3-5 days after receipt of your returned item but may take longer depending on availability.
  • Returns must be charged back to the original credit card used in the purchase.  If this is not possible, we will refund you via check.

What about damaged/incorrect items?

  • If you received a damaged, defective, or incorrect item, Multi Gun Shop will ship you a replacement of the exact item upon receipt of the damaged or defective item. Multi Gun Shop will send you a return shipping label for the return.

What about return shipping costs?

  • If an Multi Gun Shop error causes the need to return an item or we are replacing a returned defective or incorrect item, then we will pay the associated shipping costs.
  • Otherwise, the customer is responsible for any return shipping costs. When returning an item, please add package tracking and adequate insurance.
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