Colt
M4 CARB 5.56MM 16" QUAD RAIL
Product Details
M4 CARB 5.56MM 16" QUAD RAIL. Caliber/Gauge: 223 Rem | 5.56 NATO Model: Monolithic Carbine Action: Semi-Auto Barrel Length: 16.1" Capacity: 20 + 1 Finish: Matte Black Sights: MAGPUL MBUS Weight: 5.95 lbs. Rate of Twist: 1-in-7 Features: - Quad Rail - M4 Chromed Lined Barrel
Specifications
| Brand | Colt |
|---|---|
| UPC | 098289019349 |
| Caliber | 5.56 NATO / .223 |
| Action | Semi-Auto |
| Color / Finish | Black |
| Finish Type | Matte |
| Barrel Length | 16.1" |
| Capacity | 20 rounds |
| Condition | New |
Buying this item
- Can I buy the M4 CARB 5.56MM 16" QUAD RAIL online and have it shipped to me?
- Firearms cannot ship to your home. Buy it here and pick it up at Iron Valor Armory in Rocky Mount, NC after a NICS background check, or have it shipped to a licensed FFL dealer near you for their transfer fee.
- How old do I have to be to buy the M4 CARB 5.56MM 16" QUAD RAIL?
- You must be 18 or older with valid government ID for rifles and shotguns (21+ for handguns).
- Is the M4 CARB 5.56MM 16" QUAD RAIL in stock?
- Yes — live distributor inventory shows it in stock and it ships or is ready for pickup within 1–3 business days.
- What is the return policy?
- Non-firearm items may be returned within 30 days (a restocking fee of up to 15% applies if the packaging was opened). Firearms and ammunition are final sale once transferred, per federal law.
All firearm sales require background checks and compliance with federal, state, and local laws. You must be 21+ for handguns/stripped receivers and 18+ for long guns.
Frequently bought together
Complete the setup
Ammo, magazines and optics matched to M4 CARB 5.56MM 16" QUAD RAIL. Everything here ships to your door or is ready at pickup.
Adds the first item in each column · you can adjust in the cart
5.56 NATO / .223 ammunition
Same caliber as this firearm.
Optics for this rifle
We mount and bore-sight for pickup.
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