Colt M4 Monolithic Carbine Rifle 5.56mm 30rd Magazine 16.1″ Barrel Matte Black Collapsible Stock
$1,389.56
The Colt M4 Monolithic Carbine Rifle is a versatile 5.56mm semi-automatic rifle featuring a patented one-piece monolithic upper receiver with a continuous Mil-Spec rail for modular accessory mounting. It comes equipped with a 16.1″ barrel, a collapsible stock, and includes a 30-round magazine for enhanced firepower and adaptability in various shooting scenarios.
7 in stock
The LE6940 displays fresh ingenuity with Mil-Spec hammer and trigger pivot pins a Magpul MBUS iron sight and a folding front sight for enhanced optical solutions a straight gas tube and a removable lower rail which provides modularity for under mounting accessories. The patented one-piece monolithic upper receiver incorporates a continuous Mil-Spec rail from the rear of the upper receiver to the front sight. This feature affords unmatched repeatability for mounting optical systems not found with separate handguard rail systems. Designed with accuracy in mind its true free-floating barrel provides the enhanced accuracy necessary for long-range acquisition capability.
- Action: Gas Operated Semi-Auto
- Caliber: 223 Remington/5.56 NATO
- Barrel Length: 16.1"
- Capacity: 30 + 1
- Trigger: Standard
- Safety: Reversible Safety Selector
- OAL: 35.5"
- Weight: 6.79 lbs
- Stock: M4 Buttstock
- Metal Finish: Black
- Muzzle: A2 Flash Hider
- Sights: Magpul Rear Folding Front
- Barrel Description: Government Profile
- Twist: 1:7"
- Purpose: Personal Defense/Sport
- Finish: Matte Black
- Overall Length: 32 to 35
- Features: Front Barrel Lug/ Ejection Port Cover
| Weight | 9.900 lbs |
|---|---|
| Dimensions | 40.650 × 8.750 × 3.000 in |
| Manufacturer | Colt Manufacturing |
| Caliber | 5.56mm |
| Barrel Length | 16.1 |
| Capacity | 30 |
| Action | Semi-automatic |
| Finish | Matte Black |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

Reviews
Clear filtersThere are no reviews yet.