Monolithic M4 Le6943 Upper Group 11.5in With BCG And Sights
$1,184.50 at Kentucky Gun Co · 5 stores
In stock
Colt M4 to M5 Carbine 5.56x45mm NATO 14.5in M-LOK Upper Receiver Heavy Mid Length 1-7 Twist 1/2x28 A2 Flash Hider Manganese Phosphate Black
No ratings yetBest price
$1,059.00at OpticsPlanet
Out of stock Sale checked Oct 22, 2026
In stock now instead
- Monolithic M4 Le6943 Upper Group 11.5in With BCG And Sights $1,184.50at Kentucky Gun Co
- Colt EPR II Pro AR-15/M16/M4 5.56x45mm NATO 16.1in M-LOK Upper … $929.99at OpticsPlanet
- Patriot Ordnance Factory Renegade Plus 10.5" Complete Upper 5.5… $1,053.50at Kentucky Gun Co
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| OpticsPlanet | $1,059.00Salechecked Oct 22, 2026 | Out of stock | Buy at OpticsPlanet |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
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This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
Colt EPR II Pro AR-15/M16/M4 5.56x45mm NATO 16.1in M-LOK Upper Receiver Government Carbine Length 1-7 Twist 1/2x28 A2 Flash Hider Manganese Phosphate
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Patriot Ordnance Factory Renegade Plus 10.5" Complete Upper 5.56x45mm 1:8, Black
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Price history
Dashed line = out of stock. Tracking since Oct 14, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| OpticsPlanet | $1,059.00 | $1,059.00 | $1,059.00 |
Since Oct 14, 2026.
About this part
The Colt M4 to M5 Carbine 5.56x45mm NATO 14.5in M-LOK Upper Receiver Heavy Mid Length 1-7 Twist 1/2x28 A2 Flash Hider Manganese Phosphate Black is a 14.5" 5.56 / .223 upper receiver from Colt. One store lists it, OpticsPlanet at $1,059.00.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
- Gas system
- Mid-length · Handguards
- Muzzle thread
- 1/2x28 · Muzzle devices
- Barrel length
- 14.5" · Handguards
- Handguard length
- 14.5" · Barrels
Specifications
- Manufacturer
- Colt
- Color
- Black
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
Colt M4 to M5 Carbine 5.56x45mm NATO 14.5in M-LOK Upper Receiver Heavy Mid Length 1-7 Twist 1/2x28 A2 Flash Hider Manganese Phosphate Black. 56x45mm NATO 14.5in M-LOK Upper Receiver then you've come to the ideal location.. Formulated using several of the most extremely durable and long lasting substances around these AR15 Upper Receivers from Colt will present you with a product that gives you a great deal of reliability. Colt has been generating superior quality products for a number of years and the Colt M4 to M5 Carbine 5.56x45mm NATO 14.5in M-LOK Upper Receiver is their particular approach to demonstrating exactly how much they are concerned. At OpticsPlanet we ensure that it is our obligation to receive the best solution for your specifications and exhibiting the Colt M4 to M5 Carbine 5.56x45mm NATO 14.5in M-LOK Upper Receiver is a thing that we are happy to offer. Specifications for Colt M4 to M5 Carbine 5.56x45mm NATO 14.5in M-LOK Upper Receiver: Manufacturer: Colt Caliber: 5.56x45mm NATO Barrel Length: 14.5 in Barrel Profile: Heavy Gas System Length: Carbine Length Barrel Twist Rate: 1-7 Firearms Threads Per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: A2 Flash Hider Finish: Manganese Phosphate Color: Black Gun Model: M4 M16 AR-15 Fabric/Material: Aluminum Handguard Style: M-LOK w/ Top Picatinny Rail System Gun Rail: M-LOK Picatinny Gun Type: Rifle Gun Make: Colt AR Platform Bolt Carrier Group Included: MIL-SPEC Features of Colt M4 to M5 Carbine Upper Reciever Kit: Package Contents: Colt M4 to M5 Carbine 5.56x45mm NATO 14.5in M-LOK Upper Receiver What firearm models does the manufacturer say Colt M4 to M5 Carbine 5.56x45mm NATO 14.5in M-LOK Upper Receiver is compatible with? The manufacturer suggests that Colt M4 to M5 Carbine 5.56x45mm NATO 14.5in M-LOK Upper Receiver is compatible with AR-15 M4 M16Colt CM556-14H-CK: M4 to M5 Carbine 5.56x45mm NATO 14.5in M-LOK Upper Receiver Heavy Mid Length 1-7 Twist 1/2x28 A2 Flash Hider Manganese Phosphate Black
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