M4 Le6921 Upper Group 14.5in With BCG And Sights

Name: M4 Le6921 Upper Group 14.5in With BCG And Sights
Brand: Colt
Availability: InStock

Colt · Upper Receiver

No ratings yet

M4 Le6921 Upper Group 14.5in With BCG And Sights

Best price

$719.90at Kentucky Gun Co

In stock Lowest in 30 dayschecked Nov 13, 2026

Buy at Kentucky Gun Co

Compare 7 stores

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length: 14.5" · Handguards

Specifications

Manufacturer: Colt
Color: Black
Platform: AR-15
Caliber: 5.56 mm NATO

Where to buy

Store	Price	Availability	Buy
Kentucky Gun Co Best price	$719.90checked Nov 13, 2026	In stock	Buy at Kentucky Gun Co
MidwayUSA	$810.99checked Nov 13, 2026	In stock	Buy at MidwayUSA
GrabAGun	$699.99Salechecked Nov 13, 2026	Check store	Buy at GrabAGun
AR15Discounts 5% off	$886.46checked Nov 13, 2026	Check store	Buy at AR15Discounts
Dirty Bird	$886.46checked Nov 13, 2026	Check store	Buy at Dirty Bird
OpticsPlanet	$775.99Salechecked Nov 13, 2026	Out of stock	Buy at OpticsPlanet
Brownells 17.76% off · ends Nov 15 · exclusions apply	$853.85checked Nov 13, 2026	Out of stock	Buy at Brownells

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

Show

Lowest in-stock price in the last 30 days: $719.90 at Kentucky Gun Co. Dashed line = out of stock. Tracking since Sep 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
AR15Discounts	$886.46	$886.46	$886.46
Brownells	$853.85	$853.85	$853.85
Dirty Bird	$886.46	$886.46	$886.46
GrabAGun	$699.99	$699.99	$699.99
Kentucky Gun Co	$719.90	$719.90	$724.99
MidwayUSA	$810.99	$799.99	$810.99
OpticsPlanet	$775.99	$775.99	$775.99

Since Sep 28, 2026.

About this part

The M4 Le6921 Upper Group 14.5in With BCG And Sights is a 14.5" 5.56 / .223 upper receiver from Colt. It's sold by 7 stores (2 in stock), from $699.99 to $886.46. The lowest in-stock price in the last 30 days was $719.90 at Kentucky Gun Co.

From the manufacturer

Add the Colt legend of reliability to your rifle or build with these complete feature 1/7 RH twist in a chrome lined, button rifled barrel. Available with or without a charging handle, bolt carrier group, and back up sights. All NFA rules apply. NOTE: "Stripped" does NOT include bolt carrier group (BCG), charging handle, or rear backup sight Mfg: Colt