Monolithic M4 Le6943 Upper Group 11.5in With BCG And Sights
$1,184.50 at Kentucky Gun Co · 5 stores
In stock
Best price
$679.99at Brownells
Out of stock checked Oct 23, 2026
In stock now instead
- Monolithic M4 Le6943 Upper Group 11.5in With BCG And Sights $1,184.50at Kentucky Gun Co
- Monolithic M4 Le6945 Upper Group 10.3in With BCG And Sights $1,269.00at OpticsPlanet
- Rock River Arms Completed Upper Receiver FESP .223 Wylde 16 Inc… $679.25at MidwayUSA
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells Best price | $679.99checked Oct 23, 2026 | Out of stock | Buy at Brownells | |
| MidwayUSA | $781.99checked Oct 23, 2026 | Out of stock | Buy at MidwayUSA |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Similar upper receivers in stock
This part is out of stock at every store we track. These similar upper receivers are in stock, with today's prices.
Monolithic M4 Le6945 Upper Group 10.3in With BCG And Sights
$1,269.00 at OpticsPlanet · 4 stores
In stock Sale
Rock River Arms Completed Upper Receiver FESP .223 Wylde 16 Inch Barrel Mid Lenght Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard Brake Black
$679.25 at MidwayUSA · 2 stores
In stock Sale
Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black
$649.99 at MidwayUSA · 2 stores
In stock
Retro Brn-601 5.56mm 20" Bbl Upper Receiver
$719.99 at Brownells
In stock Sale
Spikes Tactical .223 Rem/5.56 16" Barrel Complete Upper Assembly, Mil-Spec Phosphate Coated, 9" Black Free Float BAR2 Rail
$743.40 at Kentucky Gun Co · 4 stores
In stock
Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $679.99 | $679.99 | $679.99 |
| MidwayUSA | $781.99 | $781.99 | $781.99 |
Since Sep 28, 2026.
About this part
The R0901 M16 Upper Group 20in MOE With BCG & Charging Handle is an AR-15 complete upper receiver from Colt. It's sold by 2 stores, from $679.99 to $781.99.
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
- 2E+1" · Handguards
Specifications
- Manufacturer
- Colt
- Type
- Complete
- Platform
- AR-15
- Caliber
- 5.56 mm NATO
From the manufacturer
M16 Upper Receiver Groups now available from Colt! These 20" Upper Receiver Groups feature the same barrel used on M16A2 and M16A4 rifles, which has a Government profile and feature a chrome lined bore and chamber, along with a 1-7 twist. Colt has paired two of these models with Magpul MOE handguards to make them fully modular. Additonally these are available with or without a charging handle and bolt carrier group. Mfg: Colt
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