In Stock
M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6943 Upper Group 11.5in With Bcg And Sights
Sold byBrownells•Posted Apr 28, 2026
Compare prices for Colt Monolithic AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel$1,059.00
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Deal Summary
- Currently in stock.
- Caliber: 223/5.56
- Category: parts
- UPC: 098289035356
- SKU: 160000501
- Brand: Colt
Price History
Deal Details
The LE6940 and LE6945 Upper Receiver Groups offer and upgrade over the traditional M4 setup. The LE6940 features Colt's monolithic upper receiver, which provides a one piece Picatinny top rail and rigid mounting surfaces all around, in addition to a completely free floated barrel. Built-in flip-up front sight is compatible with most standard height rear sights. Available with 16" or 10.3" chrome lined, 1-7 twist, button rifled barrel. Available with or without a charging handle, bolt carrier
Other Offers for This Product
Active offers from your catalog for Colt Monolithic AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel.
Comparing 5 retailers carrying this product
Lowest Price: $959.99
Highest Price: $1,291.99
You Save: $332.00
Avg Discount: 7% off
Colt Upper 223/556NATO 11.5 Inch Lightweight Barrel w/Integrated Rail
Colt FirearmsGrabAGunSKU/UPC: GAG_RES-CTLE6943CK
$959.99$1,329.00Save 28%
View at GrabAGun
Colt's Manufacturing Complete Upper, 223 Rem/556NATO, 11.5 in Lightweight Barrel, Black Finish, Fits AR Rifles, Folding Front Sight, Magpul Rear Back Up Iron Sights, Integrated Rail LE6943CK
ColtHinterland OutfittersSKU/UPC: 204812
$972.62
View at Hinterland OutfittersM4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6943 Upper Group 11.5in With Bcg And Sights
ColtBrownellsSKU/UPC: 160000501
$1,059.00
View at Brownells
Colt AR Rifles 223 Rem/556NATO 11.5 Inch Lightweight Barrel Folding Front Sight Upper Black
ColtOptics PlanetSKU/UPC: 14J-URC-RS422-CTLE6943CK
$1,259.00$1,369.00Save 8%
View at Optics Planet
Colt Monolithic AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel
ColtMidwayUSASKU/UPC: 147213
$1,291.99
View at MidwayUSA