
In Stock
M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6945 Upper Group 10.3in With Bcg And Sights
Sold byBrownells•Posted Apr 28, 2026
Compare prices for Colt Monolithic AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.3" Barrel$1,059.00
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Deal Summary
- Currently in stock.
- Caliber: 223/5.56
- Category: parts
- UPC: 098289035363
- SKU: 160710154
- 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 10.3" Barrel.
Comparing 3 retailers carrying this product
Lowest Price: $1,059.00
Highest Price: $1,291.99
You Save: $232.99
Avg Discount: 2% off

M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6945 Upper Group 10.3in With Bcg And Sights
ColtBrownellsSKU/UPC: 160710154
$1,059.00
View at Brownells
Colt 5.56 Nato 10.3in Upper Reciever Kit Black 1214736
ColtOptics PlanetSKU/UPC: 14J-UFH-1214736-LE6945CK
$1,269.00$1,369.00Save 7%
View at Optics Planet
Colt Monolithic AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.3" Barrel
ColtMidwayUSASKU/UPC: 761891
$1,291.99
View at MidwayUSA