In Stock
Daniel Defense MK18 RIII AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.3" Barrel Black
Sold byMidwayUSA•Posted Apr 27, 2026
Compare prices for Daniel Defense MK18 RIII AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.3" Barrel Black$1,412.00
Price and stock data refresh continuously from MidwayUSA.
Deal Summary
- Currently in stock.
- Caliber: 223/5.56
- Category: parts
- UPC: 818773023351
- SKU: 724083
- Brand: Daniel Defense
Price History
Deal Details
The Daniel Defense AR-15 MK18 RIII Pistol Upper Receiver Assembly is unmatched in size, weight, and performance, and features the Daniel Defense RIS III rail. The lightweight RIS III rail-modeled after the revolutionary RIS II two-piece handguard developed for SOCOM-features M-LOK attachment for lighter weight. The 10.3 inch Cold Hammer Forged barrel is the same length in use for the MK18 upper most commonly used for CQB operations. Its independently ambi GRIP-N-RIP Charging Handle accommodates
Other Offers for This Product
Active offers from your catalog for Daniel Defense MK18 RIII AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.3" Barrel Black.
Comparing 4 retailers carrying this product
Lowest Price: $1,412.00
Highest Price: $1,454.00
You Save: $42.00
Avg Discount: 3% off
Daniel Defense MK18 RIII AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 10.3" Barrel Black
Daniel DefenseMidwayUSASKU/UPC: 724083
$1,412.00
View at MidwayUSA
Daniel Defense MK18 RIII URG Upper 5.56 10.3 Barrel
Daniel DefenseGrabAGunSKU/UPC: GAG_LS-23-004-81721-006
$1,412.00$1,517.00Save 7%
View at GrabAGun
Daniel Defense Upper Receiver with Flash Hider Assembly MK18 RIII URG 5.56x45mm NATO 19.3 inch 10.3 inch Barrel Government Profile Carbine Length 1-7
Daniel DefenseOptics PlanetSKU/UPC: DDD-UFH-M18R3U10-23-004-81721-006
$1,454.00$1,563.00Save 7%
View at Optics Planet
DANIEL DEFENSE MK18 RIII URG 223/5.56 10.3" Government Matte Blk
Daniel DefenseKYGUNCOSKU/UPC: DNL-23-004-81721-006
$1,454.00
View at KYGUNCO