MK18 5.56 Upper Receiver Group Complete - MK18 10.3'''' Upper Receiver 5.56 1-7 Govt Black
All Daniel Defense upper receivers2 options
- Black, this page
- FDEfrom $1,454, in stock
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Daniel Defense
Overview
The Daniel Defense Mk18 5.56 Upper Receiver Group is a complete assembly designed for the AR-15 platform, featuring a 10.3-inch barrel optimized for 5.56 NATO ammunition. With a twist rate of 1:7, this upper receiver effectively stabilizes a range of bullet weights, making it versatile for various shooting applications. This upper is commonly utilized in builds focused on the 5.56 NATO caliber, ideal for both tactical and competitive use.
Specifications
MK18 5.56 Upper Receiver Group Complete - MK18 10.3'''' Upper Receiver 5.56 1-7 Govt Black
2 options
- Black, this page
- FDEfrom $1,454, in stock
Available Merchants(7)
Prices checked
Price Alert
September 2026 on GunPartPicker
Daniel Defense MK18 5.56 Upper Receiver Group Complete - MK18 10.3'''' Upper Receiver 5.56 1-7 Govt Black ranked #117 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #99 of the 1,682 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO and nearly all AR-15.
It was in stock most days in September 2026, but today 2 of the 7 retailers we track have it in stock. It dipped to $1,299.99 at Sportsmans Outdoor Superstore for a stretch in September 2026, well under its usual $1,454, so sales do come around. Buying today, the lowest price is $1,527 at Brownells, above September's low of $1,299.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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