No ratings yet
Be the first to review this product
Daniel Defense MK18 5.56 Upper Receiver Group Complete. Upper receiver group designed for AR-15 pattern builds. Features M4-type feed ramps and a flat-top 1913 Picatinny rail. Compatible with mil-spec parts and most aftermarket handguards and rail systems.
Sponsored
Cash for Arms
Fund your next build
Sell a firearm you no longer need and put that money toward something you'll actually shoot.
Get an OfferHave one to sell?
Current
$209.99
Lowest
$209.99
Highest
$209.99
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertGuide
A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read
Guide
A neutral guide to component strategies for left-handed shooters, left-eye dominant right-handed shooters, and those managing eye/hand dominance mismatches. Covers ambi uppers, charging handles, gas system tuning, and real-world tradeoffs.
6 min read