- Runs great with PMAGs
- Handles really well in CQB environments
- Very accurate
- DD mags have to be downloaded to run properly
- Mags don't seat well if you slam them in magwell
Daniel Defense’s Mk18 runs extremely well. It’s a blast to shoot and handled well in CQB-type training scenarios. We’ve put well over 1,000 rounds through our model, and it’s still running like it did day one. We did have a little trouble with DD proprietary mags — but that was managed by removing a couple of rounds and gently seating it into the magwell. PMAGs run great, though!
The Mk18 is a fun pistol or SBR option (depending on what you prefer). Chambered in 5.56 NATO, it offers a 10.3-inch barrel on a 28.6-inch overall length. Pistol versions sport an SB-Tactical pistol stabilizing brace (keep an eye out, though, as laws may be changing there).
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By The Numbers - Daniel Defense MK18
Hands-On Reviews & Related Post
Daniel Defense MK18 Variations & Comparables
“Daniel Defense delivers a reliable, accurate AR-15 in the DDM4 V7 with enough extras to keep 5.56 fans interested. Though the pistol grip’s ergonomics are less than ideal, this rifle more than makes up for that with QD mounts, a threaded barrel, and an improved muzzle brake.” – John C.
“The DDM4ISR is a .300 BLK integrally suppressed rifle from Daniel Defense. It sports a 9 inch cold-hammer-forged barrel with an overall length of 16-inches. This gun features a Keymod handguard and handles just about as smoothly in a shoot house as it does out on the range. We had no problems whatsoever during our testing. This rifle loaded, fired, and ejected perfectly. The grip angle may feel odd to some, but overall it’s great once you get used to it.” – John C.
“If you want a Daniel Defense bolt rifle then we recommend the Delta 5 Pro. It’s a great rifle and it looks good to boot. It produced sub-half MOA with 3-round groups and solidly under MOA with 5-shot groups. We consider that a win. While not the elitist PRS shooter, it’s a great out of the box solution.” — David Lane
“In the market for an AR-15 that runs exceedingly well? Or do you like that distinctive MK18 silhouette? Then the Daniel Defense MK18 is a fantastic option.” — John C.
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