Daniel Defense DDM4 V7 .300 Blackout
Model: 02-128-04081-047
Daniel Defense DDM4 V7 .300 Blackout
Model: 02-128-04081-047
Full Specifications
Threaded 1/2x28 barrel: compare .30 caliber suppressor prices.
About This Firearm
The Daniel Defense DDM4 V7 is a semi-automatic AR-15 in .300 Blackout built for suppressed and short-range work. Daniel Defense introduced it in 2013 and no longer makes it, so it is a used buy. Its barrel is cold hammer forged chrome moly vanadium with a 1:8 twist on a carbine-length gas system.
It shipped with no sights and one Magpul 30-round PMAG. The handguard is Daniel Defense's MFR 12.0, a free-float modular tube that predates M-LOK, so M-LOK accessories do not bolt to it directly. The upper is mil-spec with indexing marks and M4 feed ramps, the buffer is an H, and the gas block is a single pinned low-profile unit that Daniel Defense drilled, taper reamed and press fit. The stock is a Magpul MOE on a mil-spec receiver extension and the safety selector is single-sided.
If you're cross-shopping, a used Ruger AR-556 in the same chambering is 6.40 lbs against this rifle's 6.9 lbs, takes M-LOK accessories directly and has a bare 5/8-24 muzzle. The Palmetto State Armory PA-15 has an MSRP of $599.99, is in production at 6.75 lbs, and comes with a PMAG and an MBUS sight set. Daniel Defense's current V7 is a 5.56 rifle, so a used example is the whole market in .300 Blackout.
Best For
Strengths & Limitations
- The bolt carrier group is mil-spec, magnetic particle tested, with a properly staked gas key.
- Daniel Defense backs the carbine against defects in original materials and workmanship and asks for the sales slip as proof of the purchase date, so a used buyer wants the paperwork with the gun.
- Daniel Defense calls the barrel profile S2W, which keeps steel under the gas block where a barrel heats most.
- The selector works from one side, so a left-handed shooter reaches across the receiver for it.
- No sights shipped with it, so a used buyer is paying for an optic on top of the rifle.
- The current 5.56 V7 shares the name and little else, with an MFR 15.0 M-LOK rail, a mid-length gas system, an ambidextrous selector and a 1/2x28 muzzle, so parts lists for the new rifle do not apply to this one.
Compatible Ammunition
Find the best prices on compatible .300 Blackout ammunition.
Shop .300 Blackout Ammo →Ballistics Calculator
Calculate trajectory, drop, and energy for .300 Blackout ammunition.
.300 Blackout Ballistics →Where to Buy
No prices available at this time.
Frequently Asked Questions
Will M-LOK accessories fit the MFR 12.0 rail?
No. It uses Daniel Defense's own slot pattern from before M-LOK, so a modern mount needs a rail section or an adapter in between.
What thread is on the muzzle?
Take the flash suppressor off and measure the thread before ordering a suppressor mount. The 1/2x28 pitch on the current 5.56 V7 does not carry over to this barrel.
Was the V7 sold with sights?
No. Daniel Defense catalogued it as the V7-300 Blackout with no sights, which is why the model name carried that note.
