Daniel Defense DDM4 V7 Pro Rifle, 5.56 NATO, 18″ Barrel, Cobalt

Product Description

The Daniel Defense DDM4 V7 Pro Rifle in Cobalt is a semi-automatic 5.56 NATO rifle built on an 18" S2W heavy profile cold hammer forged barrel with a rifle-length gas system and a low profile gas block, a Geissele Automatics Super Dynamic 3-Gun trigger, a Daniel Defense Muzzle Climb Mitigator and an MFR 15.0 M-LOK rail.

This is the standard-configuration V7 Pro — not a compliance build — and it is the rifle Daniel Defense aims at multi-gun competitors. Three things make it what it is. The 18" S2W heavy barrel adds velocity and thermal mass over a carbine. The rifle-length gas system, which only a barrel this long can accommodate, gives the longest dwell and lowest port pressure in the AR-15 and therefore the flattest impulse. And the Muzzle Climb Mitigator vents gas through calibrated ports to fight muzzle rise directly.

The Geissele Super Dynamic 3-Gun trigger is the fourth piece, and the one shooters notice first: a light, short pull with a fast reset, fitted at the factory instead of bought as an upgrade. Together with a flared magazine well, an ambidextrous safety selector and a free-floating 15-inch M-LOK rail with a continuous top Picatinny rail, the result is a 7.40 lb rifle that rewards a shooter running it hard. Cobalt is the finish that distinguishes this SKU.

Key Facts

• Brand / Model: Daniel Defense DDM4 V7 Pro
• Manufacturer Part Number: 02-128-10739-047 | UPC: 818773023221
• Finish: Cobalt | Legal category: Rifle
• Action: Semi-automatic | Caliber: 5.56mm NATO
• Barrel: 18", S2W (strength-to-weight) heavy profile, 1:7 twist, cold hammer forged
• Barrel material / finish: Chrome Moly Vanadium steel; chrome lined, Mil-Spec heavy phosphate coated, HP/MPI tested
• Gas system: Rifle length, direct impingement, low profile gas block
• Muzzle device: Daniel Defense Muzzle Climb Mitigator, Gen II, 17-4 PH stainless steel, salt bath nitride
• Muzzle thread: 1/2 x 28 TPI
• Trigger: Geissele Automatics Super Dynamic 3-Gun
• Rail: Daniel Defense MFR 15.0, M-LOK, 6061-T6 aluminium, Type III hard coat anodized
• Receivers: CNC machined 7075-T6 aluminium, Type III hard coat anodized
• Bolt carrier group: M16 profile, Mil-Spec MP tested, chrome lined, staked gas key
• Magazine: DD Magazine
• Weight: 7.40 lbs
• Overall length: 34 3/4" – 37 7/8" (with muzzle device)
• Other: Flared magazine well, ambidextrous safety selector, free float rail, QD points, upgraded trigger, ergonomic pistol grip

Who should buy an 18-inch 5.56

Anyone whose shooting is mostly measured in hits at distance rather than speed indoors. The 18" barrel is the sweet spot for 5.56 velocity without becoming unwieldy, the heavy profile resists heat-related wander, and the rifle-length gas makes fast strings easier to call. Where it loses is weight and handling in confined spaces — a 16" V7 is a pound lighter and quicker to swing. If you want the same rifle in a state-compliant configuration, Daniel Defense also builds a California Compliant V7 Pro.

Setting one up

An 18-inch rifle with a 15-inch rail deserves glass that can use it. Look at our optics and scope mounts, and see the wider Daniel Defense DDM4 rifle range if you want to compare with the V7 and the MK12.

Ordering from Western Sport in Roanoke, TX

Western Sport is a Daniel Defense master dealer in Roanoke, Texas, licensed as an FFL and SOT since 2007, with a gunsmith on site. This rifle is serialized and must be transferred through a licensed FFL — ours, or one closer to you. Call 817-393-4000 and we will walk you through the process.

Frequently Asked Questions

Q: What is the S2W barrel profile?

A: S2W is Daniel Defense’s strength-to-weight heavy barrel contour. It keeps more steel where stiffness and heat capacity matter while trimming it where they do not, so you get most of a heavy barrel’s stability without a full bull-barrel weight penalty. On this rifle it is an 18-inch cold hammer forged S2W barrel.

Q: Is this the California Compliant V7 Pro?

A: No. This SKU is the standard configuration, built with a DD Magazine rather than a compliance magazine. Daniel Defense catalogues a separate California Compliant V7 Pro for that market. If you need a compliant SKU, call 817-393-4000 and we will point you at the right part number.

Q: Why does the trigger matter so much on a multi-gun rifle?

A: Because the trigger is where speed and accuracy meet. The Geissele Super Dynamic 3-Gun fitted here has a light, short pull and a quick reset, which shortens the time between a called shot and the next one. Fitted from the factory, it removes the most common first upgrade.

Q: How does this rifle compare with the 16-inch V7?

A: It is about a pound heavier at 7.40 lbs, longer at 34 3/4 to 37 7/8 inches, flatter shooting thanks to rifle-length gas, and better at holding zero when hot. The V7 is handier and lighter. Choose by whether you carry the rifle more than you shoot it from support.

Q: What does the low profile gas block allow here?

A: It sits entirely under the free-floating MFR 15.0 handguard, so the rail runs uninterrupted and the top Picatinny surface is continuous from the receiver forward. That gives maximum sight radius for iron sights and a clean run for night vision mounted in line with a day optic.

Q: How do I buy this rifle?

A: Call 817-393-4000. As a serialized firearm it must be transferred through a licensed FFL; Western Sport in Roanoke, Texas holds both an FFL and an SOT and can complete the transfer at our counter or ship to a dealer near you.

Additional information