Daniel Defense DD4 MK18 RIII Pistol, 5.56 NATO, 10.3″ Barrel, FDE, No Magazine

Product Description

The Daniel Defense DD4 MK18 RIII Pistol, No Magazine is a semi-automatic 5.56 NATO pistol as configured by Daniel Defense — 10.3" Government profile barrel, 1:7 twist, carbine-length gas system, RIS III 9.5 M-LOK rail in FDE, SB Tactical SBA3 brace, Daniel Defense flash hider — built as the SKU Daniel Defense ships without a magazine.

That is the distinguishing fact about this part number, and it exists for a practical reason: magazine capacity is regulated differently from state to state, and a firearm packed with a standard-capacity magazine cannot lawfully be shipped into every jurisdiction. Daniel Defense builds no-magazine SKUs so the firearm itself can reach the customer, who then sources magazines that comply where they live. The pistol is otherwise identical to the standard part number.

Daniel Defense builds and sells this firearm as a pistol, and that is the category in which it transfers — there is no NFA paperwork and no tax stamp. We describe it exactly as the manufacturer configures it: we do not offer legal advice about braces, and we do not advise on reconfiguring it. What it is, mechanically, is the MK18 pattern in the RIII generation: a 10.3" Government profile barrel on carbine gas, a 9.5-inch RIS III M-LOK rail in FDE, and ambidextrous lower controls with an ambidextrous GRIP-N-RIP charging handle.

Key Facts

• Brand / Model: Daniel Defense DD4 MK18 RIII Pistol
• Manufacturer Part Number: 02-191-13295-067 | UPC: 818773025065
• Configuration: No magazine — Daniel Defense ships this SKU without one
• Legal category: Pistol, as configured by Daniel Defense
• Action: Semi-automatic | Caliber: 5.56mm NATO
• Barrel: 10.3", Government profile, 1:7 twist
• Gas system: Carbine length | Muzzle device: Daniel Defense flash hider
• Rail: Daniel Defense RIS III 9.5, M-LOK attachment, FDE
• Brace: SB Tactical SBA3
• Controls: RIII ambidextrous lower controls; ambidextrous GRIP-N-RIP charging handle
• Brand build standard — barrel: Cold hammer forged Chrome Moly Vanadium steel, chrome lined, Mil-Spec heavy phosphate coated, HP/MPI tested
• Brand build standard — receivers: CNC machined 7075-T6 aluminium, Type III hard coat anodized
• Brand build standard — bolt carrier group: M16 profile, Mil-Spec MP tested, chrome lined, staked gas key
• Weight, overall length, muzzle thread: Send us a message to confirm for this part number

Magazines and your own state’s rules

Buy magazines separately, and confirm what is lawful where you live before you order. Capacity limits, and in some places magazine design requirements, vary by state and sometimes by city, and they are revised from time to time. Western Sport cannot advise you on another state’s law and will not try. Mechanically this pistol feeds from standard AR-15 pattern magazines; send us a message and we will tell you what we are permitted to ship to your address. Browse magazines and sights, lasers and lights.

Same firearm, different pack-out

If your state has no capacity restriction, the standard part number is the simpler purchase. If it does, this is the SKU that can reach you. Either way the pistol is the same: same barrel, same rail, same brace, same muzzle device. Compare across our Daniel Defense pistols.

Ordering from Western Sport

Order online and we ship it to the licensed FFL dealer you choose near you — see how buying a gun online works. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

Frequently Asked Questions

Q: Why does this Daniel Defense pistol ship without a magazine?

A: Because magazine capacity is regulated differently from state to state, and a firearm packed with a standard-capacity magazine cannot lawfully be shipped into every jurisdiction. Daniel Defense builds a no-magazine part number so the pistol itself can reach buyers in restricted states.

Q: Is the pistol different from the standard SKU?

A: No. The barrel, profile, twist, gas system, rail, brace and muzzle device are identical. The only difference is that this SKU leaves the factory without a magazine in the case. Nothing about the firearm’s configuration or performance is changed.

Q: Is this an NFA short-barrelled rifle?

A: No. Daniel Defense builds and sells it as a pistol, and it transfers in that category through an FFL with no tax stamp involved. Daniel Defense builds MK18-pattern short-barrelled rifles as separate NFA-regulated products. We describe this firearm only as the manufacturer configured it.

Q: What magazines will it accept?

A: Standard AR-15 pattern magazines. What you may lawfully buy and own depends on current rules in your own state and sometimes your city, which change over time. Verify those independently before ordering, and send us a message to find out what we are able to ship to you.

Q: What does the FDE RIS III 9.5 rail bring to a 10.3-inch pistol?

A: Coverage and mounting space. It is Daniel Defense’s M-LOK reinterpretation of the SOCOM RIS II quad rail, lighter while keeping durability and the M203 provision, and at 9.5 inches it reaches out toward the muzzle with an uninterrupted top rail for an optic.

Q: Can Western Sport tell me if a magazine is legal in my state?

A: No, and we will not guess. Magazine rules vary by state and locality and change, so verify the current requirements where you live with a competent local source. We can tell you what the firearm accepts mechanically and what we are permitted to send.