Daniel Defense DD5 V4 Gen II 7.62x51mm NATO 18" 20+1 - Never Fired w/Case

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Daniel Defense DD5 V4 Gen II 7.62x51mm NATO 18" 20+1 - Never Fired w/Case

The DD5 V4 provides users of the Daniel Defense semi-automatic platform even greater long-range precision shooting capability. These gains in ballistic efficiency help the modern shooter stretch the effective range out to 1,000 meters or more. This highly accurate and durable rifle includes an adjustable gas block that allows for a consistent feel whether shooting suppressed or unsuppressed. The perfected bolt carrier group reduces overall recoil impulse and is easy to maintain and operate in all conditions.

 

🛠️ Core Features

Caliber & Barrel

Chambered in 7.62×51 NATO (.308 Win), with an 18″ Cold Hammer‑Forged proprietary steel S2W® barrel, chrome-lined for longevity and heavy phosphate‑coated externally—tailored for precision and durability 

Action & Gas System

Semi-auto, direct‑impingement rifle-length gas system.

Features a user-adjustable gas block, ideal for switching between suppressed and unsuppressed setups

Bolt Carrier Group

DLC‑coated, super finished bolt carrier reduces recoil and eases maintenance.

Includes a roller buffer, with enhanced extractor geometry and dual ejectors for reliable cycling

Rail & Handguard

Free-floating DD5 Rail 15.0 (CNC milled 6061-T6 aluminum), featuring M-LOK slots and a full-length top Picatinny section 

Barrel Interface

4-bolt system (barrel-to-receiver, no barrel nut) ensures barrel harmonics and accuracy

Controls & Ergonomics

Ambidextrous “Grip‑N‑Rip” charging handle with anti-gas features.

Flared magwell and ambi bolt release for faster reloads 

Adjustable six-position stock (SoftTouch overmold), ergonomic pistol grip, and QD sling points

Muzzle Device

Daniel Defense “Superior Suppression Device” (flash hider) in 17‑4 PH stainless steel with salt-bath nitride finish 

Build

Upper and lower receivers made from CNC-machined 7075‑T6 aluminum, Type III hard-coat anodized.

Made in the USA; accepts standard SR-25/Magpul 20‑round magazines

📏 Specs Summary

SpecDetail
Caliber7.62×51 NATO / .308 Win
Barrel Length18″ (S2W Heavy Profile, chrome-lined)
Weight (unloaded)8.6 lb
Overall Length35⅜″ – 39″ (with muzzle device)
Twist Rate1:10″
Capacity20+1 (PMAG 20)
Thread Pattern5/8″×24 TPI

 

✅ Strengths

Built for long‑range semi-auto—solid out to 800–1 000 m.

Cold-formed, chrome-lined barrel for shot‑after‑shot consistency.

Adjustable gas block enhances cycling smoothness, especially with suppressors.

Robust BCG with smoother recoil.

Well-thought ergonomics with ambi controls and M-LOK attachments.

Premium fit & finish, with a clean, precise barrel-to-receiver join.

⚠️ Considerations

Trigger: Includes Daniel Defense mil‑spec trigger—solid but not competition grade. Many users opt to upgrade to a Geissele or SSA trigger

Weight: At ~8.6 lb, it’s fairly heavy—great for stability but less ideal for lightweight carry.

🗣️ User Feedback

Reddit users on r/AR10 highlight:

“Unless you rally value the barrel interchange ability … the DD5v4 is an excellent rifle…you’ll want to replace the trigger with something nice, it’s just a standard milspec.” 

🎯 Ideal Use Cases

Long-range precision shooting

Suppressed/unsuppressed versatility

Shooters who want a battle-ready, hard-hitting semi-auto platform with optics

 

Brand    Daniel Defense

Category    Tactical Rifles

Series    V4 Gen II

Model    DD5

Caliber    7.62x51mm NATO

Gun Platform    AR-10 Style

Operating System    Direct Impingement

Stock Finish Group    Brown

Capacity    20+1

Stock Material    Synthetic

Action    Semi-Auto

OAL    35.38"- 39"

Hand    Right Hand

Sights    None

Barrel Finish    Black

Muzzle    DD Superior Suppression Device

Twist    1:11"

Magazine Type    AR-10

Grips    Black Polymer

Includes    Hard Plastic Case

Receiver Material    Aluminum

Thread Pattern    5 / 8"x24

Stock Description    6 Position w / SoftTouch Overmolding

Barrel Description    Steel

Barrel Length    18"

Max Capacity    20

Receiver Finish    Mil-Spec Brown Cerakote

Weight    8.60 lbs

Stock Finish    Mil-Spec Brown

Make

Daniel Defense

Model

DD5 V4 Gen II

Caliber

7.62x51mm NATO

Action

Semi Automatic

Capacity

18+1

Barrel length

18"

Overall length

39"

Length of pull

na

Gun weight

8.6lbs

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