🛠️ 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

✅ 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