# Daniel Defense DDM4 V7 SB-40 5.56 NATO 16in

**Brand:** Daniel Defense
**Category:** AR Style Rifles
**Caliber:** 5.56 NATO

## Specifications

- **Caliber:** 5.56 NATO
- **Barrel Length:** 16"
- **UPC:** 818773025430
- **SKU:** UCEPj6AlC

## Description

The Daniel Defense DDM4 V7 SB-40 is a semi-automatic AR-15 style rifle chambered in 5.56 NATO. It has a 16-inch cold hammer-forged, government profile barrel with a mid-length gas system, and ships with a Daniel Defense 32-round magazine. The upper uses the DDM4 V7's MFR 15.0 M-LOK rail, a free-floated, lightweight handguard with a continuous top Picatinny rail for optics and accessory mounting.

### Key Specifications
- **Brand:** Daniel Defense
- **Model:** DDM4 V7 SB-40
- **Caliber:** 5.56 NATO
- **Action:** Semi Auto
- **Barrel Length:** 16 in
- **Capacity:** 32+1
- **Gas System:** Mid-length

### Detailed Features
- 16-inch cold hammer-forged, government profile barrel in 5.56 NATO
- Mid-length gas system paired with the MFR 15.0 M-LOK free-float rail
- Continuous top Picatinny rail runs the length of the upper for optic mounting
- Ships with a Daniel Defense 32-round magazine
- No optic included from the factory, leaving the top rail open for the buyer's choice

The DDM4 V7 SB-40 is built as an AR-15 pattern rifle for general-purpose use, with the mid-length gas system and free-float M-LOK rail giving it a configurable base for optics and accessories.

## What Customers Say

*AI-generated insights from customer reviews*

Daniel Defense rifles carry a strong reputation for build quality, and the DDM4 V7 line is frequently cited as one of the more reliable AR-15 pattern rifles available from a major manufacturer. Owners commonly praise the fit of the upper and lower and the smoothness of the mid-length gas system, saying it feels softer shooting than a comparable carbine-length setup.

The M-LOK free-float handguard gets consistent praise for how much real estate it gives for lights, grips, and other accessories without adding much bulk. Some owners note the rifle ships without an optic or back-up sights, which means factoring that cost in separately, and a few mention the barrel profile makes the front end a touch heavier than a lightweight-profile competitor.

On value, the DDM4 V7 sits at a premium price point relative to entry-level AR-15s, and most owners who buy one see that as paying for the barrel quality and overall fit rather than for extras. The aftermarket for AR-15 pattern parts is broad, so owners looking to customize the rifle further generally have no trouble finding compatible components.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Classicfirearms Com | $2030.36 |

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*Data from [GunsNation](https://gunsnation.com)*