Ddm4V7 LW 16 "5.56mm 1-7 Light 15" MFR XS M-LOK Rail Upper

Best price

$1,008.99at Brownells

checked Sep 30, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$1,008.99checked Sep 30, 2026	Check store	Buy at Brownells

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

About this part

The Ddm4V7 LW 16 "5.56mm 1-7 Light 15" MFR XS M-LOK Rail Upper is a 16" 5.56 / .223 upper receiver from Daniel Defense. One store lists it, Brownells at $1,008.99.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length: 16" · Handguards
Handguard length: 15" · Barrels

Specifications

Manufacturer: Daniel Defense
Platform: AR-15
Caliber: 5.56 mm NATO
Barrel length: 16"
Length: 15

From the manufacturer

Superior Cooling, Ergonomics and Modularity

From Daniel Defense, the DDM4v7 LW is the first upper receiver to feature the M-LOK attachment technology designed with the Daniel Defense MFR XS 15." rail. The free floating handguard and lightweight profile barrel offer incredible weight savings as well as superior cooling, ergonomics, and modularity while maintaining strength and durability.

The DDM4v7 LW also features a machined 7075-T6 aluminum upper receiver with M4 feed ramps and a 16" Chrome Moly hammer forged steel with a 1-7 twist lightweight profile barrel.

Threaded Muzzle: 1/2-28 TPI
Low profile gas block utilizes the mid-length gas system
Daniel Defense 17-4 PH stainless steel flash hider
M16 Mil-Spec chrome lined bolt carrier group
15" Daniel Defense MFR XS M-LOK handguard
Produt weight 3.9 lbs
DD Vertical Grip M-LOK (glass-filled polymer)

The Daniel Defense DDM4v7 LW weighs in at a mere 3.9lbs and is chambered in 5.56 NATO. Comes complete with DD M16 profile Mil-Spec chrome-lined Bolt Carrier Group.