Ddm4 300 S 10.3" 300 AAC Blackout 1-8 9" Ddm4 Rail Upper

Best price

$1,119.99at Brownells

checked Jun 20, 2020

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$1,119.99checked Jun 20, 2020	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 Ddm4 300 S 10.3" 300 AAC Blackout 1-8 9" Ddm4 Rail Upper is a 10.3" 300 Blackout upper receiver from Daniel Defense. One store lists it, Brownells at $1,119.99.

Fits and works with

Caliber: 300 Blackout · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Barrel length: 10.3" · Handguards
Handguard length: 9" · Barrels

Specifications

Manufacturer: Daniel Defense
Color: Black
Platform: AR-15
Barrel length: 10.3"
Length: 3

From the manufacturer

Delivers Exceptional Performance in a Compact, Fast-Handling Package

The Daniel Defense DDM4 300S was designed for operators demanding a short-barrel rifle chambered in the popular 300 Blackout cartridge. Using standard 5.56mm magazines and bolts, the 300S is able to deliver .30 caliber ammunition with greater muzzle energy than comparable 5.56mm rifles.

The Daniel Defense DDM4 300S also features a durable hard coat anodized finish and a hammer forged 10.3" chrome moly barrel with a 1-8 twist in a Strength-to-Weight (S2W) profile.

Threaded Muzzle: 5/8 x 24 TPI
Pinned low profile gas block machined from 4140 hardened steel, pistol length
Daniel Defense 17-4 PH stainless steel extended flash suppressor
Chrome lined M16 profile bolt carrier group
6061-T6 aluminum Daniel Defense 9" DDM4 Rail

From home defense, target shooting, hunting to suppressed operation, and tactical applications, the Daniel Defense DDM4 300S is capable of delivering exceptional performance from a compact, fast-handling package.