M4A1 FSP 5.56x45mm 14.5"bbl Stripped Upper W/12.25"handguard

Name: M4A1 FSP 5.56x45mm 14.5"bbl Stripped Upper W/12.25"handguard
Brand: Daniel Defense
Availability: InStock

Daniel Defense · Upper Receiver

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Best price

$899.99at Brownells

In stock checked Sep 27, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$899.99checked Sep 27, 2026	In stock	Buy at Brownells

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Price history

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Lowest in-stock price in the last 30 days: $899.99 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.

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Store	Latest	Lowest	Highest
Brownells	—	$899.99	$899.99

Since Sep 27, 2026.

About this part

The M4A1 FSP 5.56x45mm 14.5"bbl Stripped Upper W/12.25"handguard is an AR-15 stripped upper receiver from Daniel Defense. One store lists it, Brownells at $899.99. The lowest in-stock price in the last 30 days was $899.99 at Brownells.

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: 14.5" · Handguards
Handguard length: 12.25" · Barrels

Specifications

Manufacturer: Daniel Defense
Type: Stripped
Platform: AR-15
Caliber: 5.56 mm NATO
Barrel length: 14.5"

From the manufacturer

This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. It features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5" M4 profile barrel, Mil-Spec F-Marked front sight base. UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 14.5" M4 Profile, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested GAS SYSTEM: Mil-Spec F-Marked Front Sight Base, Carbine Length, Direct Impingement HANDGUARD: Daniel Defense M Mfg: Daniel Defense