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Daniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group 23-004-09376 Overall Length: 16 in, Barrel Length: 14.5 in, $113.00 Off w/ Free S&H

Daniel Defense Upper Receiver Group M4A1 FSP, 5.56 Nato, 16in, 14.5in Barrel, M4, Carbine, 1-7 Twist, 1/2x24in Thread, Picatinny Handguard, Surefire SF3P, Type III Hard Coat Anodized, FDE/Black, 23-004-09376
Daniel Defense Upper Receiver Group M4A1 FSP, 5.56 Nato, 16in, 14.5in Barrel, M4, Carbine, 1-7 Twist, 1/2x24in Thread, Picatinny Handguard, Surefire SF3P, Type III Hard Coat Anodized, FDE/Black, 23-004-09376
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Daniel Defense Upper Receiver Group M4A1 FSP, 5.56 Nato, 16in, 14.5in Barrel, M4, Carbine, 1-7 Twist, 1/2x24in Thread, Picatinny Handguard, Surefire SF3P, Type III Hard Coat Anodized, FDE/Black, 23-004-09376

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Questions & Answers
Is the charging handle DD Grip N Rip? Or just plain mil-spec?

The charging handle that comes with it is the standard mil-spec handle as seen on issued service rifles.

by Vucaur, Verified Owner, December 14, 2024
See 1 More Answer
Is the muzzle device pinned and welded to make an overall 16” and “rifle” or is it considered a pistol?

The muzzle device is indeed pinned and welded, making the overall length 16 inches and to be considered a rifle.

by Sam, Verified Owner, December 2, 2024
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
tack driver by Ed, November 17, 2023
Bad Larry ! Reliable! Accurate! Rock solid!… heavy. Tough to choose a favorite rifle for me, but it’s probably my favorite. Amazes me every-time I shoot over 100 yards. Shoots flat as can be too. This rifle is American history. Absolutely love the Ir...
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2/2 found this helpful
Helpful Positive Review
She's a Heavy Girl by Migo, Verified Owner, March 3, 2024
The biggest draw for this upper is the famously bomb-proof RIS II hand guard, and after playing with it some I can see why it has this reputation. The barrel has shot well, and is likely more accurate than I am. Carbine gas is carbine gas, and just a...
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1/1 found this helpful
Most Recent Reviews
Daniel Defense M4A1 FSP by Bruzek Knives USA, Verified Owner, March 25, 2025
As always, Amazing Deals and customer service with Optics Planet. Amazing DD upper and an amazing price that could not be beat by any other sites
Most Recent Reviews
blessing from god by Dave, Verified Owner, December 26, 2024
The title is for any Daniel defense rifle. This is my 2nd Daniel defense upper and I own one other complete Daniel defense Ar as well. You can’t find a better barrel or machined Handguard. The hand guard on the m4a1 Fsp is truly impressive, I feel li...
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Most Recent Reviews
Bomb proof complete upper receiver by Diego, Verified Owner, December 3, 2024
Back in 2012, I remember being in the outback's of RC South in Maiwand Afghanistan. The BlockII upper made its appearance in our Combat Outpost. It was a sturdy upper with the Daniel D rails. I ordered this upper with nostalgia from days gone past. W...
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Most Recent Reviews
Great for my M4A1 Block 2 Build by IT-Gunner, Verified Owner, April 5, 2024
This is definitely a quality upper. Well built and nicely finished. I did swap the rear sight for a Matech, and I swapped the dust cover for a standard AR cover, but other than that it was a drop in, snug fit with my Franklin binary lower.
Read All 6 Reviews
Overall Length:
16 in
Barrel Length:
14.5 in
Barrel Profile:
M4
Gas System Length:
Carbine Length
Barrel Twist Rate:
1-7
Threads per Inch:
1/2x24
Muzzle Device:
Surefire SF3P
Finish:
Anodized
Color:
Black
Handguard Length:
14.5 in
Condition:
New

Code: DDD-URC-M57DWR35-23-004-09376

MPN: 23-004-09376

UPC: 818773021869

List: $1,619.00Save $113.00
$1,506.00

Product Info for Daniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group

This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. This upper features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5in M4 profile barrel, Mil-Spec F-Marked front sight base, Surefire SF3P flash hider/suppressor adapter, A1.5 Fixed Rear Sight, M16 profile full auto bolt carrier group, and Rail Mounted QD Swivel Attachment Point with QD swivel.image

Specifications for Daniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group:

Manufacturer: Daniel Defense
Overall Length: 16 in
Barrel Length: 14.5 in
Barrel Profile: M4
Gas System Length: Carbine Length
Barrel Twist Rate: 1-7
Threads per Inch: 1/2x24
Muzzle Device: Surefire SF3P
Finish: Anodized
Color: Black
Fabric/Material: Steel
Gas Block Journal Size-Diameter: .750 in
Handguard Length: 14.5 in
Handguard Style: Quad Rail
Gun Rail: Picatinny
Gun Type: Rifle
Gun Model: AR-15
Weight: 4.58 lb
Condition: New
Barrel Material: 4140 Chrome Moly Vanadium
Gas System Type: Direct Impingement
Bolt Carrier Group Included: MIL-SPEC
Magazine Included: No
Charging Handle Included: MIL-SPEC

Features of Daniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group

  • 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, 14.5in 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
  • Muzzle device: Surefire SF3P Flash Hider / Suppressor Adapter, Precision Machined from US Mill-Certified Heat-Treated Stainless Steel Bar Stock, Black Ionbond DLC Coating, Pinned and Welded to Barrel
  • Bolt carrier group: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key
  • Sights: A1.5 Fixed Rear Sight, 6061-T6 Aluminum, Type III Hard Coat Anodized
  • Handguard: Daniel Defense M4A1 FSP Rail Interface System (RIS) II, CNC Machined of 6061-T6 Aluminum, Type III Hard Coat Anodized FDE

Package Contents:

  • Daniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group
  • A1.5 Fixed Rear Sight

Daniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group Orderable Models

List of Orderable Models

  • Daniel Defense Upper Receiver Group M4A1 FSP, 5.56 Nato, 16in, 14.5in Barrel, M4, Carbine, 1-7 Twist, 1/2x24in Thread, Picatinny Handguard, Surefire SF3P, Type III Hard Coat Anodized, FDE/Black, 23-004-09376 , MPN: 23-004-09376 , UPC: 818773021869 , Code: DDD-URC-M57DWR35-23-004-09376

Daniel Defense M4A1 FSP 14.5in 5.56 Nato Upper Receiver Group Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Daniel Defense Upper Receiver Group M4A1 FSP, 5.56 Nato, 16in, 14.5in Barrel, M4, Carbine, 1-7 Twist, 1/2x24in Thread, Picatinny Handguard, Surefire SF3P, Type III Hard Coat Anodized, FDE/Black, 23-004-09376 , MPN: 23-004-09376-EDEMO , Code: DDD-URC-M57DWR35-23-004-09376-EDEMO-IN-B
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