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Daniel Defense AR-15 M4A1 Upper Receiver Assembly 5.56x45mm 14.5″ Pinned Barrel (Copy)
$473.00
Daniel Defense AR-15 M4A1 Upper Receiver Assembly For Sale
For use with any legally registered SBR or dedicated pistol AR-15 lower receiver, this Daniel Defense AR-15 M4A1 Upper Receiver Assembly in 300 AAC Blackout is a pin-on, ready-to-shoot top end. The Mil-Spec 9″ 4140 steel barrel with a black nitride coating has 1 in 8 twists “a DoubleStar Picatinny rail gas block, twist rifling, and M4 feed ramps. The muzzle has a 5/8” thread “-24 pitch for simple silencer installation, and it is finished off with a robust A2 flash hider.
Hard coat anodized daniel defense a4 upper receiver assembly, DoubleStar pistol-length free-floating handguard, T-Marks, forward assist, and the dust cover are all features. The DoubleStar Upper has an MPI bolt assembly, a properly staked gas key, and a standard AR-15 semi-auto bolt carrier.
With or without a sound suppressor installed, this 9″ 300 Blackout upper uses a pistol-length gas system and is compatible with most subsonic and supersonic rounds. However, some subsonic ammunition may only sometimes cycle reliably in challenging circumstances or a badly fouled handgun without a sound suppressor added to provide additional back pressure.
Is the daniel defense m4a1 fsp upper receiver group a good rifle?
A daniel defense m4a1 fsp upper receiver group will most assuredly be a highly reliable and quality addition to any gun safe. One of their rifles, the M4A1, stands out as one of Daniel Defense’s best offerings.
Notes:
The barrel of an “AR-15 Pistol” upper assembly is shorter than 16″. Only legal short-barreled rifles and AR-15 pistol lowers can employ pistol uppers. Other arrangements might be illegal under federal law.
Installation of AR-15 upper assemblies with specific features, including flash hiders, bayonet lugs, and threaded muzzles, may be illegal in some local and state jurisdictions.
Specifications
Product Information
| Cartridge | 300 AAC Blackout (7.62x35mm) |
| Material | Aluminum |
| Barrel Length | 9 Inches |
| Twist | 1:8 Inches |
| Threads | 5/8″-24 |
| Barrel Contour | Medium |
| Sights | No |
| Barrel Finish | Black Salt Bath Nitride |
| Chrome Lined | No |
| Gas Block Diameter | 0.75 Inches |
| Gas System Length | Pistol |
| M4 Feed Ramps | Yes |
| Upper Receiver Type | A3 Flat-Top |
| Barrel Material | 4140 Chrome Moly Steel |
| Handguard | Pistol Length, 6061-T6 Aluminum, Free Floating |
| Bolt Carrier Assembly Included | Yes |
| Muzzle Device | A2 Flash Hider |
| Mil-Spec or Commercial | Commercial |
| Compatible With |
AR-15
|
Delivery Information
| Shipping Weight | 3.675 Pounds |
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