Daniel Defense AR-15 M4A1 Upper Receiver Assembly 5.56x45mm 14.5″ Pinned Barrel (Copy)

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.