The Yankee Hill AR-15 Lightweight Upper Assembly is a drop-in part that will attach to virtually any standard AR-15 lower assembly. Comes complete with charging handle, Mil Spec bolt and bolt carrier assembly, it is ready to pin to a complete lower assembly with no modification. Barrels feature Yankee Hill's Diamond fluting which reduces weight and increases cooling. Uppers come complete with Yankee Hill Lightweight free float 4-rail handguards which increase versatility and accuracy without adding too much weight.
Specter XL model features a rifle length handguard over Carbine length gas system
Specter XL uppers include flip up front and rear sights
Forged 7075-T6 Flattop Upper Receiver
Phantom Flash Hider
Handguard Length: Rifle 12.5
Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.