This AR15 upper receiver assembly from Yankee Hill Machine is ready to build into a great modern sporting rifle. These uppers are designed, machined and built 100% in house by YHM so you know they are built to last! This upper features M4 style feed ramps, a flat top M1913 picatinny rail, and the inside is dry film lube coated. The forward assist and port door dust cover are already installed for you. Its precision machined from 7075-T6 aluminum and will match any mil-spec lower receiver. When you need a top quality upper for your next AR build, turn to Yankee Hill Machine!

Specifications and Features:
Yankee Hill Machine YHM-100
AR-15 Flat Top A3 Upper Receiver Assembly
Machined 7075-T6 Aluminum
A3 Flat Top Mil-Std 1913 Picatinny Rail
M4 Style Feed Ramps
Inside Coated with Dry Film Lube
Accepts Mil-Spec Standard Parts and Components
Accepts Mil-Spec Lower Receivers
Mil-Spec Hard anodized Type III
Black

Includes:
Forward Assist
Port Door/Dust Cover

Note: This product is not returnable to Cheaper Than Dirt. Please contact the manufacturer for warranty and assistance.