Description

Upgrade your AR-15 with the Yankee Hill Machine A3 Upper Receiver Assembly. This aluminum upper receiver features M4 style feed ramps and ‘T’ markings, ensuring a reliable and precise fit. It is coated inside with dry film lube for smooth operation and accepts both standard upper receiver parts and Mil-Spec lower receivers. Complete with a forward assist and dust cover assembly, this upper receiver provides enhanced performance and durability for your firearm.