AR-10A4 A-Series Flat-Top Upper Receiver Assembly

AR-10®A4 B-Series Upper Receiver Assembly


Complete upper receivers include: AR-10 port door assembly (EA1165), AR-10(T) port door rod (EA1171), AR-10 / M-15 port door spring (EA1167), and AR-10 forward assist kit (10005001KIT).

AR-10®A4 complete upper is our standard flat top upper with the standard port door rod used for all AR-10®’s that will utilize a 2-piece handguard. If a free float handguard is to be used, the 10002000 AR-10(T)TM complete upper is needed.

Out of stock

SKU: 10002001 Categories: ,
7.62X51 mm / .308
Upper Receiver
Forged flat-top with MIL-STD 1913 rail & laser engraved rail numbering, 7075-T6 aluminum. Thread Size: 1 – 7/16”X18 UNEF-3A