The Troy A3 5.56 NATO Complete AR-15 Upper Receiver is built for superior performance at a price that won’t break the bank. This quality upper comes in three variations a 11.5” barrel with 10.5″ SOCC BattleRail M-LOK handguard, a 14.5” barrel with 12.5″ SOCC BattleRail M-LOK handguard, or a 16” barrel with 15.125″ SOCC BattleRail M-LOK handguard all chambered in 5.56 NATO and equipped with a flash hider.

Each SOCC BattleRail M-LOK handguard gives you plenty of room to mount your favorite accessories, so you can customize your AR-15 to fit your shooting style. The Troy Industries A3 complete upper receivers are an exceptional choice for those seeking a competitively priced option for a traditional AR-15 style lower.

Additional information

Barrel Length

11.5", 14.5", 16"

Upper Receiver SPC-A3

SKU#: SUPG-A3S-11BT-00


Customers must read Compliance Information before purchasing.


  • TROY SOCC Rail

  • TROY A2 Flash Hider


  • Caliber 5.56

  • Operating System Gas Operated

  • Material Aircraft Grade 6061-T6 Aluminum