AR-15 and M4 Upper Receivers

AR-15 and M4 Forged Upper Receivers by American Spirit Arms
ASA AR-15 M4 Side Charger Upper Receiver with Modified Carrier
Flat Top Side Charger Upper Receiver for AR-15 Rifle and M4 Carbine
$479.99
$459.99
ASA A3 AR-15 M4 Upper Receiver
5.56mm Flat Top AR-15 M4 Upper Receiver
$159.99
$89.99
ASA A2 AR-15 M4 Upper Receiver
5.56mm AR-15 M4 Fixed Carry Handle Upper Receiver
$159.99
$129.99
ASA AR-15 M4 Side Charger Upper Receiver without Carrier
Flat Top Side Charger Upper Receiver for AR-15 Rifle and M4 Carbine, without...
$379.99
$359.99
ASA AR-15 9MM Side Charger Upper Receiver with Modified Carrier Gen II
Flat Top 9MM Side Charger Upper Receiver for AR-15 Rifle and M4 Carbine
$549.99
$499.99
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Features include:
  • Flat Top
  • Fixed Carry Handle
  • Side Charger Receiver
  • 5.56mm and .223
  • 9mm