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AR-15 and M4 Upper Assemblies

Home / Upper Assemblies
AR-15 Rifle and M4 Carbine Upper Assemblies by American Spirit Arms. Upper assemblies include forged upper receiver, barrel, bolt, carrier and charging handle with your choice of front iron sight or gas block.
 
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13 Item(s) Page 1 of 1 |   1

M4A3 16 Inch AR-15 M4 Upper Assembly Product ID : ASA-16UA-M4A3
5.56mm AR-15 M4 upper assembly with flat top and 16 inch barrel
$655.00  Sale Price: $589.50
 
 
16 Inch M4A2 AR-15 M4 Upper Assembly Product ID : ASA-16UA-M4A2
5.56mm AR-15 M4 upper assembly with fixed carry handle and 16 inch barrel
$675.00  Sale Price: $607.50
 
 
20 Inch A2 AR-15 Upper Assembly Product ID : ASA-20UA-A2
5.56mm AR-15 upper assembly with fixed carry handle and 20 inch barrel
$675.00  Sale Price: $607.50
 
 
20 Inch A3 AR-15 Upper Assembly Product ID : ASA-20UA-A3
5.56mm AR-15 flat top upper assembly with 20 inch barrel
$655.00  Sale Price: $589.50
 
 
16 Inch A2 Dissipator AR-15 Upper Assembly Product ID : ASA-16UA-DISA2
5.56mm AR-15 upper assembly with fixed carry handle, 16 inch barrel and...
$699.00  Sale Price: $629.10
 
 
16 Inch A3 Dissipator AR-15 Upper Assembly Product ID : ASA-16UA-DISA3
5.56mm AR-15 flat top upper assembly with 16 inch barrel and dissipator...
$675.00  Sale Price: $607.50
 
 
10.5 Inch A3 AR-15 M4 Upper Assembly Product ID : ASA-105UA-A3
5.56mm AR-15 M4 flat top upper assembly with 10.5 inch barrel
$675.00  Sale Price: $607.50
 
 
7.5 Inch AR-15 Pistol Upper Assembly Product ID : ASA-75UA-PIS
5.56mm AR-15 pistol upper assembly with flat top and 7.5 inch barrel
$675.00  Sale Price: $607.50
 
 
7.5 Inch AR-15 Pistol Upper Assembly with Handguard Product ID : ASA-75UA-PIS-H
5.56mm AR-15 pistol flat top upper assembly with 7.5 inch barrel and handguard
$675.00  Sale Price: $607.50
 
 
9MM A2 AR-15 M4 Upper Assembly Conversion Product ID : ASA-9MMUA-A2
9mm AR-15 M4 upper assembly with fixed carry handle and 16 inch barrel
$769.00  Sale Price: $692.10
 
 
9MM AR-15 M4 Flat Top Upper Assembly Conversion Product ID : ASA-9MMUA-FT
9mm AR-15 M4 upper assembly with flat top and 16 inch barrel
$769.00  Sale Price: $692.10
 
 
24 Inch A3 AR-15 Bull Barrel Upper Assembly Product ID : 24 Inch BB Upper Assembly
5.56mm AR-15 Flat Top Upper Assembly with 24 Inch Bull Barrel
$949.00  Sale Price: $854.10
 
 
24 Inch AR-15 Bull Barrel Side Charger Upper Assembly Product ID : 24 Inch BB SC Upper Assembly
5.56mm AR-15 Flat Top Side Charger Upper Assembly with 24 Inch Bull Barrel
$1,099.00  Sale Price: $989.10
 
 

13 Item(s) Page 1 of 1 |   1

Features and Calibers include:

  • Flat Top
  • Fixed Carry Handle
  • 7.5 Inch Pistol Barrel
  • 10.5 Inch Barrel
  • 16 Inch Barrel
  • 20 Inch Barrel
  • Chrome Moly Barrel
  • Stainless Steel Bull Barrel
  • Dissipator
  • 5.56mm, .223, 9mm

 
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Featured Product
ASA AR-15 M4 Side Charger Upper Receiver without Carrier
ASA AR-15 M4 Side Charger Upper Receiver without Carrier
Price: $349.00
AR-15 and M16 are registered trademarks of Colt's Manufacturing Company LLC and Colt Defense LLC.
 
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