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Build the Perfect Left Handed AR Upper at Home

Stag Arms’ Left Handed AR-15 A3 Flattop Upper Receiver Assembly is perfect for that left handed AR-15 that you have been thinking of building.

Stag makes sure to closely follow mil-spec standards in every possible way and makes sure to include an installed dust cover, and forward assist assembly that conformed to those same stringent standards.

  • Compatible with small .250” diameter pivot and takedown pins
  • Includes preinstalled dust cover and forward assist
  • Forged construction with black type 3 hard coat anodizing
  • Picatinny optics mounting rail

Stag Arms applies a type 3 hard coat anodizing to each Left Handed AR-15 A3 Flattop Upper Receiver Assembly to help it resist moisture and abrasion. The Left Handed AR-15 A3 Flattop Upper Receiver Assembly from Stag Arms is compatible with 5.56/.223 AR-15 barrels.

STAG ARMS - AR-15 A3 UPPER RECEIVER ASSEMBLY 5.56MM LEFT HAND

Online Only
In Stock

Cartridge: 223 Remington, 5.56 mm NATO

Finish: Black

Style: Assembled