STAG ARMS A3 Flattop Upper Receiver Assembly Left-Handed
The A3 upper receiver assembly is made to mil-spec standards and includes a picatinny rail on the top, dust cover, and installed forward assist.
- Small pin - .250"
- Forged and mil-spec with type 3 hard coat anodizing and a picatinny rail on top
- Weight - 4.1 oz
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