The Stag Arms A3 upper receiver assembly is our very first Left-Handed upper receiver, available on ar15discounts.com. It is made to mil-spec standards and includes a picatinny rail on the top, dust cover, and installed forward assist.
This Left Handed Upper Receiver is machined from 7075-T6 forgings, hard anodized and includes a factory installed Forward Assist and Dust Cover.
Made in the USA
| Weight | 0.0000 oz |
|---|---|
| Feed Ramps | M4 |
| Forward Assist | Factory Installed |
| Port Door / Dust Cover | Factory Installed |
| Receiver Material | 7075 Aluminum |
| T-Marks | T-Marked |
| Color | Black, FDE |
| MPN | STAG300412L |
| UPC | 4495,811546026955 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Customer Reviews
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US
Two thumbs up
The upper was exactly as advertised. Grateful to Stag for offering so many options for the Southpaw shooters out there. Haven’t built the rifle yet, but it appears to be of solid quality and should perform as expected. Feels good in the hands. AR15Discounts had in stock when many others didn’t and the upper assembly is as they advertised and pictured. Ordering was easy, quick and the item shipped and delivered really fast. Added to my core options of to go to websites to purchase!
USPerfect for a lefty!
Finish was great. Barrel, charging handle, and LH BCG fit and functioned well.
USOriginal Parts at a Great Price!
Enjoy the product, build is coming along great. Waiting for a few items to be back in stock.
USStag Arms L/H Upper
The item arrived when promised. The upper functions well and works great with ambidextrous controls on the lower.
USFit like a glove
Fit perfectly for the build!
