Stern Defense 9mm 16.1" Assembled Upper with MLOK Rail
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Stern Defense
Overview
The Stern Defense 9mm 16.1" Assembled Upper is a complete upper receiver designed specifically for the AR-9 platform, making it an excellent choice for those looking to build a 9mm carbine. With a barrel length of 16.1 inches, this upper provides a balance of maneuverability and accuracy, ideal for both close-quarters and mid-range shooting. This upper receiver is commonly used in builds focused on versatility and practicality, allowing builders to create a reliable firearm for various applications.
Specifications
Price and stock
Availability is good for the Stern Defense 9mm 16.1" Assembled Upper with MLOK Rail: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $524.45, so there haven't been real sales lately. Buying today, the lowest price is $524.45 at BattleHawk Armory, which matches the best price we saw in August.
Prices checked · refreshed daily across 35 retailers
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