Stern Defense 9mm Complete AR-15 Upper for Glock-Style - M-LOK - 16"
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Stern Defense
Overview
The Stern Defense 9mm Complete AR-15 Upper is a fully assembled upper receiver designed for Glock-style magazines, featuring a 16-inch barrel and a blowback gas system. This configuration makes it ideal for 9mm builds, providing a reliable and efficient shooting experience with a 1:10 twist rate that enhances bullet stabilization. Builders often choose this upper for their AR-9 setups, taking advantage of its compatibility with Glock accessories and its lightweight 7075-T6 aluminum construction.
Specifications
Build history on GunPartPicker
Builders have been adding the Stern Defense 9mm Complete AR-15 Upper for Glock-Style - M-LOK - 16" to their builds on GunPartPicker since March 2026. All time, it ranks #917 of the 1,654 upper receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. It dipped to $480.99 at Optics Planet for a stretch in September 2026, well under its usual $534.45, so sales do come around. Buying today, the lowest price is $534.45 at Optics Planet, above September's low of $480.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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