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Stern Defense
Overview
The Stern Defense AR-15 SD Mod 5 9mm Upper Receiver is a complete assembly designed for AR-9 platforms, featuring an 8.5-inch barrel that optimizes performance for 9mm ammunition. This upper receiver is finished in black, providing a sleek aesthetic while ensuring durability. Builders often incorporate this upper in compact builds aimed at enhancing maneuverability without sacrificing firepower.
Stern Defense AR-15 SD Mod 5 9mm Upper Receivers M-LOK Complete - SD Mod 5 9mm Upper Receiver 8.5in M-LOK Complete Black
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