Product Summary
The AR-STONER Sporter Stripped AR-15 Billet Upper Receiver is a durable, high-quality component machined from solid 6061-T6 aluminum. Featuring a sleek A3 flat top profile, this upper is designed for easy customization with various optics or front and rear sights. It is pre-drilled to accept a 1/8″ x 3/8″ alignment pin, ensuring a near-seamless fit when paired with compatible AR-STONER handguards. This universal upper receiver is built to perform in any environment and fits precisely onto any standard AR-15 lower receiver.
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