Proof Research PR15 upper receiver assembly in .223 Wylde with mid-length gas system. 14.5″ barrel with 1/2×28 threaded muzzle.
– Caliber: .223 Wylde
– Barrel length: 14.5″
– Gas system: Mid-length
– Muzzle thread: 1/2×28
– Model: PR15
Proof Research PR15 .223 Wylde 14.5″ Mid-Length Upper Receiver
$899.00
1 in stock
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Engineered for Extremes
The Vault — Where Education Fuels Better Decisions
The Vault is the engine behind Pyrost. It’s where we publish deep-dive articles, field-tested reviews, instructional videos, advocacy content, and wild-game recipes — all designed to help you learn, verify, and apply what actually works.
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