The Proof Research Competition PXT barrel blank is a stainless steel blank in .308 caliber with a 26-inch length, designed for builders assembling custom competition rifles. Proof Research is well regarded among precision shooters for barrel quality and accuracy. A longer 26-inch barrel can help extract maximum velocity from the cartridge, which is popular in long-range competition. A barrel blank requires professional chambering, threading, and fitting by a qualified gunsmith before use.

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