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What: Unfired Proof Research stainless steel barrel for large frame AR / AR-10 / similar. This is .875” at the gas block with 5/8x24 threads. Barrel was assembled to an upper receiver but the gas system and muzzle device were never installed.
Price: Shipping included @ $500. Payment via discreet electronic methods (Zelle, PayPal FF, or similar), USPS money order, bank check or wire, and maybe personal checks.
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