goon2goblinLightly used Proof Research carbon-fiber 14.5” .300 AAC Blackout barrel — low round count, fully function-checked. Match-grade stainless core wrapped in Proof’s carbon process for reduced weight, faster heat transfer, and duty-level durability. Runs suppressed or unsuppressed with consistent harmonics and tight groups — the exact profile builders choose for lightweight, high-accuracy SBR or pin-and-weld builds.  Condition: Lightly used — low round count, bore and chamber clean, no damage to carbon wrap (see photos). Includes: Barrel (threaded 1/2 x 28), perfect for 7.62 Cherry Bomb. No packaging
PayPal G&S (buyer covers 3.5%) or local cash. Ships within 2 business days. Open to trades in my favor — KAC, Hodge, Staccato, Trijicon, Aimpoint, Nightforce, EOTech, ZCO, Tangent Theta, MAWL, OGL, RAID XE, DBAL, Holosun IRIS-3, Railscales, Area 419, Geissele, Rolex, Tudor.
