A 300 Blackout pistol barrel is a short barrel, typically 7″–10.5″ in length, designed for AR-15 pistols chambered in 300 AAC Blackout. It offers optimal performance in compact, suppressed, or short-barreled builds. The 300 Blackout pistol barrel works with AR-15 upper receivers, compatible gas systems (usually pistol-length), gas blocks, gas tubes, handguards, bolt carrier groups, and lower receivers. It’s ideal for shooters seeking a maneuverable, hard-hitting option for home defense, tactical use, or range shooting in a compact AR-platform build.
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