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The nine inch threaded barrel for the Glock 21 Gen 3 Gen 4 and SF is a precision crafted upgrade made to deliver stronger performance and more accurate shooting. Whether you are updating an existing build or pairing it with an MX1 setup, this extended barrel provides smoother function, improved stability, and excellent downrange consistency.
Built from premium American steel, the barrel features a stress relieved CrMoV steel profile that has been treated with a Black Nitride finish. This creates a tough protective surface that resists wear, reduces corrosion, and maintains reliable performance in demanding conditions. The barrel uses precision button rifling and an enhanced lockup that promotes cleaner cycling and more consistent grouping.
The one half inch by twenty eight threaded muzzle gives you the freedom to add a compensator, a suppressor, or other muzzle attachments. A matching thread protector is included to keep the muzzle threads in top condition when not in use. With a one in sixteen right hand twist rate optimized for forty five ACP, the barrel offers excellent bullet stability for tactical shooting, range sessions, personal defense practice, and competition.
Proudly produced in the United States, every barrel is machined with strict tolerances and undergoes detailed quality checks to ensure dependable fitment, smooth operation, and high level accuracy in your Glock platform.
Product Features
Only the highest quality materials are used in META Barrels. Our automated machining and inspection processes ensure that nothing is missed throughout the manufacturing process. We employ rigorous in process inspection procedures both inside the machine via precision probes and outside the machine via skilled visual and live fire inspections. META Barrels are finished in Black Nitride and then engraved giving each barrel a stunning appearance. Combine this barrel with an MX-1 for a compact, precision shooting experience. The slim, ultra-lightweight 9″ barrel design is a result of years of experience combined with around-the-clock R&D and testing.
Glock 21 (Gen 3, 4, & SF)
9" Threaded Barrel for Glock 21 (Gen 3, 4, & SF)
