Shop 7.5″ AR-15 barrels, complete uppers, and pistol kits at Daytona Tactical. Our 7.5-inch lineup covers the most popular compact AR-15 calibers — 5.56 NATO, .223 Wylde, and 300 Blackout — from trusted barrel makers including Faxon Firearms, Ballistic Advantage, and Bear Creek Arsenal. Whether you’re building an AR pistol from scratch or grabbing a ready-to-run complete upper, our 7.5″ selection keeps you in stock and shipping fast.