The Diamondback DB-15 is a used 5.56 NATO semi-automatic tactical rifle with a 16-inch barrel and a flash hider. It has Picatinny rails, an M-LOK handguard, an adjustable stock and a matte black finish. The listing describes modern production, an excellent bore and light use marks on the handguard, with very good overall condition. Its adjustable stock is listed alongside the Picatinny rails and M-LOK handguard.

This rifle suits a buyer who wants an AR-style 5.56 NATO rifle with rail space for lights or optics. The adjustable stock and M-LOK handguard are the main setup features. Review the handguard wear note before ordering. The listing rates the overall condition as very good and the bore as excellent, which are the main points to compare with other used rifles.

Key features

• Used 5.56 NATO semi-automatic rifle
• 16-inch barrel with flash hider
• Picatinny rails and M-LOK handguard
• Adjustable stock, matte black finish
• Light use marks on handguard

This firearm ships to the licensed FFL dealer you choose, where you complete ATF Form 4473 and pass a NICS background check before you take it home.