Blackout Defense Quantum DTL, 6mm ARC, 18" Barrel, Slick Side, Adjustable Gas Block, Black, Rifle

The Blackout Defense Quantum DTL 6mm ARC rifle is built for precision and reliability. Key features include the Dual Taper Lock (DTL) system for self-centering barrel alignment, a 18-inch heavy-profile 416R stainless steel barrel with 5R rifling and 1:8 twist, a slick side upper receiver, and a Superlative Arms adjustable gas block for optimized cycling. Ambidextrous controls include a bolt catch, magazine release, and 45/90-degree selector, paired with the Stryker ambidextrous charging handle and the Zero Short Reset Trigger for a crisp, fast trigger pull. A 7-sided M-LOK handguard with anti-rotation pins supports accessories, while a KeyMo-compatible muzzle device enables suppressor integration. Chambered in 6mm ARC, the rifle features integrated QD sling mounts and a robust 8620 steel bolt carrier group with MPI/HP-tested bolt. The barrel can be cryogenically treated or finished in black nitride for durability.