DDC DTF-S Titanium. Designed for .338LM/8.6BLK (bore 0.400"). Uses Enticer baffle technology. Material: Titanium. Length: 6-3/4". Diameter: 1-5/8". Weight: 9.2oz. Mounting: Bravo/1-3/8x24 thread. Direct thread available: M18x1.5 titanium (sold separately). Min barrel lengths: .338LM 22", 8.6BLK subs 8", 8.6BLK supers 12". Firing schedule: .338LM 10 shots before cooldown, 8.6BLK subs unlimited (keep below 800°F), 8.6BLK supers 30 shots before cooldown. Lifetime warranty when following barrel length and firing schedules. Note: If this product is reflected as in-stock it means it's either physically in-stock or allocated and available (serial number is assigned) at my distributor