Engineered for consistent function across varied conditions, the Superlative Arms AR-15 Solid Adjustable Gas Block .875'' Black promotes reliable operation.\n\nDeveloped for shooters who value predictable performance during regular practice, the Superlative Arms AR-15 Solid Adjustable Gas Block offers practical handling. Known for its reliability and innovation, Superlative Arms continues to set the standard in firearm accessories.\n\n- Manufacturer: Superlative Arms\n- Model: SABO-DI-875SM\n- Product Type: Adjustable Gas Block\n- Mounting System: Solid, Set Screw\n- Material: 416 Stainless Steel\n- Unique Features: Patented Bleed Off Mode, 30 locked positions, reduces recoil\n- What's In The Box: Gas Block, Set Screws, Gas Tube Roll Pin, Hex Key, Instructions