Engineered for consistent function across varied conditions, the Superlative Arms AR-15 Solid Adjustable Gas Block .625'' Black promotes reliable operation.\n\nDeveloped for shooters who value predictable performance during regular practice, the Superlative Arms AR-15 Solid Adjustable Gas Block .625'' Black offers practical handling. Superlative Arms is renowned for its innovative designs and commitment to quality.\n\n- Manufacturer: Superlative Arms\n- Model: SABO-DI-625SM\n- Product Type: Adjustable Gas Block\n- Mounting System: Set Screw\n- Weight: 1.37 oz\n- Length: 1.00"\n- Material: 416 Stainless Steel\n- Unique Features: Patented Bleed Off Mode, 30 locked positions\n- What's In The Box: Gas Block, Set Screws, Gas Tube Roll Pin, Hex Key, Instructions