Engineered for consistent function across varied conditions, the Battle Arms Development Inc. AR-15 Investment Cast Complete Enhanced Lower Parts Kit promotes reliable operation. Built with aligned components and careful tolerances, this kit supports smooth mechanical behavior.\n\nDeveloped for shooters who value predictable performance during regular practice, the Battle Arms Development Inc. AR-15 Investment Cast Complete Enhanced Lower Parts Kit offers practical handling. Battle Arms Development Inc. is renowned for its commitment to quality and innovation in firearm accessories.\n\n- Manufacturer: Battle Arms Development Inc.\n- Model: AR-15 Investment Cast Complete Enhanced Lower Parts Kit\n- Product Type: Firearm Accessory\n- Material: 8620 Heat Treated Cast Steel\n- Unique Features: Enhanced Bolt Catch, Enhanced Magazine Catch, Enhanced Single Sided Safety Selector, Adjustable Tactical Grip\n- What's In The Box: Complete Lower Parts Kit