Battle Arms Development (BAD) has released an AR-15 Enhanced Bolt Catch (BAD-EBC-IC), which is a cost-friendly alternative, without sacrificing the quality for your AR build! The AR-15 Cast Enhanced Bolt Catch is 8620 heat-treated cast steel with a manganese phosphate black finish. With this upgrade you have a versatile modular design, enhanced control surfaces, lightweight engineering, and better ergonomics. Lightweight but Robust Design 0.39oz Compatible with Norgon Ambi-Catch Without Interference Raised "T-Shaped" Heel Provides Positive and Distinctive Control Surface for Bolt Lock Back Bold Horizontal and Diagonal Serrations Provides Positive Purchase