The LBE UNLIMITED ARBCS20PK Bolt Catch for AR-15 in black, crafted from durable 1117 steel, delivers reliable operation and repeatable bolt catch performance for rifles built or upgraded to endure demanding field and range duty, with a 20-pack offering ample supply for multiple builds or parts replacement. Engineered for precision fit and smooth cycling, this bolt catch delivers solid engagement, consistent release, and dependable function under a variety of conditions, making it a practical choice for shooters who value maintenance-friendly components and long-lasting performance. Its robust construction provides improved impact resistance and wear tolerance, helping ensure consistent bolt hold-open and reliable cycling during rapid-fire sequences or controlled semi-automatic use. Ideal for sport shooters, tactical enthusiasts, or gunsmith projects, the ARBCS20PK pairs seamlessly with AR-15 platforms, delivering confidence-inspiring reliability while simplifying spare parts management with multiple units in a single package. Whether youre assembling a new build, stocking a range bag, or refreshing worn components, this bolt catch from LBE UNLIMITED combines hardened steel strength with straightforward installation to support steady, repeatable operation across countless sessions.