The Aim Sports PJARSTKCP Stock Lock Pin Magpul Steel Black combines rugged steel construction with precise compatibility to deliver reliable field performance and enhanced stock security. Built by Aim Sports, this lock pin is crafted from steel with a steel finish that emphasizes durability while maintaining a clean, professional appearance on Magpul-based setups. Designed for a 1.40" L firearm model, the pin integrates smoothly with Magpul components, offering a secure locking solution that helps maintain stock alignment during rigorous field use or range sessions. The gray rails provide a subtle contrast that supports quick visual identification and dependable integration with matching accessories, making it an ideal upgrade for rifle enthusiasts seeking a dependable retention mechanism without compromising maneuverability. Whether youre outfitting a precision rifle, a tactical build, or a practical sporting setup, this stock lock pin delivers straightforward installation, robust performance, and long-lasting resilience under demanding conditions. Trust in Aim Sports to provide a functional, professional accessory that preserves stock integrity while supporting consistent zero retention and reliable field readiness.