CMC Products M-RP-9FS10-B is a testament to American ingenuity, specifically designed for firearms enthusiasts seeking superior performance and reliability. This high-quality component features a smooth finish for effortless use, ensuring that your firearm operates at its best. The heavy-duty spring provides long-lasting tension and durability, enhancing overall function. Smooth Finish Easy Insertion / Removal Heavy-Duty Spring for Long-Lasting Tension and Durability Elevate your shooting experience with CMC Products M-RP-9FS10-B, where quality meets precision engineering.