HK HK417/MR762 Magazine Catch Spring Features The HK HK417/MR762 Magazine Catch Spring is built to the same manufacturing standards as the original component ensuring correct fitment and consistent tension within the MR762A1 lower receiver assembly that maintains positive magazine retention and clean reliable magazine releases through thousands of cycles. As a factory HK component it matches the original specification precisely preserving the consistent magazine catch engagement that MR762A1 owners depend on for reliable feeding and fast positive reloads under any conditions. Its factory origin guarantees the compatibility and long-term performance that aftermarket spring alternatives cannot replicate on a professional-grade 7.62mm platform. Correct magazine catch spring tension is critical to both positive magazine retention during operation and clean magazine drops during reloads and this factory replacement restores that function to the original design specification without compromise. Simple to install using standard armorer tools it eliminates the guesswork and fitment risk associated with non-factory spring replacements in the MR762A1 s lower receiver magazine catch assembly. For MR762A1 owners and armorers who demand factory-correct components throughout their lower receiver this magazine catch spring is the only acceptable replacement. HK HK417/MR762 Magazine Catch Spring Specifications Manufacturer: Heckler and Koch Model: HK417/MR762 Magazine Catch Spring Firearm Fit: HK MR762A1