Designed For Maximum Consistency & Reliability

CAD designed and built to aerospace specifications from chrome silicon, corrosion resistant, stainless steel or chrome vanadium for maximum durability, consistency and reliable performance. Built to aerospace specifications; heat treated, shot peened and fully stress relieved to minimize spring set. Chrome silicon (CS) recoil springs available in extra power for HK MP5/M94 machine pistols. HK P7 recoil springs available in 22 lb. Factory weight is 21 lb.