S&W M&P Certified Spring - 13 Lb. Cs S&W M&P Spring

CAD designed and manufactured to aerospace specifications from chrome silicon 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) flat springs available in reduced power 13 lb. weight. Factory weight is 16 lb. Mfg: Ismi SPECS: Chrome silicon flat wire.