Brownells.com
#321 S&W J Frame Spring Kit - Wilson Kit # 321
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From Brownells.com
High quality springs drop-in to improve handgun performance. High tensile strength wire delivers reliable function. #321 S&W J Frame Spring Kit - RP 8 lb hammer spring; RP 13, 14 & 15 lb rebound springs. Mfg: Wilson Combat SPECS: RP = Reduced Power, XP = Extra Power.