A shaving razor cartridge with a housing with a guard and a cap. At least one blade is mounted to the housing. The at least one blade has a cutting edge. At least one blade registration member is mounted to the housing. A blade retention member secures the at least one blade between the blade registration member and the blade retention member. The blade registration member has an unsupported region with a span of 0.25 mm to 5 mm between a pair of supported regions.