Stretching a coil spring destroys its temper, so you'll need new mag springs, shortly.
The pictured Taurus part looks like it will ride lower in the frame than the Springfield part, and bending the magazine follower tab downward slightly should balance that. That is, the follower is contacting the slide stop prematurely, because the latter is riding too low relative to the frame. The Taurus part looks like cheap MIM, and I'd probably replace it with a machined barstock part from Colt, or EGW.
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