The recoil spring assembly in the 4.7 is longer than that in the 3.9. That's all that you will need.
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We’re you able to find a holster to fit the 4.7” barrel?Slide, barrel, and recoil assembly.
My original P329 AXG Classic carry, 9mm.
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With a full size .40S&W slide assembly.
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With full size 9mm natural stainless slide assembly.
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