Sphinx SDP Improved Hammer Spring & Firing Pin Spring

(4 customer reviews)

$19.99

  • Reduced power firing pin spring and hammer spring drops trigger pull 1-3.5lbs (SA & DA)
  • Fits SDP, Duty, Subcompact, and all Phoenix Fusion pistols
SKU: SDP Spring Categories: , Tag:

Description

ZRTS is now offering upgraded hammer springs for the Sphinx SDP line. These replacement springs will drop the single action pull 1lb and the double action 3-3.5lbs. Great upgrade for any owner! Includes firing pin spring to increase reliability.  FPS may require installation by a gunsmith. Cross pin is directional!!

Additional information

Weight 1 oz

4 reviews for Sphinx SDP Improved Hammer Spring & Firing Pin Spring

5 star
75%
4 star
25%
3 star
0%
2 star
0%
1 star
0%
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  1. Joshua Timmons (verified owner)

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  2. Nathan (verified owner)

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    Very easy install, though a print out for the firing pin spring would be nice. You can feel the signal action reduction slightly. The real improvement is with the double action. Much lighter and smoother. Absolutely worth the $20 price tag.

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  3. Dillon W. (verified owner)

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    Super easy to install. Prefer this rather than another manufacture’s trigger kit that includes a new firing pin. Sphinx quality doesn’t need a new firing pin. Just springs to lighten up the DA. This does the job perfectly and does it for a perfect price. Really helped the DA pull. Didn’t think the SA improved too much as it was already pretty nice. Overall it’s a must have!

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  4. Joe A. (verified owner)

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