Sphinx SDP Improved Hammer Spring & Firing Pin Spring

(2 customer reviews)


Must have for all SDP owners!

SKU: SDP Spring Categories: , Tag:


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

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

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  1. Joshua Timmons (verified owner)

    Verified reviewVerified review - view originalExternal link

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