HK Hammer Spring USP 9/40/45, P30 V3 .40S&W
HK Hammer Spring for full size HK USP pistols. Fits USP 9mm, .40S&W and .45ACP models as well as the P30 V3 in .40S&W. May be painted blue or natural steel finish.
Genuine German factory H&K gun springs for your HK pistols.