Powder River Precision PRP Hellcat Sear Housing Pin Retaining Spring Pack of 3 Springfield Hellcat. Sold in a set of three in a storage vial so you can always have a spare on hand. Our spring clip is a replacement item for part #20 on your Hellcat owners manual diagram. made in specialized factories. Specifications for Powder River Precision PRP Hellcat Sear Housing Pin Retaining Spring: Manufacturer: Powder River Precision Gun Make: Springfield Armory Gun Model: Springfield Armory Hellcat Package Contents: Powder River Precision PRP Hellcat Sear Housing Pin Retaining Spring What firearm models does the manufacturer say Powder River Precision PRP Hellcat Sear Housing Pin Retaining Spring is compatible with? The manufacturer suggests that Powder River Precision PRP Hellcat Sear Housing Pin Retaining Spring is compatible with Springfield Armory HellcatPowder River Precision PRP-HV1-SPC3: PRP Hellcat Sear Housing Pin Retaining Spring Pack of 3 Springfield Hellcat