DPM Springfield Armory Hellcat PRO 3.7in Mechanical Reduction System Stainless. As always DPM products are designed and developed with users safety as a priority. Exceptional manufacturing and engineering using high-end materials. Specifications for DPM Springfield Armory Hellcat PRO 3.7in Mechanical Reduction System: Manufacturer: DPM Color: Stainless Fabric/Material: Stainess Steel Gun Make: Springfield Armory Gun Model: Springfield Armory Hellcat Pro Package Contents: DPM Springfield Armory Hellcat PRO 3.7in Mechanical Reduction System What firearm models does the manufacturer say DPM Springfield Armory Hellcat PRO 3.7in Mechanical Reduction System is compatible with? The manufacturer says that DPM Springfield Armory Hellcat PRO 3.7in Mechanical Reduction System is compatible with Springfield Armory Hellcat ProDPM MS-SPR/22: Springfield Armory Hellcat PRO 3.7in Mechanical Reduction System Stainless