DPM Walther PDP F 3.5in Telescopic Recoil Springs 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 Walther PDP F 3.5in Telescopic Recoil Spring: Manufacturer: DPM Color: Stainless Fabric/Material: Stainess Steel Gun Make: Walther Gun Model: Walther PDP F-Series Length: 3.5 in Model: PDP Features of FAB Defense Walther PDP F 3.5in Telescopic Recoil Spring Faster follow up shots Improved firing speed Slide and Frame Protection Elimination of jams Significant recoil reduction Better double-tap concentration Better control and greater accuracy Package Contents: DPM Walther PDP F 3.5in Telescopic Recoil Spring What firearm models does the manufacturer say DPM Walther PDP F 3.5in Telescopic Recoil Spring is compatible with? The manufacturer suggests that DPM Walther PDP F 3.5in Telescopic Recoil Spring is compatible with Walther PDP F-SeriesDPM MS-WA-12: Walther PDP F 3.5in Telescopic Recoil Springs Stainless