Stryker 2.0 Spring Tuning Spacer Set

The Dart Zone Max Stryker 2.0 Spring Tuning Spacer Set uses a series of spacers to fine-tune the performance of the Stryker 2.0 with the installed spring. This set includes one full-size spacer and two half-spacers to add pre-compression to the stock spring in simple increments without tools. *Please do not store your blaster with the spacers installed!  FEATURES:• Stryker 2.0 Spring Tuning Spacers• Set of three spring spacers• Fine-tune the performance of your Stryker 2.0• Toolless install• Designed for the Dart Zone Max Stryker 2.0• Compatible with select other blasters with 18-20mm OD springs INCLUDES:• 2 Full-Size 20mm Stryker 2.0 Spring Spacers• 1 Half-Size 10mm Stryker 2.0 Spring Spacer PERFORMANCE:Average FPS (Standard Deviation) with the stock spring and barrel• 187 (3) stock (without spacers)• 197 (2) with 1 full-size spacer• 249 (3) with OOD 1.9mm Spring + 1 full-size spacer• 148 (9) with OOD 1.5mm Spring + 40mm of spacers SPECS:• Material: PLA Plastic (printed in multiple