A spacer for adjusting initial velocity compatible with various bolt action large diameter spring standards of Φ13mm.
Can be used with the following piston internals and spring guides:
- Compatible piston inner diameter: Φ13mm or more
- Applicable spring guide outer diameter: Φ9mm or less
Each sheet is 2mm thick and weighs 0.19g.
Each package contains 10 pieces, and the initial velocity can be fine-tuned by increasing or decreasing the number of pieces.
For detailed instruction manual and usage instructions, please click here.
List of compatible models and parts (as of December 13, 2022)
- SILVERBACK AIRSOFT SRS (pull cock) series spring guide & piston interior
- ARCHWICK Mk13 Series Spring Guide & Piston Internals
