CowCow Supplemental O-ring for Hi-Capa Blowback housing
Supplemental black O-Ring for our B01 Dynamic Blowback Housing which can fit perfectly to most commonly used nozzle on the market. These O-Rings are anti-oil and reduce the fiction during cycling. Comes with 3 different sizes allowing enhanced personal customization of your Hi-Capa gbb gel blaster.
- 3 different sizes 9.5mm*2mm, 9mm*1.9mm & 9mm*2mm
- Anti-oil O-ring for prolonged durability
- Reduced friction during BBU cycling
- Perfectly fits most commonly used nozzles on the market
The dimensions of the 3 different sized O-rings use this formula (inside diameter * cross section)