Modify Sora R-hop Mound Rubber for VSR-10/ GBB (60 DEG)

- - For GBB / VSR-10
  - Special Airtight Design
  - No mound
  - High Tensile Strength
  - Excellent Cold-Resistance
  - High Abrasion Resistance

**Need to be used with the R-HOP patch**
*R Hop ready, mound free and smooth internal bucking surface makes away with the hassle of bucking modification for R Hop patch use.
*Compatible with most of the markets leading R Hop products.
*No R Hop mound or separate patch included with bucking.