**Needs to be used with the R-HOP patch - not included with this bucking**
 
*R Hop ready, mound free and smooth internal bucking surface makes away with the hassle of bucking modification for R Hop patch use.
 
Designed for GBB's / VSR-10/ Striker
Special Airtight Design
No mound
High Tensile Strength
Excellent Cold-Resistance
High Abrasion Resistance