MODIFY – 70 Degree X-Range hop-up bucking for GBB/ VSR-10

The highest quality Hop-Up bucking made of silicone by Modify, a company known for its reliability. The bucking has a special design that ensures better tightness and spinning of the BB, which translates into increased range and accuracy.

The bucking is designed for mounting in GBB, VSR-10 and similar gas powered replicas.