Description
High-quality 4UANTUM Friction hop-up bucking by 4UAD for GBB / VSR rifles.
Redesigned nub for perfect range and accuracy.
Capable of hop-up for heavy sniper BBs up to 0.48g.
Traditional single-point nub with minimal room for BB misalignment.
Accuracy, range, and precision, that’s what it’s all about!
