ARCTURUS GBB Heavy BB Cold-Resistant Performance Hop-Up Bucking for TM/VSR-10/M1911A1/SIG/G-Series/WE

Specification

• Compatible: Arcturus Tactical Vanguard
• Details: Unique Rubber Formulation for Great Performance in Both Cold and Warm Environments. Optimized Accuracy and Adjustment Range for Heavy Weight 0.28g to 0.36g BBs