MadBull: new target practice aluminum and glass BB

MadBull have some new aluminium and glass BBs suitable for target practice available now:

Gents, MadBull Target Practice BB is now available.

*This BB is not suitable to use at field. Only for Target practicing.

Features: No bubble. Perfect for target practice.

• Aluminum BB: 0.30g
• Glass BB: 0.28g

Thanks, (MadBull)