G&G Competition Grade Bio BB (0.25g / 0.28g) Weight:0.28g Improved hop arm for better

Improved hop arm for better contact and consistency

Front Rail System for Tactical Accessories

Installation should only be undertaken by very experienced airsoft gunsmiths as it requires a lot of modification and careful tuning

Perfect replacement for your Tokyo Marui

P229 etc the bottom of the magazine will not sit flush

G&G Competition Grade Bio BB (0.25g / 0.28g) Weight:0.28g Improved hop arm for betterG&G 0. 25g Competition Grade 6mm BIO BB 1KG Bag are BB's created by G&G (Guay Guay), who create a range of high quality BB guns and related products, with these BBs being some of the highest quality in the sport. The BBs themselves are specifically designed to be Bio Degradeable, being constructed from Polylactide PLA Polymers to a diameter of 5. 95mm with a great tolerance of 0. 01mm. The BBs are quick to degrade, taking only 47 days in optimal