BLS Perfect Biodegradable BB - 20KG Bulk (0.30g) AEG Hopup and Units Compatible with most G-series/Glock 17

Compatible with most G-series/Glock 17 or 18c GBB Pistols

It provides full compatibility with micro-switches

real steel markings

Built Material: Oil Quenched/Tempered Si-Cr Alloy Steel Wire

Mini HPA tank that works the best with tank stock on airsoft rifles

BLS Perfect Biodegradable BB - 20KG Bulk (0.30g) AEG Hopup and Units Compatible with most G-series/Glock 17Not eligible for Free Shipping. Specifications: 6mm Material: Biodegradable PLA 20 KG Bulk Box BLS is the professionalproducer of BBs from 0. 12g low level to 0. 50g high grade for several dozens of kinds, and trusted by Airsoft manufacturers all over the world. BLS focuses on the best of stable quality and are environmental friendly, we have all certificates of ISO 9001 quality management system and ISO 14001 environmental management system.