HLF XYL ARP9 Battery Extension with 2 rotating barrels and

with 2 rotating barrels and fed by 2 hopper gel ball bottles

The adjustable military-grade nylon strap ensures a secure

Applicable for buttstocks

【SAFE MATERIAL】These water beads are made of polymer material

Color: black / tan / silver

HLF XYL ARP9 Battery Extension with 2 rotating barrels andThis ARP9 Battery Extension to provide an additional 35mm of space for most AR toy gun batteries. Made with durable 3d print pla material, this extension is compatible with both xyl arp9 and hlf arp9 gel ball blasters and airsoft guns. Specifications: BrandL XYL Material: 3d print pla. Length: 35mm. COlor: black. Package includes: 1x arp9 battery extension.