Worker Mod pull down Pulley Slide Ring for Harrier Blaster Modify Darts Toy Shoulder Stock Package Weight:165g

Package Weight:165g

Model:Stefan MK darts

Retaliator

Material:Metal

Compatible with 21mm Worker Mod Rail Mount or other 21mm rail

Worker Mod pull down Pulley Slide Ring for Harrier Blaster Modify Darts Toy Shoulder Stock Package Weight:165gDESCRIPTION 1. Compatible with workermod Harrier blaster. 2. Standard with pom roller, low resistance and more labor saving when loading, can also be replaced with metal bearing 3. When replacing with metal bearing, it will rub with the metal inner tube, which will cause scratches on the inner tube, but will not affect the function. 4. Suitable for people over 14 years old,because the installation of this product requires some disassembly capacity. 5.