WORKER Fiber Optic Adjustable Iron Sight, Sight for 21mm Rails and WORKER Series Blasters XM8 rifle please see the size chart

please see the size chart for details

Note: When adjusting the fishing line

stronger touch

Accuracy: Worker oblique position flywheel set

This shoulder stock in exquisite workmanship and proper weight is durable to use and high-end

WORKER Fiber Optic Adjustable Iron Sight, Sight for 21mm Rails and WORKER Series Blasters XM8 rifle please see the size chartRear sight is adjustable left and right, suitable for various occasions. Brand new fiber optic sight, compact and lightweight, compatible with 21mm rail blaster. The rear sight is slightly higher than the front sight for ease of use. Material: ABS Product Weight (g): 14g Color: Black Craftsmanship: High precision injection molding.