21mm Upgrade Upper Rail For Ball Blaster JinMing Gen8 M4A1 Zinc Material

21mm Upgrade Upper Rail for Ball Blaster JinMing Gen8 M4A1 Zinc Material

: Black
Material: Zinc
Size: 14cm x 2.1cm

Features:
-Update your old or damaged parts.
-Stable characteristics, high reliability.
-Compatible with JinMing Gen8 M4A1.
-Upgrade Zinc material,more sturdy and durable!

Package included:
1 x Upper Rail

Notes:
1. Manual measuring, please allow 1 ~ 3mm error,thank you.
2. Due to the difference between different monitors, the picture may not reflect the actual of the item. We guarantee the style is the same in the picture.








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