New Upgrade "2 Ring+" Hop Up Bucking for Modify Hybrid Inner Barrel

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GB-05-61
Modify New “2-Ring+” Hop Up Bucking for Modify Hybrid Inner Barrel



Re-modify the 3-rings model. New upgrade version 2-ring+ brings the better performance.
It is perfect for the Modify Hybrid Inner Barrel.

Material: aircraft rubber
1st GRADE of HOP UP BUCKING…ACCURATE
Features:
1) 2-Rings make the excellent air seal.
2) Rebuilding the internal dimensions allows the BBs smoothly go in
3) Excellent compression set
4) Superior tear resistance
5) High abrasion resistance