JY SVD Gel Blaster Upgrade Plunger or Spring

These upgrade parts will improve the durability and firepower of the jieying svd gel blaster.

Specifications:

Brand: jy (swift hawk).

Material: metal.

Spring tye: 1.4mm.

Compatibility: jy svd gel blaster without shell ejection.

Pacakge includes: 1* jy svd plunger or spring upgrade part.