Technical Specifications

System Type: Full Caliber Conversion Assembly.
Installation: Direct replacement (modular design). Requires standard hex tools and moderate technical skill.

Inside the box

Huben · Caliber Conversion Kit for GK1

Shipping

Shipping (UK)

Delivery in 3–10 working days.

Shipping costs depend on order value:

£0–£99.99 → £19.99
£100–£199.99 → £14.99
£200+ → £9.99

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Caliber Conversion Kit for Huben GK1 Air Pistol

£649.00

Tax included.

This kit will allow you to change the caliber of your GK1. Move up from .177 or down from .22 according to your needs! The kit includes the entire barrel/mag assembly, which are the only parts that differ between calibers.

CALIBER: .25 (6.35 mm)

.25 (6.35 mm) .22 (5.5 mm) .177 (4.5 mm)

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