Here are the parts that make up the custom spring guide kits. Tivar 1000 rear spring guide machined for stock spring or after Market springs. Naval Brass top hat that comes in either a standard version. Also you have a Timken Needle thrust bearing option.

Gamo Guide Kits

The Brass top hat can be had in many different weights from 26 grams to 55 grams. Gamo uses mostly two kinds of top hats, a one piece at 47.5 and a two part hat steel/plastic one at 33.5 grams, the brass top hat is 48 grams standard.

I have now introduced a NEW Guide material for my guide kits, its product called TivarŪ 1000 Ultra High Molecular Weight, (UHMW-PE) It is a plastic with almost the same friction specifications as Nylatron, but has a smoother softer surface that is a lot quieter in operation. It has the highest impact strength of any plastic and a higher tensile strength than Nylatron. I started to use this product when I noticed that my rifles after a thousand or so pellets they seemed to be getting a harsh sound to them. This was as the spring tar was getting disbursed along the spring the spring was losing its cushion between the spring and the guides. This new Plastic has cured that problem. Anyone who has the Nylatron guide and wants the new style just email me and I'll send you a new guide made out of Tivar 1000.

New Guide Kit Material

Guide Kits are made for a Home tune up, it is just the guides and no spring or lubes are included.

I also have them for the Quest and B18/19

I can make custom spring guides and top hats as per your dimensions

The new kits with a E2000 spring do NOT come with the friction disc because of the longer spring