Air gun charging bottles and fill gear cover the parts that keep a PCP rifle or pistol topped up, plus the CO2 consumables and seals that keep gas-powered guns running properly. This range includes charging bottles, charging cylinders, fill kits, hoses, adaptors, probes, seals and CO2 lines from brands such as Best Fittings, Midland Diving, Air Arms, Umarex, Weihrauch, BSA Guns and Daystate. Buy online with fast UK delivery.
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Most shooters use these terms to mean the same thing. In practice, you are choosing a high-pressure air source for PCP filling, then matching it with the right valve, hose and rifle adaptor. If you already know your rifle’s fill system, the important part is buying a setup that matches both the bottle fitting and the gun end.
For many buyers, the real decision is not just bottle size. It is whether the kit has the correct hose, gauge, DIN fitting or quick fill adaptor for the rifle in front of you. This is where Best Fittings lines earn their place, especially if you are piecing together an airgun charging kit around an existing bottle or replacing one worn part rather than starting again.
If your rifle uses a probe or brand-specific adaptor, fit matters more than anything else. Air Arms fill adapters, quick fill charging adaptors and pump adaptors need to match the rifle exactly, otherwise you end up chasing leaks, damaged seals or awkward filling.
Not every job in this section is about a full PCP charging rig. Filling hoses, probe seals, cylinder seals, piston seals and small O-rings are the parts that often get a gun back into use without replacing the whole setup. That is why this range includes items such as Daystate probe seals, Weihrauch HW40 piston seals and Umarex cylinder seals alongside larger charging components.
CO2 shooters also need the right consumable for the gun, not just any cartridge that happens to fit in the bag. A 12g CO2 capsule and an 88g CO2 cartridge serve very different platforms, so it pays to check the gun’s designed power source before ordering spares.
If you mainly fill at home, a bottle and hose setup is usually the straightforward option. If you are replacing worn adaptors, seals or hoses, it is often quicker and cheaper to refresh the existing setup with the exact part you need. For the rest of your accessories, browse our full Slings, Holsters & General Accessories range.
For most buyers, there is no practical difference in the wording. Both usually mean a high-pressure bottle used to fill a PCP air rifle or pistol. The key point is matching the bottle setup to the correct hose, valve and rifle adaptor.
The useful parts are the ones that match your gun properly. That normally means the correct bottle fitting, hose, gauge and either a probe or quick fill adaptor that suits your rifle. A kit with the wrong adaptor is more trouble than a basic setup with the right one.
Yes. Quick fill adaptors and fill probes are not universal across every make. If your rifle uses an Air Arms style adaptor, a different probe or fitting is not a good substitute, and it can lead to poor sealing or awkward filling.
Often, yes. Worn hoses, probe seals, cylinder seals, piston seals and small O-rings are common service items, and replacing the failed part is usually the sensible fix if the rest of the setup is sound.
They are different sizes for different guns. A 12g CO2 capsule suits guns designed around the smaller disposable format, while an 88g cartridge is for models built to take the larger cylinder. Always match the cartridge type to the gun’s intended system.
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