S200 Stainless Steel Larger Bolt Handle, this is made of Tough Stainless Steel so is less likely to break, as can happen with the Plastic or Aluminium one. The plastic one is smaller and has a very poor...

For my Air Arms S200 Stainless Steel 177 probe O rings ONLY, pack of 5 with a small sachet of Moly O ring seal lube. Select calibre in the drop down menu This if for the type with the bolt that goes through...

Air Arms S200 Fraction longer Bolt probe in .177 or .22 please select under the options tab. Does not include the handle and cap which can be added under the option tab. This if for the type with the bolt...

Cocking Pin for the S200 with Stainless Steel Rollers. This is made of the tougher Stainless Steel so is less likely to break, as can happen easier with the mild steel one. Avoid using exsesive force to...

Air Arms S300/S310/S400/S410 Kits Include four different Strength hammer springs + 2 X Exhaust Valve Springs (for Advanved tuners) + 3 X Reservoir seals + lube + grease for the seals. We also make a new...

Pack of 2 different strength exhaust valve springs for advanced tuners. Always check the power to make sure the gun does not the legal limit.

Adjustable pot for the Air Arms S300 and 310 but it will fit straight on the S400/410 models to make that gun with an adjustable pot for more control over lock time etc. The pot on the later models is...

Air Arms S300/S310/S400/S410 Exhaust Valve (some call it a firing Valve) made Slightly longer on the pin end and a fraction shorter on the spring holder end, for more opening time and control of lock time...

j Air Arms S300/S310/S410 Four different Strength hammer springs, ranging from low to strong strength. Photo is a general photo of Theoben hammer springs. The set here is for the S300/310/400/410 models,...

General O ring set for the Air Arms S300 to S410 including a sachet of Seal lubricant. This set includes the large reservoir seals, Transfer port, Bolt barrel seals, but not the probe as they are calibre...