Genuine Air Arms accessories and spare parts – from seal kits to spare magazines to the tactical conversion stock. Back to the Air Arms overview.

Order Air Arms Accessories Online

Here you'll find genuine accessories for your Air Arms S400, S410, S500, S510 and TX200/Pro Sport – from maintenance parts to spare magazines to a complete conversion stock. Keep your rifle service-ready for years and extend it as needed.

Maintenance and Spare Parts

For the PCP models S400/410 and S500/510 there's a complete seal kit with all the common O-rings and seals for self-maintenance. For the spring-piston models TX200/Pro Sport we offer the service kit including main spring, piston seal, piston bearings, barrel seals plus Napier airgun grease and oil with instructions – letting you fully overhaul the rifle yourself.

Magazines and Pellets

The grey spare magazine (4.5mm, fits S410/S510) is an easy-to-load rotary magazine – handy as a spare when you don't want to keep reloading at bigger events or during rapid-fire practice. For matching ammunition we offer Diabolo Field Domed pellets (.177/4.5mm caliber, 4.52mm, 0.547g/8.4 grain), a popular all-round choice with consistent manufacturing quality.

Mounting and Attachment

For bipod users there's the matching bipod mounting screw. If you want to retrofit or replace the sling attachment on the Ultimate Sporter, you'll find the front sling loop here. The spare fill adapter is handy if your original fill probe wears out or as a backup for on the go.

Tactical Conversion Stock AR301A

The tactical stock AR301A turns your Air Arms rifle into a tactical platform with room for further accessories. Compatible with S400, S410, S500, S510 Carbine/Ultimate Sporter, MPR and HFT500 (built after 2011) – not suitable for TDR models or the S510 Twin Cylinder. Included: AR stock main chassis, forend, stock mount, Mil-Spec buffer tube, and an 11-slot rail. Magpul add-on parts are not included.

Frequently Asked Questions About Air Arms Accessories

Does the seal kit also fit the S400 Sniper and S510 TR Tactical?

Yes, the seal kit is designed for the entire S400/410 and S500/510 lineup, so it also fits the Sniper and Tactical variants since they're built on the same base system.

Can I mount the AR301A tactical stock on any Air Arms model?

No, it's compatible with S400, S410, S500, S510 Carbine/Ultimate Sporter, MPR and HFT500 (built after 2011). It's not suitable for TDR models or the S510 Twin Cylinder – check your exact model before purchasing.

How often should I use the TX200 service kit?

There's no fixed interval; with regular use, an overhaul is recommended once shot performance noticeably drops or after several thousand shots – the kit includes all common wear parts for a complete service.

What caliber are the Diabolo Field Domed pellets?

The Diabolo Field Domed pellets are .177 caliber (4.5mm) with a 4.52mm diameter and weigh 0.547g (8.4 grain) – suitable for all common 4.5mm air rifles.