Replacement hammer spring adjuster combined screw and guide for the following FX air rifles.
– Tornado
– Typhoon
– T12
– T12 Whisper
– Biathlon

Available in 2 versions:
Part 11030 suitable for UK spec (sub 12ftlb / 16 joules)
Part 11541 suitable for high power >12ftlb / 16 joules – (no spring guide)