OX yellow accelerator spring to fit Diana Model 27

The NEW OX Yellow Accelerator mainspring is Furnace Bake-Coated with MOLYBDENUM & PTFE For Progressive Lubrication & Rapid Acceleration For Up To 40 per cent more compressed poundage than conventional mainsprings.

Available for a variety of Air Rifles, OX Springs are the worlds first Square Section air rifle mainsprings available to the public. Manufactured from Swedish High Content Chrome-Maganese – Carbon – Silicon – Tempered Spring steel, offering tensile strength in excess of 250,000 lbs per square inch.