Element M105 Oil Temper Spring is a high quality upgrade spring designed for AEG airsoft guns. It delivers approximately 330-360 FPS, making it an ideal choice for CQB reliable and balanced kits with an emphasis on consistent performance and long mechabox life.

The spring is made of oil-tempered steel wire, which offers high resistance to material fatigue and stable properties even in long-term use. Irregular winding (irregular pitch) helps reduce vibration and improves smooth running.

Features:

• Designed for AEG mechaboxes
• M105 (approx. 330-360 FPS)
• Oil-tempered steel wire for long life
• Irregular windings for better stability and lower vibration
• High quality Element brand workmanship
• Ideal for upgrades and tuning

The spring has a designated mounting direction - the narrower part belongs to the spring guide and the wider part belongs to the piston. Correct orientation is important for optimum function and durability.

Weight: 20g