Angel Custom PSS2 Mega-Up APS / Type96 Power Up Spring - SP170 (480~550 FPS)
Features:
- Oil Tempered with high pressure treatment
- Progressive design, or "Irregular pitch", minimizes spring resistance making it easier to pull the bolt back
- Constructed out of 1st class carbon steel piano wire
- Long lasting durability and high performance output
Spring Type: SP170 Irregular (Progressive)
Spring Velocity: 480~550 FPS (velocity will vary depending on modifications done to rifle, manufacturer of rifle, and internal parts used)
Compatibility: For UTG, Shadow Op, MB-01 and other compatible APS / Type96 series Airsoft Spring Sniper Rifles
Material: Carbon Steel piano wire
Manufacturer: Angel Custom