AMP M160 irregular Pitch Airsoft AEG Upgrade Spring ~625-700 FPS

For experienced players only. Using high powered springs will result higher wear and tear than normal.
FPS Output: 500~560 FPS
Manufacture: AMP / Spartan (USA) Classic Army / VFC (OEM)

Features:

• Irregular pitch spring coils: Variable tension. Reduces stress, wear and tear for your gearbox
• Strength: Made out of stainless steel. Increased tension and durability. Tension lasts 50% longer than other leading brands
• Compatibility: Designed for all versions of Airsoft AEG gearboxes

Evike.com Airsoft AEG Tip:

Always reset your spring by firing one shot in semi-automatic before putting it away.
M120 / 190% or stronger spring upgrade may require reinforcement of other gear box internal parts.
9.6V or Stronger battery may be required to power higher than stock springs.

For more info on your Airsoft AEG gearbox please refer to our video guides.
Evike.com AEG Gearbox Guides

All Classic Army products, imported and distributed by Classic Army USA, hold a 90 day limited manufacturer's warranty within the United States. This 90 day warranty coverage is effective starting from the date of purchase. To gain this warranty coverage, you must register your product on our website product registration page. Proof of purchase from an authorized retailer will be required in order to gain warranty coverage. This warranty only applies Airsoft Rifles and is not applicable to accessories or spare / upgrade parts.