Product Description
Waldo Dynamics - 75% "Ion" Efficiency Hammer Spring for VFC AR/MCX
The One Spring You Need For Efficiency All Year-Round
Boost your VFC GBBRs performance year-round with the Waldo Dynamics Efficiency Hammer Spring, precision-engineered for the VFC AR and MCX GBBR platforms. Designed at 75% strength, this hammer spring delivers improved gas efficiency over the stock component but can still be used all year around.
That's right; despite this being an overall weaker hammer spring you can still use this in peak summer on your usual green gasses. They performed some extensive testing in the last few months in climates all over the world and found no issues with it's capabilities. This is just a very simple upgrade over the stock spring that can be installed within 3 minutes.
Finished in a distinctive blue coating, the finish not only reduces friction (giving you a butter smooth shooting experience) but it also helps you tell it apart from other springs you may have.
This product is compatible with;
- All VFC AR based GBBRs (KS1, BCM, URGI, XM series etc)
- VFC 416 GBBR
- APFG MCX GBBR
More About Waldo Dynamics and why Amped Airsoft Carries Them:
Waldo Dynamics is a premium U.S.-based brand known for engineering precise, high-performance recoil systems and springs for popular airsoft platforms like Hi-Capa and AAP‑01. Their Ion line delivers consistent and responsive blowback behavior, making them a favorite among competitive players seeking reliability and customization.
To view our full selection of Waldo Dynamics products click here!