OOD + FoamBlast Drum Magazine Spring

The OOD Drum Magazine Spring is a constant force spring designed to repair and upgrade Nerf full-length drum mags. Originally sourced by FoamBlast, these exceptional drum spring replacements provide more strength than the stock drum mag springs. This allows for a more reliable drum magazine feed rate. These constant force springs are also used in select other conventional mags, like the 3D-printed magazine for the Ehdrien Gecko.  

FEATURES:
• Drum Magazine Spring
• Repair or upgrade your Nerf Drum mags!
• Constant force spring provides a reliable feed rate
• Compatible with 18-Round*, 25-Round, and 35-Round mags
• Compatible with select conventional stick mags

*18-round drum mag requires glue to hold the spring