Nerf Ontos Ram for Compatibility with Strong Mag Springs (Nerf Pro and Drum Spring)

An ram that decreases the size of the cutouts on the tip to increase compatibility with strong mag springs
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updated July 31, 2025

Description

PDF

This alternative ram for the Ontos blaster reduced the amount of misfeeds and misfires from using magazines with stronger springs like the Nerf Pro Stryfe X magazines and drum spring based magazines. The original ram would pinch darts that were seated too high and cause misfires. This ram allows improperly seated darts to funnel into the breech without catching on the ram.

 

Prints using the same settings as the original.


FreeCAD source included.

Tags



Model origin

The author remixed this model.

Differences of the remix compared to the original

Reduced the size of the cutouts on the ram

License