Board Thread:General Nerf discussion/@comment-3362895-20191231132404/@comment-27306930-20191231155740

The Nailbiter is not suitable for any substancial performance mods, in my opinion. It's possible to upgrade the main spring, but the rack and pinion system that's used to prime the plunger is not very robust, and the tolerances are sloppy.

BTW, love that blue Kronos ❤️