Pinty Bullpup (Thumper/Striker) Brass Hammer Weight

6.8gram with 4mm preload brass hammer weight machined for the Pinty bullpups. This will allow you to up the reg for more fpe or assist with longer dwell time. I got around 15fps just with the install. You will be utilizing the brass hammer weight itself and the brass rear spring guide that comes with it. You will use your existing factory spring. CNC machined from Brass 360

What’s included-

x1 Brass hammer weight 

x1 Brass rear spring guide