Maruyama MP9 Rotor Preorder The product will be made

The product will be made after preorders close and there may be extras made which will be available for sale after all items are made and in stock

Special chamfering of nozzle to give the best seal to the inlet valve

I would encourage you to complete this piston by buying Bavtechs Brass piston to complete this

the ambi catch sits more properly

The ability to secure the bucking slightly deeper or at the correct depth is retained and now uses the Tm GBBR Cut (more common cut)

Maruyama MP9 Rotor Preorder The product will be madeThe Maruyama MP9 is known to have issues with the hammer cam after a few thousand rounds of cycling. This rotor is a replacement for that cam that will increase reliability. Modification is required of the hammer to install the rotor. Heat treated 17 4 stainless steel Increases reliability Modification required for install