PolarStar Direct Attachment Direct Attachment:JACK Direct Attachment • Hydrophilic finish

• Hydrophilic finish

M5 Buffer tube screw 1x #23 HSS Drill Bit Grip screw pilot holes 1x Compression Spring Pusher piece — keeps engine seated forward 2x Bullet Valve Lead

its nozzle is spring biased forward which provides a consistent loading force regardless of operating pressure

• Hypoallergenic

then you will need to install the #11 nozzle for whichever system you are converting your replica with

PolarStar Direct Attachment Direct Attachment:JACK Direct Attachment • Hydrophilic finishThe Alignment Revolution is a Monolithic Assembly. If you've ever spent hours shimming a gearbox shell just to have your nozzle tilt . 5mm and ruin your grouping, you know the pain. We got tired of "good enough" alignment. So we made this. The PolarStar Direct Attachment is a replacement for the original front cylinder on your F2 or JACK. What gearbox does this fit? Short answer: it doesn't exactly need one. The Direct Attachment replaces the front