Quote Originally Posted by Stickman View Post
1- For clarification, the switchblock was prefit and drilled for that barrel?

2- Noveske uses a drillpress and jig, whomever you received that email from has no idea what they are talking about.

3- Write back and ask what written policy they have for acceptable +/- tolerance for switchblocks, and as to see it.

4- There are multiple AR15 armorers on this board, including myself, and none of them are impressed with that installation if it is assembled properly.

ETA 5- I would wonder how the extension / index pin is in relation to the port, I would also wonder about gas tube alignment.
Correct, they were purchased together, sold as a unit. Response was from a Mason Davis in customer service.

I'm going to take it all back down to see what, exactly, is off.