MindTheGAP
Active Member
Also... has anyone here used their polys on a MechTech upper. I imagine it should work fine, but wanted to see if anyone has done it.
Would be nice to have a combination pistol / rifle tucked away built on an 80%.
https://mechtechsys.com/Cart/tabid/6645/Default.aspx#!/The-Executive/p/141423049/category=35674064
Yup, did so with the 2nd gen 17. Works great, though VERY tight lockup.