gap 10 gas block

[CST]

I used to have georges first generation ar10s..the gas block was set screwed wih 2 deep dimples..are the newer gap 10s still set scrwed or pinned?

 

[ericf]

My GAP 10 has the Noveske switchblock and it appears to have one set screw in the bottom

 

[308sako]

One week old GAP 10, Noveske Switchblock

 

[CST]

thanks guys! i wonder why George never pins the blocks,,,,? Especially if the guns get used as a duty rifle