would it be possible to just gut the cp reg and use that as the grip? bike grip wouldn't work, those things are loooooong.
another option would be to cut the pmi gas-thru with a hacksaw, clean up the bottom, re-drill (if needed) and re-tap the hole for 1/8" npt threads.
or have a machinist make you a custom gas-thru grip.
or get a different gas-thru grip, like a cp or a benchmark mini gas-thru if you can live without the 15-degree vasa. or a black logic gas-thru if you can find one.
the spyder one is 4.5 inches. i need something under right at or under 4", plus the metric macro fitting wont work with the ccm fitting im going to use.
bike grips are too long and too bulky.
i work till 5 and i cant get ahold of CP to find the measurments of those teardrop milled gas thrus.
and there im not getting rid of the 15* vasa, its part of the gun i love.
ccm fittings with hardline
luke milled rt rail
xvalve w lvl10
its what ive been looking for in a mag, just need a gas through thats 4" or slightly under for everything to fit together nicely