Quote:
Originally Posted by hawaiianjon
I have both bolts, the TechT bolt does not increase FPS it actually decreases FPS by about 15, that is after I changed the orings to the bigger ones that fit tighter. Previously there was about a 30 FPS difference. Not much of a sound signature difference. The premium bolt is better IMO maybe not worth 100 dollars but better than the TECT hush bolt.
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The FPS difference with the Hush bolt will vary depending on the tolerances of the top tube. Many of the original G6Rs varied slightly from front half to back half and most G6Rs also vary from one another slightly in terms of the bore of that top tube. If you have a body with a tighter top tube bore, I could see how the Hush bolt could actually decrease velocity. For my G6R this simply wasn't the case.
My G6R is old (purchased about a week or two after release) and my front and rear half internal dimensions also do not match perfectly. For me in my testing I found it increased my FPS with the larger O-rings included in the kit and that those o-rings placed on the stock bolt also increased my fps. YMMV however for me the Hush bolt is a tighter fit both in bolt dimension and then even more so with the larger included O-rings and the combination of both does yield me higher fps. I stand by my statement now as I did with my original Hush bolt review, that the O-rings are above and beyond the larger contributing factor to the fps gain. The tighter O-rings can also negatively effect your shot to shot consistency if your specific G6R doesn't require larger O-rings (hence some testing data by other users). Overall the o-ring size and bolt dimensions on the original stock bolt provide optimum consistency with all G6R bodies which is probably why Bob made them the way they did.
Not to compare the Premium bolt to the Hush bolt but from what I am reading, I tend to tentatively agree with you that the Premium Pillow is probably the better performing bolt (although I haven't gotten to use it yet). I like the fact that the added inertia allows you to run some lower pressures. This could help further improve paint handling which is always a good thing. I will also edit my original post to say "generally" since obviously my experience isn't the case with every user.