Willyg1981
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Cr0-Magnon reacted to a post in a topic:
Defconairsoft
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I bought my g28 from them , it arrived I tested it through my chrono it was firing 280fps I rang them up , explained it was way off the expected 430fps , they agreed it should of been more And said it will be fixed for free and returned with a week , they arranged a pickup , they had it for well over a week , a Milsim I had booked in for was coming up which I wanted it for , I rang and asked if it was ready as they had had it for several days he said the tech was due in and would sort tomorrow , I said ok I’ll come and pick it up ,.... they following day drove 4 hrs to get it back , got there he brought it in and said all done firing 420-430 , new upgrade spring and new bucking . i took his word for it , got home test fired it , exactly the same 🤦♂️ , the gearbox hadn’t even been touched ,.never ever use them again !
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Hello everyone ,
I’m working on my stoner mk63 after initially getting it running very well 380fps ( french field limits) ....
it’s now developed a problem ,..huge loss of FPS ,..I discovered the new double o ring piston head had somehow tipped and caused it to scratch unported brass cylinder ,...
fast forward to now ,.. new stainless unported cylinder , new double o ring piston head , new double o ring Air nozzle and new spring m135 ,
it’s still no better 🤦♂️
I must of taken it apart 10-15 times now , it’s becoming a real pain in the ass.
I’m using guarder teflon grease on piston head and abbey silicon oil on o rings
abbey black grease on grease ( using a small painting brush to apply the grease) to these parts so not overkill at all )
Any ideas ?????
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The stock version is 19.40 and the new one is 19.50 , Surely that is close enough and the fact it’s a tiny bit longer would give a better air seal into the bucking 🤔
the hop is the same as it’s always been,.. the only thing Iv done around that area is change the bucking and r hop the barrel ,
I had it at 400 FPS the very first shot And then levelled off around 370-380 and it worked amazingly well for around a day lol
then I noticed the change in range and this is when I discovered the damaged cylinder
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I too discovered a second hand Tm mp7 gbb and followed both of his vids religiously and I think I watched the longer one around 30 times lol , I filed and polished the sears and got it working like a brand new gun again , spent quite a few hours/ days upgrading and tuning and ended up with a seriously awesome little rif kicking out 375fps (Playing in France ) 😁
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Evening everyone,
Ok so what with this lockdown Iv been doing a fair bit of work on my g28 , it’s not stock
list of upgrades so far ,
retro arms box
m140 springhighly polished unported brass CYMA cylinder
aluminium double o ring nozzle
Prometheus night torque gears 18:1
infinty cnc 18000 high torque motor
full metal rack pistol (AOE’d)
sorbo padhollow Piston o ring
shimmed
Heavy duty bushes
Orga wide bore barrel
r hoppedpromy purple flat hopped
and a tru hop concave hard plastic nub that has been filled with sugru and the shaved to create and nice flat nub with a tiny bit of give
using 11.1 v it Gives a good 75-80m straight shot
but since Iv fitted the flat hop im
getting 1 full distance shot and then 1 short and then 1 full and so on and so on ,
it’s bizarre , I’m just wondering if anyone else has had this happen and what was the cause ?
thank you 😊
