kruck
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Posts posted by kruck
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Two of my fill valves have lost their head now, I ordered 4 replacements from RSOV (Hornbill 7mm inlet valves), they cost about £2 each. Irritating, but there you go. I had exactly the same problem with WE 1911 magazines in the past.
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Airsoft world in the UK have them.
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I'm getting a bit light headed from all this propane now, I just spent a good 20 retarded seconds trying to put an 8mm BB into the magazine
. Unfortunately the window is sealed shut for the winter, so I think I'm going to have stop firing it now - despite the fun I'm having. One fill of gas gets me around 140 shots (so just short of 5 mags, 4 magazines comfortably), at around 20°C with propane, mixed single shots, rapid single shots and full auto bursts (including a very fun 15rd burst
). G&P Eotech is holding up to the recoil fine. Deadly accurate, easy to put 2-4 rapid shots into the same hole at around 6 metres, can't test further than that at this timeOne thing I notices is that it is very easy to load the magazines by hand, which I didn't expect (and I don't think I saw anyone mention). This is very good for me, as I won't have to carry a tool or speedloader with me onto the field (which I dislike). The magazines hold 34 BBs but won't go in with more than 33, unless you lock the bolt back before inserting the magazine. Every little helps, eh.
The laser etched trades posted previously look fantastic, if someone finds a place in the UK that can do that for a reasonable price it's probably something I'd look into.
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Just got mine. Filled up a mag and got shooting, ran out of gas before BBs. Put a bit more gas in and listened for leaks, quite a big one from the fill valve. Started tightening the fill valve, was quite loose before the head of the fill valve sheared off, and gas spewed everywhere. Not the first time this has happened with WE fill valves, *bramston pickle* things. Need to get me a replacement.
Anyway, kicks hard and is solidly built. Looking forward to taking it skirmishing
I'll test it more thoroughly when I've got more BBs, and the snow has cleared up.
The sticker just peels off, first thing I did as it was so hideous, thumbs up to WE for putting it on a removable sticker
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Definitely metal, posting on the other forum now
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Bomber make both steel and aluminium bolt carriers:
http://www.uncompany.com/pageproductdetails.asp?prodid=26087
http://www.uncompany.com/pageproductdetails.asp?prodid=27383
You'll probably not want the steel one, if you go back a few pages in this thread there are pictures of why. I don't see why the stock aluminium(?) bolt carrier won't hold up, mine is fine after ~30k, so it probably isn't necessary unless you're having problems with your stock BC.
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I'll add the following:
KWA MP7 (NS2/Sys7) (with broken NPAS installed)
KSC USP Tactical Sys7, stock with metal slide
KSC USP Sys7 w/ Shooters Design Slide and OB
KSC USP Compact Sys7, stock with metal slide
Testing done with propane and assorted .2g ammo. I have no chrono so this is chiefly a test of gas efficiency of system 7 in cold weather. Guns and magazines were left outside in the snow for a couple of hours, away from direct sunlight. Magazines were filled indoors before being left outside. Temperature outside hovering around freezing, car thermometer indicates 1°C. Shots fired at 1 second intervals.
I left the guns & mags on a plastic sheet on the snow just outside my back door. When I went back out, it was buried in snow - some snow on the roof had fallen off and buried the guns & mags. At least we know it was nice and cold.
After clearing off all the snow, the USP Tactical went first. Blowback was fairly weak, although it cycled well and never misfired. Failed to lock back upon emptying magazines, fired 150 shots before farting out the last of the gas. For reference, this is the same efficiency as tested indoors.
Standard USP went next. This fired the first few shots well, before making funny noises and venting a lot of gas per shot. After about 12 shots, it vented all the gas down the barrel. I suspect the magazine's release valve was responsible for this. I'll retest it next chance I get with the same magazine that the USP Tactical used. The magazine I used for the standard USP is now leaking from the fill valve. For reference, the standard USP fires exactly the same when tested indoors as the USP tactical, firing up to 150 shots per fill.
USP Compact fired half a dozen rounds perfectly, before the blowback became so weak as to not load the next round properly. I took out the magazine and warmed it in my hand for ~10s, then repeated. It finished off the magazine fine and locked back on the last shot. This was repeated in the next magazine, until I accidentally released all the gas when warming it in my hand. Fired about 30 shots total.
Finally the MP7. Prepare yourself, this is where it gets a bit funky. For reference, this fires around 200 shots per fill indoors, give or take dependant on rate of fire. This was fired at 1rps as all the other guns tested. The first magazine fired fine, failed to lock back. Next magazine fired fine, locked back. Next mag locked back. Then it failed to lock back for the remaining magazines. In total, it fired 400 rounds (10 magazine loads), before farting out the last of the gas at the start of the 11th mag. Kick was not reduced a great deal from indoors, until after the 5th magazine or so. The first few shots out of each mag were about equal in terms of kick with indoors.
The MP7 result is frankly astonishing, I'm not entirely sure that it obeys the laws of physics, but I suppose that's system 7 for you.
I'd love the repeat the tests with a chrono, to get a better picture of what is happening. Plenty more winter yet to come, anyway, and I think I've found my go-to weapons
Now I just need to get all the snow out of my guns!
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Should be universal, the NPAS designed for the MP7 is compatible with all other s7 (and NS2) handguns. If it's still available the NPAS on its own can be had for $15 from ratech's website.
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Switching to the previous skin I get the View New Content where it usually is, it doesn't work though (nor any other search), the screen just remains blank.
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Just ordered mine from ehobby, £275 with four extra mags.
Absolutely can't wait.
How many shots are you all getting per fill of gas?
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You can ask elite shooting centre, last I asked he was awaiting delivery. I think I spotted some on fire support but they may have been for a different model (although it should still be compatible).
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Guess what I just ordered
It's out: http://www.redwolfairsoft.com/redwolf/airsoft/ProductDetail?prodID=29609
came to about £85 shipped with a bag of .4g 8mm BBs. Not bad. Not going to be getting the WE G39 for a while now, but I've been waiting so long I had to have it.
I sold the M629. For the life of me, I can't remember why - stupid kruck. At least I've got something to replace it with now
I'll start a new review for the M36 when it arrives
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temperature?
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Or (mass of magazine after filling with gas) - (mass of empty magazine)/number of shots fired from gas fill = average mass of gas used per shot.
I'd give it a go, but I don't have any precise scales available.
Also, the USP also kicks very hard, and has a metal slide
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I don't find the gas efficiency of the five seven to be very good. The only reason you get so many shots per fill is because of the huge size of the magazines (i.e. it still uses a lot of gas per shot). I usually get 60-80 shots per fill
Compared to my S7 USP, which has a smaller mag, I can get up to 150 shots off of 1 fill of propane (yes really, I repeated the test several times, 1 fill of gas left to heat to room temperature, mixed rate of fire, reloading BBs as fast as I could between magazines and not heating the magazine between BB refills, got 110-150 shots per fill).
So long story short, you get a lot of shots per fill on the Five Seven, but the efficiency isn't brilliant.
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Hey guys,
I was thinking of buying one of these bad boys. Just wanted to know wheres the cheapest place to buy one? With one spare mag?
Elite shooting centre, £265 + £45 spare mag, includes 1yr warranty with green gas
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Get a set off ebay, can't remember what the size is though. Might be 0.9mm or 0.7mm.
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This is now next on my list, comes close to £400 shipped to UK with 4 spare mags though. Also the installation process for the RATECH NPAS looks rather involved, you need to permanently modify something. Has anyone got/installed one on their M14 and can say how it is? My only previous experience with RATECH is their dreadful MP7 NPAS which soon broke. It was, however, a drop in fit.
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Cause of the bolt jams discovered. The four little screws on the bolt, sometimes would come loose and jam against the rails, solution was just to rack the bolt till it came free. Making sure they're in tight, add a little loctite if needed and it's all sorted. Just waiting for some more propane to arrive and I'll do some thorough testing, make sure I don't need a(nother) new hop rubber. Can't wait to skirmish this again, it has been far too long (I've had to use AEGs three times in woodland!!
).I have a little headcam footage of my last skirmish with it in woodland, camera stops recording after a couple of minutes of contact but it recorded the first few kills of a massive streak
I've actually had more problems this past 2 months with AEGs than I've had total with the MP7
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Not x cartridge version though
I'm still waiting..
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Turns out I ordered the wrong size. The stock screw is M4x10, I ordered a load of now useless M3x16. Ah well, I received the M4x16 today and that has resolved that issue.
Unfortunately it has started misfeeding again. Time for a new hop up rubber methinks, at least I'll be able to take it apart this time...
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Presumably
I ordered 20x m3x16 countersunk screws on ebay, should do the trick
Anyone want the other 19
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I "plink" a lot, constantly "testing" it (I think I fired about 2k just zeroing the eotech, then another 1k zeroing the 2nd eotech) when I change BB weight its another 4-500 setting the hop, another few hundred at the site to check etc. etc. Then fire a lot on the range at games (sometimes me usually others having a go with it), and it has been skirmished quite a lot (usually less than 500 fired per skirmish though, last skirmish someone else used it probably approached 7-800 in that game alone).
I don't really count just observe the number of bags/bottles of BBs I go through
And that's not counting dry firing...
Before I had any of the problems I posted in this thread about it had several thousand rounds through it, just plinking, 'cause it's that fun to shoot
when you look at the back of the bolt, there is the big screw at the bottom, and the little screw at the top that holds in the rod that holds in the recoil springs. It's the big screw at the bottom.
Just taken another look and cleaned out the piston-cup-holder-thingy and there isn't anything stuck in it, so if the end has sheared off (which I'm beginning to doubt now), it ain't in there.
No idea why the screw won't reach now but was fine before...
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The big screw that holds the piston-cup-holder-thingy that is on the back of the bolt, appears to have the end snapped/sheared off inside the piston-cup-holder-thingy (I say appears, the end of the screw is mashed up and it no longer reaches deep enough into the back of the bolt to hold the piston-cup-holder-thingy in place).
Which would be why, despite my best efforts, the piston-cup-holder-thingy keeps on coming loose within the loading nozzle, causing bolt jams (oddly enough, performance seems unaffected, although that might be because it always comes loose as soon as I fire the '7 after reattaching the piston-cup-holder-thingy.
BTW, anyone know what the "piston-cup-holder-thingy" is actually called?
And can anyone with a spare moment measure the length of the big screw so I'm sure the very end has sheared off?
My thanks
Most irritating given I wanted to skirmish it tomorrow
, but then it has had well over 20k rds through it, probably approaching 30k...
WE G39C GBB
in Rifles (Gas)
Posted
Tightening them, because they were leaking. Not forcing it or anything, they're easy to turn for a quarter-turn or so, then you can feel it give, meaning the head has snapped off - just made of *suitcase* metal. I've had hornbill valves in the past and the metal they're made out of was fine.