GTA
General Discussion To Gateway To Airguns => China Gate => : birdmove May 13, 2009, 03:06:33 AM
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I have one coming on Friday ($24.95). Can I plan on, after running cleaning patches through the barrel and doing some external cleaning, being able to shoot the thing without having to tear it all apart? Also, if I use high rings, might I be able to mount a Leapers 3x9 airgun scope with adjustable objective? Or do you have to have a really compact scope for loading access?
Thanks, Jon
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Take the stock off and clean all the visible chinese mystery oil off. Clean the barrel then just start shooting :)
Don't be surprised when the thing actually shoots darn nice right outa the box with nice groupings. :)
You don't have to tune it right away,,, just shoot it,,,, it'll be just fine.
As for the scope,,,, Even with a high mount if you use a scope where the objective lens extends over the loading port you're gonna have trouble loading a pellet. Do yourself a favor,,,, find a scope and mount combination where the objective lens stops behind the loading port.
I have 3 of these rifles and I put very simple, short 4x32 scopes on my guns and they work great.
They are great little shooters,, you're gonna have a blast with them....
Jeff
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My 22 cal B- was surprisingly accurate out of the box
and was a great bargain for 25 bucks. I just cleaned it all
up, lubed it and installed some mods and it is a deadly
pest eliminator.
Loading a pellet with my humongous 3-9 X 50 scope is
a pain the butt. I fashioned a small tweezer like pellet
holder to push the pellet in and it also helps in protecting
my finger if a mishap happens.
I also installed a brushed aluminum full shroud, an aluminum
cocking handle, a heavy galvanized steel for the muzzle
break to counter the muzzle flip, a sling, and some oil on the
stock which is also surprisingly good.
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Hey derick you have pictures of you gun around, I would love to see it.
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i picked up two of these in .22 cal, and have been tinkering ever since. inexpensive, simple and tons of info on the net !!!!!!!
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I have received the airgun today. I have a question about cleaning the barrel.Does the gun have to be cocked all the way to get the breech/beartrap open in order to run cleaning patches through the barrel? If so, then when raising the cocking lever the gun would be fully cocked and ready to shoot?? If that is the case, then does taht mean that when you clean the barrel, you woukd need to then load a pellet, close the under lever and fire a shot in order not to have to leave the gun cocked??
On my break barrel springer, you can just pivot the barrel a little and get easy access to both muzzle and breech in order to run patches down the bore.
Thanks, Jon
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I have cleaned mine by just partially opening the breech. I use trim line with patches and Goo Gone when I clean the barrel, not cleaning rods. It is easy and safe that way.... Frank
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Thanks. I see what you mean. I just did the same.You have to hold a little pressure on the underlever as you push the patch from muzzle end to breech, and then I used a "medical" device to reach in and grab the patch and pull it out.I also use GooGone.It took 4-5 clean patches after the GooGone patch before they came out clean.That wasn't too bad.I guess I'll try shooting it at first with the open sights and using my crappy 55 year old eyesight. My Leapers 3x9 scope is too long, so I was going to put the Chinese cheapy that came with my Beeman, but the rings will not fit the mounting grooves on the receiver.These rings don't "come apart" on the end that goes onto the guns receiver and will not spread apart far enough to fit the guns mount.Too bad, because the scope would have been a good fit on the gun. Also, the rings don't come off the scope.The ring part doesn't come off.I guess I could break them off and try to find some rings that fit the very small tube of this scope, and that also come apart.
What are you guys using for scopes on these guns?
Thanks, Jon
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The B's are are a cheap shooter with lot's of room for improvement and most are surprisingly accurate out of the box, a tune just makes it a sweet little CHINA shooter. :) Ed
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They delivered the airgun without having to get a signature, unlike the ones I've bought from Pyramid Air.I got home from work and it was on my porch.
jon
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What I like to do with any new rifle is shoot it first with the iron sights to see how accurate it is. Sometimes you can't get those sights right on but you can find out the accuracy to compare to when you install a scope. That way you know how it shoots and if you have a scope problem. Sounds like you are talking about a 4x15 or 4x20 scope that you are having trouble with. If so, you can spread the clamps to get them in the grooves. I have done that.
And they are not a bad little scope to start out with. For other than a magnum rifle I favor the Center Point 4X32. PA sells them for $28. They have a parallax of 30 yards and are very sharp and clear. It is one scope, with my eyes, that I can sharpen the reticle and still have a sharp image or visa versa..It comes with rings.
I doubt that you can get new rings for the small 4x15-20 scope and really would not be worth it as mentioned above you can get a much better scope for the amount mentioned .. Frank
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epschoenly - 5/13/2009 9:29 PM
Hey derick you have pictures of you gun around, I would love to see it.
Here you go.... (hope the pics upload)
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Thats a long scope. Doesn't that inhibit loading the pellets?
Jon
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Many of us on the GTA have moded and tuned B-3's. They are great to tune and shoot. Here are a couple pics of mine.
Camo by Shadows Camo Works....
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Hi Gene, i do the same job with the piston i put a similar seal in my B3, how fast are your crhonys? i figure that mines are close than yours. im from venezuela.
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Hi Carlos. The last time I checked this particular B-3 .177 was pushing lead out at around 680 fps. Some of the other members have had real good luck getting them up around 700 fps plus. They are a great mod or project air rifle to work on. A bit rough but fun..:) Thanks for asking. How is yours turning out?
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Hi Gene, thanks for take some time to respond, at this moment im just are a backyard plinker, i forget comment that i have a TF-99 .22 too, and make the same job in the piston, it have the same power plant that a B3 in fact the inner diameter of the cilider its the same than a B3, these guns are really awesome in accuracy, and in case of the TF-99 the power than could make, im just figuring that the speed of my TF surpassed 900 fps with high grain pellets.
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Hi Gene this post is to see if i could post some pics
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Piccolo nice mod job on your piston seal!!!!! That is the only thing that has kept me from toying around with them. Very nice photos!!!
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I cut my airgun baby teeth on the B's and I still love the heck out of those little CHINA shooter's.Ed
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Gene & Carlos -
The piston seal mod looks great! What type and size of seals are you using? Is the button you're using to hold the seal something you've machined yourself, or did you purchase it? I have a couple of B3s that I'd like to convert from leather seals.
Thanks for the help.
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On my mod Paul, I used a 1" JM seal and made the adapter for it on my lathe.
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Thanks bro, really this guns are pretty amazing for guys like us that want to do mods in them.
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The seal is made from high density siliconed polyurethane, and her measures are in milimetesr, in my case was outer bore of 25 mm, inner bore of 15 mm and thicknes of 8 mm, the adaptor to hold the seal was made from a piece of aluminum in a machine shop, i purchase the seal in a store of pneuma hardware if you are in the USA you can use a seal with outter bore of an inch with no problem, the piece behind the seal is a spacer that i made from a pvc pipe in order to expan the seal when i tighthen the front bold, the job in fact its not hard to do, just find the right way. ah sorry for my English im from Venezuela hehehehe.
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What kind of situation is unloading the spring on this rifle? I've searched, but perhaps my search terms are not hitting the threads.
Any info on needing a spring compressor or not.
Thanks!
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Where does one find a .22 cal version of the B3? I have a B4 in .22 but would someday like to add a .22 B3.
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dave,..i may be mistaken on the nomenclature,......the box is marked b3-2 4.5/5.5mm. its definitely .22 caliber. i picked up a pair of these locally, on craigslist. the seller has several more available if your interested..........
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Where can the breech seals be bought for one of these? Can a regular O-ring of the correct diameter be used?
Thanks, Jon
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Jon -
There's a QF-2 cleaning kit that's sold by South Summit (among others). Cost is $8 - includes cleaning rod and tips, & oil (most consider these junk). Kit also includes spare trigger sear and spring, mainspring, a couple of breech seals and a synthetic chamber seal.
Others have also used a short section of fuel hose for a breech seal. I'm note sure of the size - perhaps others will chime in.
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I use a compressor on all my guns. Better safe than sorry. Plenty of ideas for cheap models exist, including the Library section of this site.
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Gene & Carlos -
Thanks for the information on the seals.
Seems like a thread on modifying the B3 pops up every month or two. It never ceases to amaze me the amount of interest this cheap little shooter generates.
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would you recommend it still? i am thinking to buy one but i am not sure where to get it from. is it also sold as a tech force??? what model??? thanks
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Been a spectator for a while on these forums and thought I'd add my 2cents.
Bought a B3-3 from mountain gear along with the cleaning/parts kit and am quite happy with it. Bought it with the intent of trying out my hand at some of the mods and tunes I have seen here and so I pretty much had the thing apart before I had more than a dozen pellets through it. The plans for a spring compressor in the library and all the info over at kermit airgun clubs website were really helpful as well. (they have two great walkthroughs for download http://www.kermitairgunclub.com/projects/ )
Anyways, I picked up some moly and tar (see All About Lubricants on Kermit website) and went at it with sandpaper and my dremel.
Reassembled my baby and turns out I couldn't shoot her for crap >.< took me almost a week to develop a hold that she liked (turns out she likes it tight). Thinking maybe I didn't put enough tar :( but anyways I am shooting less than 1" groups at 25 feet now with iron sights (an accomplishment for my first rifle). Probably gonna tear her down again and try a little more tar when I have some time.
Am looking at scoping her with a leapers 3-9X32 with the leapers offset single piece scope mount, and was wondering if anyone had any experience with one of these (the mount).
Once again thanks all for all the info I found on this site and others like it, it has made my entry into air rifles a blast!
Kimball
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Welcome Kimball,,,,
Nice to have you with us on GTA. Sounds like you did a nice job on that B-3 of yours, congratulations.
I have 3 of them, all home tuned, and all 3 are fine shooters and have taken their fare share of pests and game as well as more than their share of paper targets and tin cans :)
The B-3's are really nice shooter after a little TLC,,,, heck, they're not bad straight from the box once you clean all that Chinese mystery oil off them.
I'll be looking forward to your future posts :)
Jeff
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If the B3-1 from tools now needs a tune-up and a repair kit, wouldn't it be easier to go with the B3-3 from south summit for $10 more?
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I would bet they are the same airguns. My first B3 was slicing the breech seal. I did order a kit.It contains cleaning stuff, a new main spring, and a couple of breech seals. I just today made a new breech seal from some 5/16 fuel line, as suggested by a member of this forum. It seems to be working well too.
jon
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Could be true, but personally i think that it`s more pleasant make some mod jobs like put a sintetyc seal, and you have a gun more relyable than others with costs five o ten times more.
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The B3-3 I got from south summit was pretty much the B3-1 but the cocking lever is a little longer, it doesnt have a handle on it but it clips onto the muzzle so it kind of looks like a second barrel. Also internally the spring was the same as the one I got with the QF2 repair kit and the seal was the same synthetic in the QF2 rather than leather. If you have the know how and facilities to convert a leather seal to a synthetic, I am sure you could do better than the one it comes with, but it is not that bad of a seal as far as I can tell. Worth the little bit extra, and if I were to do it again I wouldn't have ordered the QF2 kit until something needed replacing. The piston definitely still needs polishing, as does the trigger and chamber, but you don't have to bother with a retrofit just a little tuning.
K