Spring/Piston A very HOT TX200....

[Kragman1]

So, I have a new-to-me TX200 Mk III with unknown internals, .22 cal HC version.
It cocks easily enough despite the shortened lever, and ibreally like the firing cycle - it's firm but very smooth, quick and clean.

My "problem" is that it's making a lot of power. Yesterday, I was making 18+ very consistently with just about every pellet I tried. That was at the beginning of a 100/150 pellet shooting session.

Today, after maybe 50 more shots, I'm getting 740 to 750 fps with 15.9 domes for 19.5 fpe. And the gun is shooting fine as far as I can tell. Tough to know though because of wind. It does seem to be hold sensitive though, which I hate. Moving your point of aim a couple of inches to the side shouldn't move your POI much if at all. Mine moves a lot....

So I find myself in the strange position of wanting to tune a rifle down, even though I love the cycle it has now and normally I'd love to have the extra velocity.

For you TX devotees - what power levels seem to do well for you?

FYI, I'm not looking for a 12 fpe rifle. Maybe 15/16?

Thanks all!


Side note - I was on the fence regarding the TX for a long time. Having spent some time with this one has made me a fan (despite the cocking lever pin backing out and the hold sensitivity).
Glad I took the plunge.

 

[Danman]

So, I have a new-to-me TX200 Mk III with unknown internals, .22 cal HC version.
It cocks easily enough despite the shortened lever, and ibreally like the firing cycle - it's firm but very smooth, quick and clean.

My "problem" is that it's making a lot of power. Yesterday, I was making 18+ very consistently with just about every pellet I tried. That was at the beginning of a 100/150 pellet shooting session.

Today, after maybe 50 more shots, I'm getting 740 to 750 fps with 15.9 domes for 19.5 fpe. And the gun is shooting fine as far as I can tell. Tough to know though because of wind. It does seem to be hold sensitive though, which I hate. Moving your point of aim a couple of inches to the side shouldn't move your POI much if at all. Mine moves a lot....

So I find myself in the strange position of wanting to tune a rifle down, even though I love the cycle it has now.
For you TX devotees - what power levels seem to donwell for you?

FYI, I'm not looking for a 12 fpe rifle. Maybe 15/16?

Thanks all!


Side note - I was on the fence regarding the TX for a long time. Having spent some time with this one has made me a fan (despite the cocking lever pin backing out and the hold sensitivity).
Glad I took the plunge.

Oh boy I have a full length .177, so not much help here.... I'll mention @HoppalongDoc as I believe he has a .22 carbine. Mine lost about 40fps once settled in hundreds of pellets later. Rated at 15fpe and it shoots about 13. It's very simple to pop the spring out and see what you've got for internals....I'd imagine it has a (vortek?) kit or something similar to boost the power as that's definitely quite high! How are you shooting it and at what distances? I shoot mine off a front rest from 25 to 40Y unless I'm pesting with it.

 

[Kragman1]

Hi Dan

I'll be shooting it the same as my other rifles - for groups and for fun, usually benched and from 25 to 100.

A pleasant surprise was that the fore end is unusually stable on a bag. Not like my R11, but leaning that way and it really suits my shooting style. Very encouraging!

 

[Roamin Greco 1]

Before you go chopping up springs, try putting a liberal amout of Tune in a Tube red grease on the spring. That will slow things down, I'll bet. Also, try heavier pellets, too. Often times in springers, heavier pellets reduce the velocity and therefore the FPE and sometimes can be the most accurate pellets.

Baracuda 18 - 18.13 gr
Baracuda Match (can try different head sizes) 21.14 gr
JSB also has several offerings of Jumbo Monster pellets. Try the .22 multi pack.

 

[Kragman1]

Baracuda 18's ran right around 18fpe and were accurate, just like all the pellets were. But just as hold sensitive.

I'm gonna keep shooting it as-is for a while, but I'll probably end up calming it down. We'll see.

 

[Danman]

Hi Dan

I'll be shooting it the same as my other rifles - for groups and for fun, usually benched and from 25 to 100.

A pleasant surprise was that the fore end is unusually stable on a bag. Not like my R11, but leaning that way and it really suits my shooting style. Very encouraging!

Yessir the TX is very front heavy, great off a bag/rest. My favorite offhand gun, but I don't shoot it like that really unless pesting or trying to prove something My TX has some hold sensitivity for sure but not extreme. A few months ago I purposely shot my TX doing 10shot groups trying 4 different things. The second pic is me pushing down as hard as I can (with 1 finger) just behind barrel to clamp it in the rest. The groups were at 30Y and there is a slight group shift but nothing extreme.

 

[Roamin Greco 1]

I may be wrong, but from reading comments on different forum, my impression is that the HC version. Is a bit harder to shoot accurately than the full length version. Patience and keep trying new things one at a time until you get some consistency.

 

[Hoppalong Doc]

Oh boy I have a full length .177, so not much help here.... I'll mention @HoppalongDoc as I believe he has a .22 carbine. Mine lost about 40fps once settled in hundreds of pellets later. Rated at 15fpe and it shoots about 13. It's very simple to pop the spring out and see what you've got for internals....I'd imagine it has a (vortek?) kit or something similar to boost the power as that's definitely quite high! How are you shooting it and at what distances? I shoot mine off a front rest from 25 to 40Y unless I'm pesting with it.

Hi, my TX200 22 cal is without doubt my favorite airgun. By the by, my TX is the long barrel, not the HC. Three years ago, I began losing power, chronographing JSB 15.89 pellets at 640 fps. I purchased a Vortek SHO PG4 tune after discovering that my oem spring was significantly torqued. The rifle has since been firing at 740 fps. I chronograph each of my rifles regularly to monitor their health. I generally fire from a bag on the bench at 25 yards. When my 77 year old body is feeling OK and the wind isn't blowing, I can generally fire 1 inch groups. I know thar others of you can fire closer groups, but 1 inch seems to be pretty constant for me shooting groups of 10 shots. Orv.

 

[Kragman1]

Orv, I high five you on your 10 shot groups.

I have taken to typically shooting 5 shot groups.
I think my frustration over having too little shooting time has led to some erosion of my patience and I'm always in a hurry to try the next pellet, etc.
NOT how I imagine my shooting time!

Keep setting a good example!

 

[Hoppalong Doc]

Orv, I high five you on your 10 shot groups.

I have taken to typically shooting 5 shot groups.
I think my frustration over having too little shooting time has led to some erosion of my patience and I'm always in a hurry to try the next pellet, etc.
NOT how I imagine my shooting time!

Keep setting a good example!

I'm fortunate to be a "retired old man". Retired I say? I seem to be busier than when I was working 60 hr. weeks and raising a family. We're in our own home in a seniors resort with more activities than can be imagined, including a full, covered shooting range set in a quiet canyon an easy half mile from the house. Anyway, I can shoot 24/7 if I wanted. Anyway Krag, I choose to shoot 10 round groups only because I'm too cheap to waste paper targets. I can afford whatever I want, but I'm just too cheap to waste perfectly good bullseyes. My targets allow for 5 nicely spaced bullseyes, and at 10 shots each, thats 50 shots for each. Two targets, or 100 shots total is about the limits of my physical capacities. Orv.

 

[Kragman1]

Orv, you're "too cheap" because you worked and raised a family. That will make you "committed to efficiency" whether you like it or not! Ha ha!
I do wish that you had the body of your younger self not that you have the time, but at least you can enjoy shooting any day.

I would like to retire to a home with a legit airgun range on the property. 50 yards anyway, but I'd really like 100. Not bulldozed into shape or anything, just a covered patio and a safe lane to shoot that is wind sheltered. And that blends in - no advertising.

Roughly a decade from now I'll be looking for that. Assuming I'm still here.

 

[Paul Be Careful]

Personally i find the TX200 HC shooting sweetest @ 10.5-ish fpe, same for the HW97K.

 

[Roamin Greco 1]

Orv, I high five you on your 10 shot groups.

I have taken to typically shooting 5 shot groups.
I think my frustration over having too little shooting time has led to some erosion of my patience and I'm always in a hurry to try the next pellet, etc.
NOT how I imagine my shooting time!

Keep setting a good example!

Try shooting a 20 shot group, the center of that cluster may surprise you!

 

[Kragman1]

I have, and more!
When I first got my ASP20 to the range, it was boring little holes in the target at 25 yards. Boringly accurate.

I ended up making a game out of it - I shot a good 30 or 40 shots at the same aimpoint, with the group roughly 1" above POA. The group was roughly 3/8". I wish I still had it.

I had found a beautiful hold resting on a padded rifle case that was sitting on a hard case on an outdoors bench. So I suppose the distance was really 23 yards. Fired that group in style - leaned back, left foot on the ground and my right leg half folded & pointing sideways across my left. Pretty day, puffy clouds, no wind to speak of, had the range to myself. Listened to the birds while I shot. Zero stress.

These days, I'd have 5 different tins lined up waiting to get tested, hoping to get all my shooting in before anyone else got there, etc. Go! Go! Go!

Plus, lately the wind has sucked, further spoiling my rare shooting time.
Stupid wind....

 

[Rise&Shine]

My TX200 runs just shy of 18 fps with one pellet and around 17.5 with another.

 

[Kragman1]

Rise&Shine - is yours hold sensitive at that level?

 

[Rise&Shine]

Kragman1 - most of my shooting is done from a front rest and rear bag with very light cheek pressure on the stock, thumb up, and fingers lightly touching the pistolgrip. She shoots very well in this way.

 

[Hoppalong Doc]

Before you go chopping up springs, try putting a liberal amout of Tune in a Tube red grease on the spring. That will slow things down, I'll bet. Also, try heavier pellets, too. Often times in springers, heavier pellets reduce the velocity and therefore the FPE and sometimes can be the most accurate pellets.

Baracuda 18 - 18.13 gr
Baracuda Match (can try different head sizes) 21.14 gr
JSB also has several offerings of Jumbo Monster pellets. Try the .22 multi pack.

 

[Hoppalong Doc]

I know that this sounds counter-intuitive, but according to Tom Gaylord (the Godfather of Airguns), with spring powered air-rifles, the heavier pellets will carry more velocity than the smaller, lighter pellets. Regarding Tune-In-a-Tube: my experience with applying a SMALL amount of it to the open area of the spring to dampen any sound, removing any remaining "twanging" has been positive. "Tune-in-a-Tube will not improve an airguns accuracy, only ones enjoyment of shooting.