The TX200 .177 likes JSB Exact Heavy
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The TX200 .177 likes JSB Exact Heavy
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Topic: The TX200 .177 likes JSB Exact Heavy (Read 1615 times))
kevin1
Shooter
Posts: 56
yes
Real Name: Kevin
The TX200 .177 likes JSB Exact Heavy
«
on:
August 12, 2017, 12:26:45 AM »
I’ve tried many pellets (RWS superdome, Meisterkugeln, Supermag, Premier Match 7.9gr, Premier HP 7.9gr, JSB Heavy 10.34).
The two most accurate pellets (by FAR) are the Premier HP 7.9 gr and the JSB heavy.
At 30 Y: 0.34” C to C for JSB, 0.4” for Permier HP
At 44 Y: 0.89” C to C for JSP, 0.99” for Premier HP
Here’s where the JSB shines: From 10Y to 44Y, there’s no lateral shift in the point of impact and it’s less hold sensitive. The Premier HP on the other hand hits 0.4” to left at 10Y, then is on target at 30Y and 44Y. It’s also a little more hold sensitive.
I’m thinking going with the JSP heavy. But I’ve read that the spring life will be shorter with heavy pellets. Can you please quantify the spring life with heavy vs lighter pellets?
Lastly, can you please explain why heavy pellets reduce the spring life? It’s counterintuitive to me. I mean a lighter pellet would make everything function faster and therefore increase the wear. No?
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USA, TX, Fairview
north country gal
GTA Senior Contributor
Posts: 2785
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Real Name: Joanie
Re: The TX200 .177 likes JSB Exact Heavy
«
Reply #1 on:
August 12, 2017, 09:20:50 PM »
Kevin, I've had the same experience with Premiers as far as hitting a bit differently in windage compared to other brands of pellets with the same weight. Don't think it's all that uncommon with different brands of pellets, though.
Haven't seen any serious controlled tests on spring life. Some anecdotal reports that suggest it may be a bit overemphasized as an issue, but a lot of us consider springs a replacement item, anyway, and with a TX, replacing a spring is a breeze, to boot. Me, I shoot whatever weight shoots best, within reason, of course, taking into consideration the fpe level of the gun. Don't consider 10 + grain pellets as being all that significantly heavier than the typical 8 plus grain pellets in a TX. I shoot that weight almost exclusively in my ProSport and don't lose any sleep over it.
Those are some very nice groups, by the way. Great shooting.
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Rhinelander, Wi
EMrider
Expert
Posts: 1134
Real Name: Rob
Re: The TX200 .177 likes JSB Exact Heavy
«
Reply #2 on:
August 12, 2017, 10:19:36 PM »
My hw97k and pro sport both like the JSB 10.3s.
No need to worry about spring life. I have more than 10k shots on my pro sport with no change in power.
R
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Santa Barbara, CA
Beeman R7, .177, P. Watts tune
Beeman R7, .177, R. Hawkins tune
AA pro sport, .177, R. Hawkins tune, Vortek kit 11fpe
HW97k, .177 ARH kit, 12fpe
HW50S, .177 Vortek kit 10.5fpe
HW50S, .177 ARH plinkers kit 9fpe
FWB300s, .177 circa 1974
HW45 pistol, .177
Crosman 1720t, .177, 14fpe hunter setup
Benjamin Marauder, .22, WAR SSG, MMHF barrel
Taipan Veteran short, .22
kevin1
Shooter
Posts: 56
yes
Real Name: Kevin
Re: The TX200 .177 likes JSB Exact Heavy
«
Reply #3 on:
August 13, 2017, 02:00:09 AM »
Thanks for the replies. I'll be ordering some JSB 10.34
Do you think it's worth trying some Air Arms Field .177 4.52mm 8.44 Grains Domed as well (heard good thing about them)?
BTW here's a few pics of the gun and the target shot at 30 and 44Y. I wish I had bough the walnut stock, but the beech stock looks decent too. The scope and mount are cheap, but they are holding very well.
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USA, TX, Fairview
Lead Poyzinun
Shooter
Posts: 11
Real Name: James
Re: The TX200 .177 likes JSB Exact Heavy
«
Reply #4 on:
August 13, 2017, 04:27:23 AM »
4.52mm for sure. My TX shoots Kodiak Match. Most other pellets make a real nice tight shotgun pattern. The H&N Hunter Extreme does group well, but I stick with the Kodiak. When I test pellets in any of my rifles, I always use domed to get the best results. The AA 4.52's were mentioned, I tried them in my TX, but they didn't group to my satisfaction in my particular TX.
«
Last Edit: August 13, 2017, 05:04:53 AM by Lead Poyzinun
»
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Indiana
tomiboy
Plinker
Posts: 176
yes
Real Name: Tom
Re: The TX200 .177 likes JSB Exact Heavy
«
Reply #5 on:
August 13, 2017, 09:03:08 AM »
Does the TX200 typically prefer the 4.52 diameter (in any pellet) to others (when there is a choice)?
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Illinois, USA
Fred J
Sharp Shooter
Posts: 791
yes
Real Name: Fred
Re: The TX200 .177 likes JSB Exact Heavy
«
Reply #6 on:
August 13, 2017, 09:12:04 AM »
My TX200 shot best with JSB 10.3gr pellets, too. It simply shot lighter pellets too fast (>900 fps). With the JSB 103gr it shot a nice 825 fps. After about 2000 shots, the gun blew the piston seal, so I installed a Vortec kit with a custom 13 fpe spring. Now it likes Air Arms 8.4gr with the 4.52 mm heads yjsy sre sjpptog st 850 fps.
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Sturtevant, WI
Air Arms TX200 .177 Cal TBT tune at 14.4 fpe
Regulated Air Arms S500 .177 Cal 19.7 fpe
Benjamin Marauder .22 Cal (MSD hammer, TSS hammer spring, 30 fpe)
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The TX200 .177 likes JSB Exact Heavy