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the Daily hi thread
Jsb. 177 monster Diablo 13.43gr
- Thread starter Madratter
- Start date
Rubbish! I used to sell pellet sample packs and this was the general consensus with everybody I spoke with after they had tried them. I tried them in a few rifles. I just don't think you just can't push them hard enough at Sub12 to get a good result.
EDIT: I also found my springers had a real complaint about them. Loads of twang and groaning, almost like the barrel had a blockage.
EDIT: I also found my springers had a real complaint about them. Loads of twang and groaning, almost like the barrel had a blockage.
Most rifles I've tried them in they were fantastic up to 25-30 yards then were miserable after that, I don't shoot .177 anymore but I may have some kicking around if I do happy to send them to you to try 
Right Cant
Super member
Slow, very slow 
Thanks for all the replies guys. You’ve answered my question perfectly. Won’t bother even trying. But thanks Ged for the offer. The reason for the question was indeed based around buying a 22. I just had the thought last night that if the 13.43 gr pellets worked well in 177 I might save myself some pennies, looks like I need to add to my Christmas wish list.. thanks again all..
CheeseMonger
Super member
A word of warning, these can put your rifle, usually PCP’s, significantly over the limit.
I bought a pack last year. Used them in my old FX crown rifle which normally shoots 10ft/b with 8.44 and 11.5 with 10.34. - so a standard tune for may UK legal air rifles. The 13.4’s chronoed at 13ft/b and corkscrewed past 25 yards.
After ten shots, I Immediately disposed of the rest of the tin.
It should be noted that a .177 pellet in this weight is not a normal weight, and would not usually be used by the police to chrono your gun, UNLESS you had them in your possession at the time. And then they would be used.
I bought a pack last year. Used them in my old FX crown rifle which normally shoots 10ft/b with 8.44 and 11.5 with 10.34. - so a standard tune for may UK legal air rifles. The 13.4’s chronoed at 13ft/b and corkscrewed past 25 yards.
After ten shots, I Immediately disposed of the rest of the tin.
It should be noted that a .177 pellet in this weight is not a normal weight, and would not usually be used by the police to chrono your gun, UNLESS you had them in your possession at the time. And then they would be used.
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Right Cant
Super member
Do you know this is true 100%? Where's your evidence of this please? @CheeseMonger
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My experience was quite opposite. Beyond JSB Heavies additional weight seems to reduce the power in my testing across a few rifles, though as always, your experience may differ!
Prof1974
Super member
There was a post a while ago regarding some published police reports. The police in these cases had used 8.44 and 10.34 weighted pellets.
They resulted in a power drop on my AA S510 when I tried them. JSB heavies remain the benchmark for power on mine.
sagalout
Member Extraordinaire
Don't believe everything you read on the internet children.Pellet mass sensitivity depends on the tune of the gun. I'd be very suprised if a test lab did not try a selection of pellets and follow the weight to power trend until the most efficient is identified.