Which Slugs Will Work in an FX Streamline?

The new Hybrid Slugs from FX. They are meant for the STX barrel. No slug barrel needed.

by far in a way the fx hybrid slugs just designed by fx there is video on airgun 101

The old smooth twist was never designed for slug. It only have 3 to 4 inch of rifling. Might want to get a slug liner if you want to shoot slug. It's only $109. If you can afford a $2000 gun I'm sure you can afford a $109 liner. Or at least get the newer smooth twist x that has 100% rifling. The new fx slugs are meant for the smooth twist x. Not the old 3 to 4 inch rifling smooth twist.

I'm shooting the Hybrids out of my Streamline at 770 fps. Amazingly accurate.

Stranger things have happened. You may get very good results out your original smooth twist barrel. I'd start with a pack of the FX .22 slugs. You certainly won't cause any damage/problems unless you velocities are really low, and they get stuck in the barrel, although that's not likely with all that free bore. Other than that, give them a try.

the probable issue will be speed. i have a SL in 22. huma reg set at 135, spring at max. i get 31 ft/lbs. with the 18's. i've read the hybrids like 920+. no way the stock SL will do that without some serious mods. i'd bet the hybrids would would shoot them fine if you got them up to that speed.

18.13 says he is happy at 770. just under 32 ft/lbs. so depends on what you want to do. paper punching it wont matter. imo though, the trajectory at 770 would'nt be flat enough for hunting or plinking.

I’m not sure they would work accurately at the speeds necessary for the same reason when you push pellets too hard from the ST barrel they lose accuracy. The last two inches that are rifled aren’t enough to impart sufficient spin when much in excess of 900 FPS. Plus the SL is a 32 fpe gun at the most and without modification not capable of pushing the slugs fast enough even if they would be accurate. Two strikes against the SL with ST barrel. Great gun with 18.1 JSB pellets though. Like 18.13 says if you’re ok with under 800 FPS then give them a try... but you’d be trying then to shoot longer distances I would imagine? 

I'm shooting the Hybrids out of my Streamline at 770 fps. Amazingly accurate.

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What kind of accuracy are you getting exactly?

One hole at 30yrds, moa at 75. Half the wind drift than the 18gr. Hold over at 75yrds is 2.7 mils with the 18gr 3.1 mils with the Hybrids.

Flight time at 75yrds

18gr .300

Hybrids .310 and 5 fpe more than the 18's

The old smooth twist was never designed for slug. It only have 3 to 4 inch of rifling. Might want to get a slug liner if you want to shoot slug. It's only $109. If you can afford a $2000 gun I'm sure you can afford a $109 liner. Or at least get the newer smooth twist x that has 100% rifling. The new fx slugs are meant for the smooth twist x. Not the old 3 to 4 inch rifling smooth twist.

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dude , this is the second thread you are coming off as less than helpful. first off , i owned a streamline. it's a $1000 gun , not $2000 and the smooth twist barrels they came with were not as far as i know able to be switched over. many people asked about it and i never heard of success doing so. but most importantly , please refrain from telling folks WHAT they can afford.

Olá a todos, eu tenho um Royale 400 e também pensei que o meu cano ST nunca ficaria cheio de lesmas, então decidi experimentar como Exemplo H&N .217 e .218 com cinco pesos diferentes, 21, 23, 25, 27 e 30gr. Notei que meu barril tem preferência por .218 e com as Exemplar se agrupou muito, muito bem com 23gr. Meu Royale 400 tem um regulador Huma ajustado para 160 bar com a mola do martelo no máximo e está fazendo 815 fps. Depois do teste, comprei 2 latas de HN 23gr, quando fui experimentar, os grupos estavam muito, muito ruins, essas lesmas não chegaram como os tubos de amostra, vieram brilhantes e muito oleadas, então tive que lavá-las e mergulhe-os em vinagre para oxidar. Depois de oxidados e escurecidos, fui tentar novamente e os grupos melhoraram muito, bem próximos dos grupos com Exemplificação onde a 100 metros se agrupavam em 41mm a menos de 2 polegadas. These are the photos when I tried the samples on. The second photo is the grouping at 100m.