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Old 02-06-2020, 03:21 PM   #1
Young Gun
 
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How to achieve 480fps with .43g bbs

Hello, so I was wondering what kind of spring/parts I need to achieve around 480fps with .43 gram bbs. I have a as01 striker all stock right now except a bipod and a scope.Thanks! (I heard a m170 would do the trick but I don’t know)
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Old 02-06-2020, 04:07 PM   #2
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So you are looking at making it 4.5joules with 0.43gm bb's. I don't think the AS01 is capable of that. Someone else may be able to help though.
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Old 02-06-2020, 04:49 PM   #3
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>2 posts
>stock rifle
>wants 4.6J
just gonna point out some facts and otherwise shut my mouth

Anyway, I wouldn't know- though I'm under the impression that platform has low cylinder volume and a shorter stroke, meaning this will not be easy and will result in a very tough bolt pull.
You could go HPA, and if you're still maxing out maybe increase barrel length- that would definitely get you there.
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Old 02-06-2020, 04:55 PM   #4
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Agreed with 1tonne.

The AS01 Striker just doesn't have the cylinder volume or component strength to make it up to 4.5joules with a 0.43g. Even with extensive modification it just won't get there.

4.5J seems excessive for field use. Are you sure you mean 480fps with a .43g?


Also, be sure to make an intro post.
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Old 02-06-2020, 08:43 PM   #5
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My bad, I mean a .32gram bb not a 43gram
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Old 02-06-2020, 09:15 PM   #6
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That particular rifle will still struggle at 3.41 joules. ([email protected])
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Old 02-06-2020, 10:23 PM   #7
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How heavy bbs do you think I should use to get around that FPS?
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Old 02-07-2020, 12:11 AM   #8
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If a VSR can do it, using an expanded cylinder (CPSB009 or NEMO) can probably do it……but stock AS01 volume would not be possible. Even if you can that cylinder will break almost instantly due to extreme stress.

But then 4.5J is a hell lotta power. Even if it is physically possible it would be really damn hard to even pull that thing.
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Old 02-07-2020, 12:32 AM   #9
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So get an expanded cylinder and new spring? The website emailed me suggesting .26 gram bbs with it once I get the upgrades done, does that sound about right?
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Old 02-07-2020, 01:59 AM   #10
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As others have mentioned, even if you could achieve that level of power, your rifle would be under very high stress, and wouldn´t withstand that for too long.
Playing with 0.26g in a 3.4J rifle? I would use 0.48g at least.

Heavier bbs will give you less fps, but they will fly farther and be more accurate.
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Old 02-07-2020, 02:19 AM   #11
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If you absolutely need to use an AS01 to fire that hard you will need to upgrade quite some parts outside of just a larger cylinder. The sears cannot survive that much power (and pretty much not much stock guns can, for that matter), the body pin will snap instantly, etc. An easier option is probably buy a Wolverine bolt and let HPA do the job for you.

That said, what exactly are you gonna use it for? 4.5J isn't exactly little in terms of airsoft.
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My loadout:

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- Spring: Custom
- Cylinder: Edgi Nemo cylinder kit
- Chamber: Action Army blue chamber
- Spring Guide: Edgi Nemo cylinder kit
- Piston: Edgi Nemo cylinder kit
- Scope: Discovery 3-12*42

-Sub: Tokyo Marui 5.1 Hi-Capa
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Old 02-07-2020, 09:16 AM   #12
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Quote:
Originally Posted by ethon_zeng View Post
So get an expanded cylinder and new spring? The website emailed me suggesting .26 gram bbs with it once I get the upgrades done, does that sound about right?
It sounds like you are new to airsoft, and that's fine. We have all been there. Make an intro post, ask some questions, do some research.

Right now all of us are trying to figure out what you are actually trying to do with your Striker, as 2.3-2.9joules is a more typical output energy for fielding.

Is it for plinking?
Backyard BB wars?
Taking to an airsoft field for organized play? And what are the field rules if you are?


You could achieve 480fps on a Striker with a hot spring and using a 0.20g or 0.25g. That velocity with those weight BBs would likely mean it is usable at most fields. The downside is that those BB weights lack the mass to range as far as something like a 0.32 or heavier.


0.26g is a weird BB weight. They do make them (Goldenball) but there are much higher quality BB's on the market.
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Old 02-07-2020, 09:32 AM   #13
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Not going to happen with a Striker, the science just isn't there. I rebuilt my kid's Striker a little while ago. It doesn't have the length of pull to get those kind of numbers, but on a positive note, we still got it to be a very accurate shooter at 430 fps with a .2g BB. I believe he's using .36's for ammo at the moment.

Definitely not the longest range rifle, but we did get it to be very quiet, and have the all important consistency you need as a sniper. The rifle is comfortable, reliable, and we did get a tighter bore and an r hop into it as well as getting it absolutely air tight. We also came up with a fix for the notoriously loose bolt problem that creeps into them with time.

Personally? I love the Striker. Ergonomically it's a fantastic rifle. It feeds well, and can really be effective if you play to its strengths. But it's not a long legged unit... :)
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Old 02-07-2020, 01:31 PM   #14
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Quote:
Originally Posted by ethon_zeng View Post
My bad, I mean a .32gram bb not a 43gram
Eh...guys, he updated; he meant 3.4J on .32g
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Old 02-07-2020, 02:37 PM   #15
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I’m using it for a field use and I just thought the more FPS, the better my bad.
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