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Old 11-10-2016, 08:00 AM   #1
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.50 gram bb question

Will I need to joule creep to use this, and is a brass barrel ok?
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Old 11-10-2016, 09:31 AM   #2
bmr3   bmr3 is offline
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I haven't seen .50g BBs, do you have a link to these?
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Old 11-10-2016, 09:39 AM   #3
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Quote:
Originally Posted by bmr3 View Post
I haven't seen .50g BBs, do you have a link to these?
From BLS. They're grey but cost as much as .43
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Old 11-10-2016, 12:41 PM   #4
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Quote:
Originally Posted by SniperPenguin View Post
From BLS. They're grey but cost as much as .43
Do you have a link?
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Old 11-10-2016, 02:42 PM   #5
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You do not need to joule creep any BB in order for it to be effective, but you will have a slower moving BB as the weight increases if you are going to remain at an equivalent output energy. In that case of a 0.50g, 316FPS it the energy equivalent of a 0.20 at 500fps.

Barrel material makes no difference. Brass, aluminum, and stainless will all work with the real variable being on the interior bore quality based and the potential for it to be improved. Aluminum can not be improved, brass and stainless can.

I get my BLS 0.50g's on Sunday (a buddy and I split a pack for testing). If you can wait a few days I can let you know if they are worth it.
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Old 11-10-2016, 02:42 PM   #6
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No, contact ________ on Facebook to order BB's. He is with BLS. Their website is outdated.

BB's are 20$ for 1000.

I can PM you the name. They are grey so it may be hard to see.
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Old 11-10-2016, 02:46 PM   #7
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I will be going over the implied energy limit. (not purposely, PDI piston is just heavy) The PDI piston is like 40 grams so it should have plenty of creep. Otherwise if that is not enough, I will purposely go over the implied energy limit and buy a tuning service from careful so he can tune a Stainless Steel piston for me and I'll use it with an AA cylinder.

Is 316 FPS that slow? It seems like it would be decently fast actually.

Maybe I should get a Bore Up kit? I actually have the money and it is a simple 10$ more. Might help, who knows?

Should I use 6.08 or 6.01 for this.

I would love to hear how they perform.

Thanks for all the help :)

EDIT: I only thought that I would need a better barrel because people use PH barrels and VascoMax for .69. But this is .50 I guess.
I have enough for a PH barrel, maybe it will perform better?

Last edited by SniperPenguin; 11-10-2016 at 02:55 PM.
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Old 11-10-2016, 03:13 PM   #8
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My testing is not for bolt actions. It is for a HPA DMR system I am building for my spotter so he doesn't get as bored at big events when I am engaging well outside normal airsoft ranges with my dedicated 0.69g build. It was going to be a discreet [email protected]/[email protected] build, but the availability of 0.50g's at ~10% the cost per shot of a 0.69g makes a financially better option.

Still, BB quality is independent of propulsion source so the assessment is still applicable.

316FPS is not bad. I run two of my HPA systems around that velocity with a 0.32g, slower (298FPS) when I load 0.36g's in to my SAW. It does take more predication and patience when applied to a BASR, since you only get one shot and people have a tendency to move. I do respectably well at 342FPS with my BAR-10.
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Old 11-10-2016, 03:37 PM   #9
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Thanks! You think it would go a bit faster, maybe like 350 FPS with natural joule creep and the piston?

Should I opt for a 300 mm or 430 mm, a 6.01 or 6.08?

I've decided not to joule creep because .40-.50 has enough creep already, PDI piston is heavy enough, only one field allows it near me (that I know of) and I don't want to get kicked out or banned for doing it, as I'm not sure what they would say. They are pretty strict. I don't want people getting mad or shooting at a "hot" energy on purpose so that I will accidentally hurt someone. If I get 300 feet with .40-.50 with an r hop I am fine. This is my first sniper so joule creep isn't even needed.
Most experienced snipers don't use it. But you get the point, it's not for me.
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Old 11-10-2016, 03:38 PM   #10
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One downside to 0.5gm bb's is that they are Dark Grey. So at extra long ranges, they will be nearly impossible to see. So it will be hard to correct for wind and elevation.

Also, I don't think you would need a bore up cylinder although it would help a little. The main thing would be to get the right length inner barrel for a bolt action. My guess for a VSR10 barrel length would be about 330mm-340mm.
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Old 11-10-2016, 04:16 PM   #11
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I just received a whole bunch of BLS samples too. The 0,5g are decent, but as already mentioned in this thread they are very hard to track in the scope.
I prefer the BLS 0,43. Still plenty of room to Joulecreep and you can follow the trajectory of them, which is a must when it comes to airsoft sniping in my opinion
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Old 11-10-2016, 04:50 PM   #12
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Bad new guys.

Field owner said I can shoot any weight I'd like.

Ask him about iron infused .50's.

Said he'll check with insurance, comes back saying .32 is the max lmao

I told him that .32 in airsoft snipers is like marbles in real guns. He said he will allow .40's. I probably wouldn't be using .50's anyway, but I would love to be able to use .43/.45. Guess there wouldn't be that big of a difference.

.40 is alright, correct?
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Old 11-12-2016, 12:57 AM   #13
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I have fired about 200 .5's thus far and I love them. They are a little more difficult to see than the white bbs, but easier to see than other black or green bbs I've tried. They seem to fairly consistent in size from bb to bb. I really am impressed with them thus far. I received them a couple of weeks ago, I haven't played any games with them yet, just test firing in my yard.
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Old 11-14-2016, 04:25 PM   #14
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I got my half bag yesterday and tested a mag worth. I brought my P* DMR just for the purpose of testing. Take my word for it or not, it is hard to find a more consistent rifle.

At the chrono I was getting a solid 449/0.20 and 298/0.50 using a radar-based unit.

For starters, the bbs are difficult to see. I found them harder to track the darker old school madbull 0.43g madbull blacks. Hop tuning was best accomplished against a black background.

One tuned, I utilized solitary 55gal poly barrels for targeting. I found the tragejtory started to fall apart around 290ft with my rifle, though the overall range was greater. I was placing 10/10 on a barrel at that range.

Later in the day the guy who owns the other half of the bag tested a mag worth. His is a V12 based DMR presently lacking much of the inner stability of mine but exhibiting similar energy output and hop stability. Chrono measurements were 308/0.50g, I do not have his 0.20g measurements.

On this second trial we discovered the bbs were significantly more visible using amber lenses allowing for easier hop tuning.

I got to play target for the distance portion, providing an actual torso compared to my barrel assessment. The flight path fell apart earlier with his rifle, yielding 6/10 torso hits at 270ft. Total range similarly exceeded the same 290ft mark.

I do not have a total flight distance.
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Old 11-14-2016, 05:05 PM   #15
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Quote:
Originally Posted by Corriander View Post
One tuned, I utilized solitary 55gal poly barrels for targeting. I found the tragejtory started to fall apart around 290ft with my rifle, though the overall range was greater. I was placing 10/10 on a barrel at that range.
Do you have a baseline to compare it with? Raw results on their own says almost nothing... how is it compared to ,40s or .43s you would normally use in that gun?
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