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Performance Recommendation for sub 300mm Precision Barrels


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Old April 20th, 2017, 10:50   #1
Join Date: Apr 2011
Location: Toronto, Ontario
Exclamation Performance Recommendation for sub 300mm Precision Barrels

Hey guys,

Im looking for some recommendations on a short barrel anywhere between 165mm to 275mm range. My stock barrel is 165mm (super short) and hoping to increase consistency through a better quality barrel.

Right now, I have my eyes on the PDI 6.01 247mm or Prometheus EG 260mm.

Doing some research I've came across this interesting article, which summarized that tighter barrels are better for short range, as the following:

"Best CQB barrel: PDI 6.01 (Economical choice: Madbull 6.01, PDI Raven, or Angel Custom 6.01)
Best Mid-Range barrel: Prometheus 6.03 (Economical choice: Madbull 6.03 or Matrix 6.03)
Best Long Range barrel: PDI 6.05 or Orga 6.23 if enough air can be supplied (Economical choice: None, high performance = high cost)
Best All-Around-Purpose Barrel: Miracle barrels (Work well in AEG platforms)"

I guess my questions are, at the short lengths side:

a) is 6.01mm better than 6.03? (assuming barrel is same high quality)
b) does 165mm vs 247mm vs 260mm make a significant difference?

Thanks in advance!
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Old April 20th, 2017, 12:03   #2
Join Date: Apr 2011
Location: Toronto, Ontario
I have went with the Prommy 6.03 after all... wanted to avoid possibility of bb jams with the 6.01. But nonetheless, would be interesting to hear some opinions on the sub-300mm barrels I'm guessing some would argue that tbb is not even needed at this length?
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Old April 20th, 2017, 19:41   #3
Join Date: Sep 2014
Location: St. John's
I use a vfc psalm of david inner in my p90 and works just dandy its a 6.03 and paired with maple leaf bucking and concave nub it shoots lasers out to 210 feet at around 320 fps
current armament:
mk43, ump.45, p90, barret, m14, g33, k98, m4 tac, m4 swat, mp5 navy, vsr10, p226, m9.
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Old April 20th, 2017, 21:35   #4
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Join Date: Feb 2007
Location: with less oil industry than eco-hipster Vancouver
The bore of a barrel does *absolutely nothing* to affect range or accuracy.
tighter barrels may foul quicker, leading to accuracy loss due to fouling, but as long as you keep your barrel clean you won't have an issue.

And that article you read was completely bogus. Case and point: they actually recommend PDI raven (PDI's competition for madbull aluminum and angel custom, IE: cheap garbage to fight cheap garbage), angel custom, and miracle barrels, all of which are crap. And they recommend the PDI over the prometheus for long range, which means they didn't do any research at all, because the prometheus barrel is actually the better of the two.

Prometheus 6.03 and PDI 6.05 are the best, period.
Best economical barrel would be the madbull 6.03 stainless.

And the whole idea of a "CQB barrel" is completely ridiculous. If a barrel is more accurate at short range than another barrel, then it's going to be more accurate at long range, making the idea moot. And if the purpose is to have a barrel that's just "good enough" for CQB, then just keep your stock barrel instead of spending $40 on a spitball gun, in which case you'd be wasting money on a new barrel that offers no advantage over a stock barrel, and the perfect barrel is just an extra $10-$20 anyway.

Give this a read, as it's based on physics, not unverified personal opinion.
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Last edited by ThunderCactus; April 20th, 2017 at 21:42..
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Old April 20th, 2017, 21:52   #5
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Join Date: Sep 2009
Location: Montréal south shore, Qc
Also, don't overestimate the effect of a barrel swap on precision. Your gun is not going to magically start shooting lasers when you swap the barrel. In order to use a quality barrel to its full potential, you must first work on perfect compression, and you must use a good hop-up rubber. Also, some guns have crap hop-up chambers and will need some tweaking before they can reach their full potential. All these upgrades will make a gun shoot great even with a stock barrel, the upgraded barrel is just the cherry on the sundae. A nice touch, but not really required. Actually, you'll find that nowadays a lot of people will skip the barrel upgrade completely and keep their money to buy more guns/gear/mags/etc.
Keep quiet. Sound travels faster than BBs.

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Old April 21st, 2017, 15:58   #6
Join Date: Apr 2011
Location: Toronto, Ontario
Great read on that post re barrels!
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Old April 21st, 2017, 18:09   #7
Join Date: Jul 2011
Location: Ottawa
omg I would disregard anything that mentions angel customs as a quality brand.
I futz with V2s, V3s and V6s. I could be wrong... but probably, most likely not, as far as I know.
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Old April 22nd, 2017, 11:19   #8
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