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TM AUG, SP160 using .25 bb's

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Old December 15th, 2007, 19:29   #16
CDN_Stalker
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Dyord, I use 0.30g BB in all my GBBs (KSC MK23 and G19s), so stop whining about cost. Lol, I've actually used up to 0.43g in them before as well.

Donster, get a Prometheus 110SP spring, I have one in my MP5 and it shoots 365fps. If you add a tightbore and a bearing spring guide, that'll put you close to 390fps. Avoid the PDI springs, they will reduce your battery life as well as possible damage your internals (if a V2 merchbox, itll be destroyed within a few thousand shots).
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Old December 16th, 2007, 13:27   #17
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Just had a game today.. grouping is still inconsistent using .28's.. But didn't see the difference from .25's. Now I'm planning to buy a tight barrel next week.

btw, may I ask how many fps drop does .28's have from the standard .2's? Because my SP160 setup just clocked 405fps.. I found it very frustrating because I was expecting 500+
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Old December 16th, 2007, 13:45   #18
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Stalker thanks for the info. i will be buying a TM M14 soon, so if you have any advice for that, that would be sweet. i was hoping to have it shoot at least around 350ish with .28-.30s.
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Old December 16th, 2007, 13:55   #19
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does anyone know what's the bore size of a stock TM AUG barrel? I'm planning to buy CA 6.04, 510mm barrel.
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Old December 16th, 2007, 14:08   #20
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i think its around 6.08-6.10, or at least that is what i heard stock TM guns were. Get a prometheus barrel. i have heard nothing bad about them; only good.
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Old December 16th, 2007, 22:43   #21
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stock TM innerbarrels are 6.08.

if you're on a budget get Systema tightbores
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Old December 17th, 2007, 10:44   #22
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Velocity drop with .28g is around 50-60fps. I use a general rul.e of thumb, I've seen the results from a few different guns, there is roughly 100fps difference between .20g BBs and .36g BBs, so .28g being in the middle......... 50fps. 0.25g tend to be about 30-40fps lower than 0.20g.
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