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Old Yesterday, 06:41 PM   #1
Young Gun
 
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What does silicon in the bucking look like?

Hi all,

Bit of a strange question.

I have an M40A5 and I am trying to improve range/accuracy. I lubed the mags and cleaned out the oil after a few mag's worth of bb's, but am still a little inconsistent and am wondering if my inconsistency is due to oil re-entering the bucking, or if it is the hop chamber.

Basically, for any who have used gas rifles and gotten oil in the bucking, how do the bb's fly? Can you characterize their inaccurate flight paths?
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Old Today, 02:37 AM   #2
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Silicon oil will reduce the hop effect as the bb will slide through the bucking with no full drag on the patch or worse - hopping more to one side. Always clean your bucking with some alcohol before shooting and you’ll be good.
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Old Today, 08:29 AM   #3
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Quote:
Originally Posted by Jsmithski View Post
Silicon oil will reduce the hop effect as the bb will slide through the bucking with no full drag on the patch or worse - hopping more to one side. Always clean your bucking with some alcohol before shooting and you’ll be good.
Well I opened the gun up last night and I was a bit shocked haha. I had been cleaning out the M40A5 about as much as I cleaned my springers, however wow was it worse. I guess lots of crap came up from the gas well in the magazines because even though I had used alcohol and barrel rods, there was tons of oil and grime remaining in the crevices of the bucking, as well as much more grime in the barrel than I had expected. Pretty significant and once it's light enough between the hours of me not being at work (or the upcoming weekend) I'll test and determine how much of an improvement the deep clean made.
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Old Today, 11:12 AM   #4
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Another good advice is stop using bio bbs if you do. They suck, leave lots of residue in the barrel and some swell with time. I stay as far away as I can from that atrocity.
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Old Today, 11:17 AM   #5
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That's the #1 reason I recommend using dry gas (propane / map pro) in gas guns.
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Old Today, 11:38 AM   #6
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My Tanaka has been going strong for like 10 years using only propane. I think I have lightly lubed the magazine o-rings a couple times, but in general, you can confidently put away the lube for a long, long time to avoid dealing with those kinds of cleanups.
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