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parts from mcmaster questions

This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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parts from mcmaster questions

Unread postAuthor: daberno123 » Sun Dec 09, 2007 4:22 pm

i was thinking of making a BBMG and I was looking at McMaster website and have 2 questions

1. Will 2" pvc rod fit into a 2" plug to be used for a vortex block

2. Will this stainless steel tubing fit a .177 cal bb in it
part # 44635K222
i think it will because the ID is close to the size of a .177 cal bb which is about .25"
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Unread postAuthor: jrrdw » Sun Dec 09, 2007 5:06 pm

1) Yes, it should
2).25 = 1/4"
Where did you get your numbers?
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Unread postAuthor: daberno123 » Sun Dec 09, 2007 5:11 pm

thats just an estimate really by measuring my real BB gun barrel
i was just looking at the package of bbs and it says 4.5mm
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Unread postAuthor: jrrdw » Sun Dec 09, 2007 5:32 pm

daberno123 wrote:thats just an estimate really by measuring my real BB gun barrel
i was just looking at the package of bbs and it says 4.5mm


You should use a 3/16ths" id metal line. 3/16 = 0.1875, it's the closest i think you can get.
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Unread postAuthor: daberno123 » Sun Dec 09, 2007 5:41 pm

jrrdw- thanks do you know where i can order some because i can't find any that small on mcmaster
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Unread postAuthor: jrrdw » Sun Dec 09, 2007 6:00 pm

You can get it at any local autoparts store, it's brake line. Just cut the end flares off.
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Unread postAuthor: daberno123 » Sun Dec 09, 2007 6:25 pm

is it very expensive and how long is it?
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Unread postAuthor: BigJon » Sun Dec 09, 2007 6:36 pm

It is not that expensive 3ft. of 1/4" brakeline usually costs about 5 bucks where I live.
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Unread postAuthor: daberno123 » Sun Dec 09, 2007 6:44 pm

awesome! i'll start on it once I get all my other projects done like my 2" piston dual chamber cannon, CO2 tennis ball launcher, and backpack mounted spudder. That'll be in a while
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Unread postAuthor: BigJon » Sun Dec 09, 2007 7:53 pm

Sounds like you have quite a list, good luck on all that. :)
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