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Powertubes

Powertubes

Nelson powertube assemblies.

These tubes fit nearly all nelson markers. Sizes range from -2 up to 6. A smaller size means a smaller inner diameter air passage.
A smaller size will restrict air flow and choke the amount of air used to fire the paintball resulting in a lower velocity.

The sizes (-2 to 6) range from id .10 to about .19. With the -2 and 0s being around .11-.12. and size 6 is usually around .18 or so.
Size 4 is about .65-.75

It is important to remember that different manufactuers (Taso/AGS, Lapco, Line SI) probably held different standard for sizes so a #4 from Lapco might not be the same as a #4 from AGS or Line SI. This is why I try and list the inner diameters for each tube.

When I'm setting up my loaner nelsons I typically start with a number 4 and use red main and yellow valve with my adjuster screwed all the way out. This will typically get a nice velocity right off the bat (around 250). And from If my velocity is too high with this combo I will go to a mainspring with less tension. If you don't have the option to change main springs then you can change down powertubes.

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  1. Line SI Bushmaster Powertube #4, steel 007 valve retaining screw and bad shape cup seal

    Line SI Bushmaster Powertube #4, steel 007 valve retaining screw and bad shape cup seal
    $30.00

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  2. Lapco #6 Powertube in great shape

    Lapco #6 Powertube in great shape
    $30.00

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  3. NW powertube and valve assembly, cup seal is probably bad

    NW powertube and valve assembly, cup seal is probably bad
    $14.40

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  1. bad shape Cci Phantom powertube

    bad shape Cci Phantom powertube
    $8.40

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  2. cmi diablo powertube, vrs and cup seal, decent shape, likely needs cupseal flipped

    cmi diablo powertube, vrs and cup seal, decent shape, likely needs cupseal flipped
    $12.00

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  3. cmi diablo powertube, vrs and cup seal, decent shape, likely needs cupseal flipped

    cmi diablo powertube, vrs and cup seal, decent shape, likely needs cupseal flipped
    $12.00

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  1. Stainless? .170 powertube, light pitting, 2x base holes at .146.

    Stainless? .170 powertube, light pitting, 2x base holes at .146.
    $15.60

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  2. new shape kingman hammer powertube, .180 ID with .177 base holes x2. Stainless, 8x32 threads.

    new shape kingman hammer powertube, .180 ID with .177 base holes x2. Stainless, 8x32 threads.
    $16.80

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  3. used stainless nw powertube and cupseal, id=.16 and base holes are likely 2x at .091

    used stainless nw powertube and cupseal, id=.16 and base holes are likely 2x at .091
    $15.60

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  1. bizarre large ID powertube with base holes further forward, stainless, .186 id, 2x .11 based holes

    bizarre large ID powertube with base holes further forward, stainless, .186 id, 2x .11 based holes
    $21.60

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  2. Taso stainless #3 tube looks new, .154 ID 2x .114 port size, tube only

    Taso stainless #3 tube looks new, .154 ID 2x .114 port size, tube only
    $12.00

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  3. Taso stainless #3 tube looks new, .155 ID 2x .114 port size, tube only

    Taso stainless #3 tube looks new, .155 ID 2x .114 port size, tube only
    $12.00

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  1. Taso stainless #3 tube looks new, .154 ID 2x .114 port size, tube only

    Taso stainless #3 tube looks new, .154 ID 2x .114 port size, tube only
    $12.00

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  2. Taso stainless #3 tube with vrs, great shape, .154 ID 2x .114 port size

    Taso stainless #3 tube with vrs, great shape, .154 ID 2x .114 port size
    $24.00

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  3. Taso stainless #3 tube with vrs, great shape, .154 ID 2x .114 port size

    Taso stainless #3 tube with vrs, great shape, .154 ID 2x .114 port size
    $19.20

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  1. Taso stainless #3 tube with vrs, great shape, .154 ID 2x .114 port size

    Taso stainless #3 tube with vrs, great shape, .154 ID 2x .114 port size
    $24.00

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  2. Taso stainless #3 tube, looks new, cup seals look good.154 ID 2x .114 port size

    Taso stainless #3 tube, looks new, cup seals look good.154 ID 2x .114 port size
    $27.60

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  3. nw spitfire powertube assembly (powertube, valve retaining screw and cup seal).

    nw spitfire powertube assembly (powertube, valve retaining screw and cup seal).
    $21.60

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  1. stock nelson tube, used and rusty shape, id=.16

    stock nelson tube, used and rusty shape, id=.16
    $6.00

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  2. stock nelson tube and vrs, seized up, stuck, used and rusty shape, id=.128

    stock nelson tube and vrs, seized up, stuck, used and rusty shape, id=.128
    $4.80

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  3. stock nelson tube assembly, rusty used shape, leaks, id=.129

    stock nelson tube assembly, rusty used shape, leaks, id=.129
    $8.40

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  1. stock nelson tube assembly, rusty used shape, leaks, id=.129

    stock nelson tube assembly, rusty used shape, leaks, id=.129
    $8.40

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  2. stock nelson tube assembly, rusty used shape, seals but will need new seal soon considering age, id=.128

    stock nelson tube assembly, rusty used shape, seals but will need new seal soon considering age, id=.128
    $12.00

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  3. stock wgp commando powertube in steel, 8x32 base, new, id=.164

    stock wgp commando powertube in steel, 8x32 base, new, id=.164
    $6.00

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  1. stock wgp commando powertube in steel, with 8x32 cup seal, id=.166

    stock wgp commando powertube in steel, with 8x32 cup seal, id=.166
    $16.80

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  2. used lapco 4p tube, light wear on base, id=.169

    used lapco 4p tube, light wear on base, id=.169
    $16.80

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  3. Size 4 stainless powertube, used shape, will leak, id=.175

    Size 4 stainless powertube, used shape, will leak, id=.175
    $21.60

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Items 1 to 27 of 118 total

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