royal nonesuch show UCnxygDVG8bdDIczIOQgfLgw archive any gauge caliber cheap DIY pipe barrel test

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http://archive.org/download/youtube_UCnxygDVG8bdDIczIOQgfLgw =
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http://ia801002.us.archive.org/21/items/youtube_UCnxygDVG8bdDIczIOQgfLgw/
http://web.archive.org/web/*/https://www.youtube.com/user/royalnonesuchshow
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http://full30.com/channels/royalnonesuch

a 12 gauge shotgun shell in a 700 PSI test 20 mm ID DOM tube passed a no burst mud test as a DIY 12 gauge
3/8" pipe .675 inch/17.1mm OD 12.52mm , .493 inch ID "fits" in it
the minimum barrel length is 16" if rifled ,18" if smooth bore for, non concealable minimum 26 inch over all length long firearms designed to be fired from the shoulder with a fore-grip, butt stock
non concealable minimum 26 inch over all length long Pistol Grip only firearms PGF's that never had a butt stock, lack a fore-grip that can't be fired 1 handed or from the shoulder can't be defined as a rifle, shotgun, pistol, revolver, or handgun therefor can't be taxed as concealable AOW or NFA SBR or SBS even with very short barrels
but that ALL depends on the manner in which they are used,
so Do not conceal carry Mossberg Shockwave, Black Aces Tactical Short Barrel DT or anything you can "make" .

galvanized steel has has seams &, a zinc coating to prevent corrosion that and produces dangerous chemical reactions if welded
Black iron pipe has a dark oxide coating , is more fire-resistant & may not have a seam
stainless steel contains chromium, which is stronger more durable than zinc
hot dipped zinc pipe has a thicker layer & that's all
4130/4140, chrome-moly chromium-molybdenum can be Center fire rifle barrel steel ,
hydraulic tubing aircraft tube, bike pipe tube sizing by fitting;
Bullet or gauge require chambering with the appropriate caliber chamber reamer
cartridge or chamber might require chambering with the appropriate chamber reamer

1/2" pipe = 28 gauge ?
22 mag = 294 242 224 = .215 ID SCH 80 1/4 inch pipe .405 OD

.410 = .535 470 410 =
.410 ID SCH 10 1/4 inch pipe 540 OD
.840 od .464 ID SCH 160 1/2 inch pipe
.540 od .410 ID SCH 010 1/4 inch pipe

Bullet diameter .410 in (10.4 mm) (slug)
Neck diameter .455 in (11.6 mm) (plastic)
Base diameter .470 in (11.9 mm)
Rim diameter?: ?.535 in (13.6 mm)

2 gauge/bore = 1.326 inch 33.7 mm is the inner diameter of a SCH 160 1.50 inch pipe = loose fit or a SCH 080 1.25 inch pipe = under sized fit

4 gauge/bore = 1.050 inch 26.5 mm is the inner diameter of a SCH 040 1.00 inch pipe = tight fit = a big flare gun,

Coffman engine starter shells from flight of the phoenix , elephant gun 4.5" brass case
Modern Russian KS-23 shotgun SMT seamless mechanical tube SHT seamless hydraulic tube
may lead to diy gun posts

The above 13,488 view Dec 9 2019 video is Google's snapshot cache from Jan 2, 2022 20:37:03 GMT

http://youtu.beOObR6ZEKx5s
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http://thefirearmblog.com/blog/2019/01/16/remington-tac-13/
http://shootingillustrated.com/articles/2019/7/10/nfa-rules-on-shotguns-everything-you-need-to-know/
http://blog.gunassociation.org/homemade-45-acp-single-shot-pistol-video/
http://precision-steeltube.com/sale-7304797-seamless-tube-machining-gun-steel-tube-41cr4-41cr-s45c-45-grade-internally-ribbed-tubes.html
http://thehomegunsmith.com/gunbarrels.shtml
http://survivalistboards.com/attachments/slam-fire-parts-with-labels-jpg.154289/
http://survivalistboards.com/attachments/slam-fire-12ga-jpg.154297/
http://survivalistboards.com/attachments/dscn1552-jpg.154305/
http://youtu.be/xRoEKJ8aNeU
http://uravnitel.blogspot.com/
http://bestchoicehomeinspections.com/articles/black-pipe/
http://metalformingsolutions.com/pipe-bending/galvanized-pipe-vs-stainless-steel/#pipestrength
http://aladdinsteel.com/products/dom_seamless_tubing/
http://archtoolbox.com/materials-systems/plumbing/standard-pipe-dimensions.html
http://woihouston.com/uploads/7/2/1/5/7215847/woi_dl_bore.pdf
http://mossberg.com/wp-content/uploads/2017/05/MOSSBERG_590-SHOCKWAVE-PUMP-ACTION.pdf
http://upstatesteel.com/products/Pipe.pdf
http://iblink.com.pk/Links-data/Free-gifts/2_PIPE%20SCHEDULE%20&%20INNER%20DIA%20DIMENSIONS.pdf
http://emjmetals.com/pdf_indexer/pdfs/Tubing_and_Pipe.pdf
http://marmonkeystone.com/ecomm/document/documents/catalog/MKCatalogCarbonPipeTube.pdf