AR15 Parts Weights Database
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The PWD
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Welcome to the AR15 Parts Weights Database. This Google Sheet started as an archive of lightweight part weight data--and the original mission of being a part-selection tool is still primary--but it has since been expanded to include other useful data for all kinds of parts. If you want to know gas block set screw spacing or rail mounting configurations or whether or not a certain BCG has forward assist serrations, you'll find all of that and more here in the PWD. Originally the database was user editable (and frequently backed up!). After some unfortunately sorting issues, I've decided to change how parts are added. Going forward, the sheets are locked and can only be edited by myself. Additions to the database will be managed via the sheet titled "User Data Submission". Simply add your part information to the editable sheet and it will be integrated into the main database ASAP. If you'd like to sort the data for your own purposes, no problem, copy and paste it into your own spreadsheet and sort away! :) Some comments...
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1. I'm always in the process of making the sheets more descriptive / informative / useful, and am certainly willing to entertain suggestions. If you have an idea of how to make the PWD more accessible or useful or detailed, I'm all ears! Similarly, if you have a question, please ask! I tend to monitor my accounts constantly when conscious, so you'll likely get a quick response. My contact info is below. I am also occassionally on the 'chat' for the Google Sheet when I am editing / monitoring it.
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2. If you add a part / weight, leave your screen name in the comments field for the data you add. This not only shows who contributed what, it allows people to contact people that have used said part to ask them questions etc.
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3. There's only two weights reported here, manufacturer (M) and user (U). Manufacture means DIRECTLY from the source, like packaging, manuals, the company www site, promotional materials, or press releases. Pretty much everything else is a "user" weight...even if said user is an authorized retailer or whatever.
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4. Actual data is in black text. The light gray text is merely a placeholder that makes it easier to do simple sorting operations.
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5. All weights are in ounces. If your scale isn't capable of greater than tenth of an oz accuracy, the data probably isn't going to be accurate enough to be helpful to others and shouldn't be added to the database.
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6. If you ARE the manufacturer and want to contest data or add data, I would LOVE to hear from you. Accuracy and comprehensiveness is what I strive for. Feel free to contact me any time. I set up a Gmail account just for this purpose. It's: arfcomlightweight@gmail.com. If you'd prefer to IM me on arfcom, my screen name there is: jekbrown
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7. Accuracy: This database is intended to be a guide to assist the weight-conscious to make sound design decisions with their custom builds. It should be considered the begining of your research, not the end...because the data is not gospel in spite of all my efforts. Sometimes manufacturers data isn't 100% accurate, sometimes there is a variance due to manufacturing processes, sometimes I make typos, sometimes a manufacturer's product will change over time and it isn't announced (e.g. gen 2!), and sometimes people just use poor quality / inaccurate / uncalibrated scales. In any event, take all data with a grain of salt and do your own research before making a final decision on purchasing parts.
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8. Have any questions? You can email them to me, PM on arfcom, or post them in the PWD in the user data submission sheet. I'll post such questions in the FAQ sheet.
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Welcome
User Data Submission
Upper Rec
Upper Parts
BCG
BCG Parts
Carriers
FF Rails
Charging
GBs
BBLs
BBL Nuts
Muzzle
Lowers
Lower Parts
Rec Ext
Buffers&Springs
Stocks
Grips
Accessories
Lights
Mags
Optics/Sights
Bbls (other cals)
Forge Data
FAQ
Thanks