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Open Source Arms

@OpenSourceArms

Open Source Arms maintains an open technical database of standardized testing, manufacturing practices, and technical data packages of tested firearm designs.

Joined August 2026
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  • Followers1.1K
Best part of waking up... is a squirted gun.
DB Firearms (@ArthurClaudeen) profile pictureDB Firearms
@ArthurClaudeen23h
POV I just woke up to a crispy print
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Right click, Add Pause.
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Replying to @pow_face
165 Grams
Image from Open Source Arms (@OpenSourceArms)
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Getting better all the time.
Image from Open Source Arms (@OpenSourceArms)
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Print in Place insert.
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Sheesh. #2 Chassis ready for printed parts.
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We are pretty close to a flawless fit, very satisfying.
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Worked that mismatch with a file, then a stone, and then a surface plate with sandpaper affixed with gaffers tape on one edge so the other edge could be supported by a right angle block.
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OSA-15 Build Update.
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Trunnion prepped for fit and final rivet within the upper.
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