Dimply" - a machined pneumatic pen gun - Airguns & Guns Forum
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Bootleg Gunz:The Bazaar of Bizarre Guns - "A .22lr pen gun made from a $3 automatic center punch tool. The key ring is simply pulled back and released to fire. These same
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100% Legal Pen Gun .22lr (Pen,Pew,Pew) - YouTube
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Pen Gun Owned by Oliver Tambo Set for NFT Sale in South Africa - Bloomberg
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The Stinger Pen Gun: Actually, it's a handgun... :: Guns.com