Can a strong argument be made in a court of law for a homemade firearm that contains a semi-automatic trigger group, a non-fixed firing pin, and a rifled barrel to not be
100% Legal Pen Gun .22lr (Pen,Pew,Pew) - YouTube
Pen-like gun can easily be made at home
Bootleg Gunz:The Bazaar of Bizarre Guns - A man from Tijuana, México wore a pen gun with 29 .22 cal cartridges Worked as both a gun and a pen How effective it
THE 'ZIP' GUN
Zip Gun" Pistol .22 Cal | Ralph Foster Museum at The Colleg… | Flickr
Legalities of selling a Colt's pen-style tear gas projector/launcher — GunBroker.com Member Forums