Today’s PDF is a blueprint for an Improvised Front Bolt-Action Assault Shotgun. I would advise that before undertaking this project you research Federal gun laws to ensure that the sizes – overall and barrel length fit what is allowable by the capricious overreach of the BATFE.
You can get in trouble just by the way you measure your barrel, so please be careful.Front Bolt-Action Assault Shotgun Blueprint
If you are interested, all of these gun documents I am posting can be found on the Firearm Manual Disk I have listed to your left. Additionally to the hundreds of documents I have posted, I have hundreds of gun patents (mostly suppressors) as well as class PowerPoints and targets. all for $5.