BrickArms Modular (BAM) Shotguns with Hacksaw – Fresh Stock Blocks
Double Barrel Shotgun V2! With An All New Feature Never Before Seen In LEGO Guns, Smart Ejection! More Info In The Captions! : r/legoguns
Amazon.com: Gun Building Block, 1006+Pcs Manually Loaded Shooting Blaster Model Kit, Military Double-Barreled Shotgun Weapon Building Kit Compatible with Lego Technic : Toys & Games
Lego Double Barreled Shotgun | Just a little table-scrap I m… | Flickr