The devil hunters are depicted using a german Psg-1 Sniper rifle, which was actually used by Japan's Special Assault Team (SAT) during the 90's. Fujimoto actually researches this stuff lol : r/ChainsawMan
H&K PSG-1: The Ultimate German Sniper Rifle - YouTube
Marui fucile elettrico PSG1 sniper gun
Tokyo Marui PSG-1 AEG Blow Back Sniper Rifle With Scope - DEFCON AIRSOFT
File:H&K PSG-1 Sniper Rifle.jpg - Wikipedia
HK PSG-1 Sniper Rifle - Download Free 3D model by kryckeinc (@kryckeinc) [ce70ca3]
PSG1 H&K, le Forze Speciali richiedono precisione – Armieoltre
Tokyo Marui] PSG-1 Airsoft AEG Sniper Rifle[Single Shot] – SIXmm (6mm)
PSG-1 Sniper Rifle - Machinegun
HK PSG1 - The Noble of Precision Shooting Rifles
WELL FUCILE SNIPER MB4411V PSG-1 - DMR Softair
The VFC/UMAREX H&K PSG-1 GBBR Precision Marksman Rifle – Strikehold.net
Tokyo Marui - PSG-1 Scope (Main Section Only) For PSG-1 Standard AEG Series Parts & Upgrades For Tokyo Marui Airsoft Guns
1/6th Mini Puzzle PSG-1 fucile da cecchino pistola modello 1/6 PSG-1 modello militare in plastica per 12 pollici Action Figure Display