THe handgun he's using I think
https://www.amazon.com/Walther-Spring-Airsoft-Pistol-Accessories/dp/B00AU6D344/ref=sr_1_2?crid=2P1ONPNRCBJ54&keywords=spring+pistol+airsoft&qid=1674590151&sprefix=spring+pistol+airsof%2Caps%2C104&sr=8-2