[72] MP5 v. Scheel v. Maxim v. GRS. How do they compare?

Comparing the roller delayed MP5 vs. roller delayed Scheel system for 9mm AR vs. Maxim drop-in bearing delay for 9mm AR vs. the Gentle Recoil System which has no mechanical delay at all. The Scheel was loaned to the channel by a viewer. YouTube Compliance: This video is not sponsored and does not contain paid promotions. All magazines in use hold under 30 rounds. All firearms are semi-auto only. All products shown are lawful to own. This video is an artistic production. I wear ear plugs, or muffs, or both, in every shooting video. Disclaimer: Blowback9's videos are filmed at a private shooting club in a controlled setting under the supervision of trained professionals. Blowback9's videos are for entertainment purposes only. Do not try to recreate or mimic anything seen in Blowback9's videos. Do not act in any way based upon any of the information found in Blowback9's videos. The accuracy of the information in Blowback9's videos is not guaranteed or warranted in any way. You, and only you, are responsible for the consequences of your actions. By watching Blowback9's videos you agree that we will not be held liable for any injury to yourself, others, or property resulting from attempting anything based on what is shown or described in these videos.