https://greyhive.com/videos/watch/4cf75745-7cfb-4028-83be-dc515a678b8c This video focuses on the proper installation of Quick Detach (QD) muzzle devices for suppressors, arguing strongly for the use of shims over crush washers. The video explains the importance of correct installation for accuracy and preventing damage like baffle strikes, highlighting how crush washers can deform and cause misalignment. Shims, thin and flat spacers, are presented as a superior option for precise alignment. While briefly mentioning other methods like peel washers, jam nuts, and the Precision Armament Accu-Washer system. Follow AT3 Tactical Projects: https://social.at3tactical.com/ Timestamps: 00:00 – I Messed Up Big Time 00:43 – Why Proper Installation Matters 01:54 – Crush Washers Explained 02:36 – Shims Explained 03:04 – Why Shims Are Better for QD 03:39 – Stuck Muzzle Device Issues 04:08 – Accu-Washer System 04:53 – Jam Nuts 05:32 – How To Install Shims Relevant Links Related Video: https://www.youtube.com/watch?v=EuDVRgY0Hh4&t=563s&pp=ygUSYXQzIG11enpsZSBkZXZpY2Vz Follow us Instagram: @at3tactical Twitter/X: @AT3Tactical Facebook: facebook.com/AT3Tactical 🤝 Transparency We strive to provide the growing AR-15 shooting community with helpful, fact-driven information about the AR-15 & AR-15 style firearms and accessories to do our part in bolstering a more well-informed community and safer when handling, building, or shooting their personal firearm. Let's face it, we all have to start somewhere when it comes to becoming a firearms expert. Our goal is to help you get there one small step at a time. The purpose and content of this video is to provide general information regarding the products and their applications on any/all related firearms that strictly comply with all federal, Minnesota state, and local laws. The viewer expressly agrees that AT3 Tactical LLC; its officers, directors, employees, and agents shall not be liable for any damages or losses related to the products and information provided in this video and hereby agrees to hold the foregoing harmless from any such losses or damages. AT3 Tactical LLC is a Federal Firearms Licensee. AT3 Tactical | Build The Ultimate AR Wed, 17 Jun 2026 11:14:34 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://greyhive.com https://greyhive.com/lazy-static/avatars/5746210d-885d-44b2-9be0-92bf1e4d34df.webp https://greyhive.com/videos/watch/4cf75745-7cfb-4028-83be-dc515a678b8c All rights reserved, unless otherwise specified in the terms specified at https://greyhive.com/about and potential licenses granted by each content's rightholder.