Product Description The Otter Creek Arms OPS AE Flash Hider (OCL641) is a precision-engineered muzzle device built for shooters who demand reliable flash suppression and suppressor compatibility. Machined from H900 heat treated 17-4 stainless steel, this flash hider delivers exceptional strength and resistance to wear. The durable black nitride finish provides outstanding corrosion protection and a tactical matte appearance. Featuring a 5/8x24 thread pitch, it is specifically designed for use with the OPS Inc 12th model suppressor, as well as the AEM5 and OCM5 suppressors. Integrated wrench flats allow for secure, hassle-free installation, while a pre-drilled hole accommodates pin/weld applications for legal compliance requirements. Product Highlights Machined from H900 heat treated 17-4 stainless steel for superior strength and long-term durability Black nitride finish delivers excellent corrosion resistance and a low-profile tactical appearance 5/8x24 thread pitch with direct compatibility with OPS Inc 12th model, AEM5, and OCM5 suppressors Integrated wrench flats for easy, secure installation and removal Pre-drilled pin/weld hole for compliance with legal permanent-attachment requirements Specs Brand: Otter Creek Arms LLC MPN: OCL641 UPC: 664533680322 Thread Pitch: 5/8x24 Material: H900 Heat Treated 17-4 Stainless Steel Finish: Black Nitride Compatible With: OPS Inc 12th Model, AEM5, OCM5 Features: Wrench Flats, Pre-Drilled Pin/Weld Hole Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.