Product Description The ALLEYCAT Spooky2/A1 is a precision-engineered muzzle brake built for 5.56mm rifle platforms with a 1/2x28 thread pitch. Machined from 4140 steel and finished in a durable black nitride coating, this muzzle device has been meticulously developed to deliver rapid detachment capability and optimal internal performance when paired with C.A.T suppressors. The Spooky2/A1 is engineered with a focus on regulating gas flow and managing back pressure, ensuring a seamless suppressor interface that enhances the ability to mitigate sound, flash, and recoil signatures. Its proprietary geometry promotes balanced flow dynamics while maintaining consistency across a variety of weapon platforms, resulting in a faster, more intuitive mounting system and a measurable improvement in overall suppressor efficiency and shooter experience. Product Highlights Precision-machined from 4140 steel with a corrosion-resistant black nitride finish for long-lasting durability in demanding environments 1/2x28 barrel thread pitch paired with a 1x16LH quick-detach interface for fast, secure, and repeatable suppressor mounting Proprietary internal geometry actively regulates gas flow and manages back pressure to maximize suppressor performance Lightweight at just 2.5 oz with a compact overall length of 1.81 inches, adding only 1.19 inches to the muzzle Engineered specifically to interface with C.A.T suppressors, enhancing mitigation of sound, flash, and recoil signatures across multiple weapon platforms Specs Brand: ALLEYCAT Model: CAT/SPOOKY2/A1 Type: Muzzle Brake Caliber: 5.56mm Weight: 2.5 oz Overall Length: 1.81" Added Length: 1.19" Barrel Thread (Attachment): 1/2x28 QD Attachment: 1x16LH Material: 4140 Steel Finish: Black Nitride UPC: 615629006526 MPN: ACSP2A1 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.