{"product_id":"mk13sd-brake-90t-7-62mm-1-2-28","title":"AAC MK13SD BRAKE 90T 7.62MM 1\/2-28 – Precision Muzzle Brake for Suppressor Mounting","description":"\u003cp\u003eThe AAC MK13SD BRAKE 90T is a precision-machined muzzle brake designed for 7.62mm\/.308 caliber firearms with 1\/2-28 TPI threading. This 90-tooth ratchet mount brake serves as both a functional recoil reduction device and a suppressor mounting interface for compatible AAC suppressors. The 90-tooth design provides precise indexing and timing for optimal suppressor alignment.\u003c\/p\u003e\u003cp\u003eMachined from heat-treated steel with a durable finish, this brake is compatible with standard 1\/2-28 threaded barrels commonly found on AR-15 platforms chambered in 300 Blackout and similar calibers using this thread pitch. Installation requires a crush washer or shim kit (not included) for proper timing and a standard armorer's wrench.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Muzzle brake \/ suppressor mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 7.62mm\/.308\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Pitch:\u003c\/strong\u003e 1\/2-28 TPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount System:\u003c\/strong\u003e 90-tooth ratchet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heat-treated steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e AAC 90T suppressor systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires timing shims or crush washer (sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AAC (Advanced Armament)","offers":[{"title":"Default Title","offer_id":47950720041215,"sku":"AD65017","price":144.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/ad64133556c.jpg?v=1766722491","url":"https:\/\/doublestackstore.com\/products\/mk13sd-brake-90t-7-62mm-1-2-28","provider":"Double Stack Store","version":"1.0","type":"link"}