{"product_id":"siege-brake-9mm-long-sb3-9mm","title":"Siege Brake 9mm – Long (SB3-9MM)","description":"\u003cul\u003e\n\u003cli\u003eLonger length to make 16″ OAL on ~13″ barrels\u003c\/li\u003e\n\u003cli\u003e4.16oz\u003c\/li\u003e\n\u003cli\u003eCompensating Muzzle Brake – Reduces rear recoil as well as compensates for muzzle climb\u003c\/li\u003e\n\u003cli\u003eLarge diameter to maximize surface area hence performance from the lower gas volume of 9mm\u003c\/li\u003e\n\u003cli\u003eMedium amount of downforce\u003c\/li\u003e\n\u003cli\u003eTunable via opening up “tuning holes” on top and sides with a drill (refer to instructions).  Tuning not required\u003c\/li\u003e\n\u003cli\u003eFits 9mm PCC’s or Subguns with 1\/2″-28 barrel threads\u003c\/li\u003e\n\u003cli\u003eIncludes crush washer\u003c\/li\u003e\n\u003cli\u003e416 Stainless Steel\u003c\/li\u003e\n\u003cli\u003eBrakes are bead blasted then go through QPQ Black Nitride giving them a slightly matte black finish\u003c\/li\u003e\n\u003cli\u003eNot necessarily more effective than our regular length 9mm Siege brake\u003c\/li\u003e\n\u003cli\u003e100% made in the USA by Americans like all of our products\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnhappy with current 9mm muzzle device options for pistol caliber carbines and submachine guns, we designed our own.  Current market offerings seem to be either a rifle style muzzle brake bored to 9mm or a vertical compensator.  The rifle style brakes weren’t providing enough downforce while the vertical comps pushed down too much for us.   We settled on a medium downforce design with “tuning holes” that can drilled out to increase down force and\/or side to side force if desired.  Due to to the much lower gas volume and pressure of 9mm compared to centerfire rifle, we went with large diameter brake baffles to maximize surface area and effectiveness.  The generous baffle spacing allows distance for the gas to vector away from the bore line and impact baffles.\u003c\/p\u003e\n\u003ctable class=\"woocommerce-product-attributes shop_attributes\" aria-label=\"Product Details\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--weight\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\" scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e.25 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"woocommerce-product-attributes-item woocommerce-product-attributes-item--dimensions\"\u003e\n\u003cth class=\"woocommerce-product-attributes-item__label\" scope=\"row\"\u003eDimensions\u003c\/th\u003e\n\u003ctd class=\"woocommerce-product-attributes-item__value\"\u003e1 × 1 × 4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Unrivaled","offers":[{"title":"Default Title","offer_id":42411005575250,"sku":null,"price":0.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/7484\/9618\/files\/Unrizvaled-_-Muzzle-Brake-Image.webp?v=1779171875","url":"https:\/\/sdgunsammo.com\/products\/siege-brake-9mm-long-sb3-9mm","provider":"S and D Guns and Ammo","version":"1.0","type":"link"}