{"product_id":"spearhead-elr-self-timing-muzzle-brake-5-port","title":"Spearhead Machine ELR Self Timing Muzzle Brake 5 Port","description":"\u003cp\u003eSelf-timing hybrid top + side port brake with proprietary linked port (double expansion chamber). The hybrid top and side ports keep the muzzle down so you can watch your impacts, and the self-timing collar installs by hand. Built for large ELR cartridges (.30 through .416).\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVented ports let you spot your own trace at long range\u003c\/li\u003e\n\u003cli\u003eRecoil reduction sized for large ELR cartridges\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"spec-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDesign\u003c\/th\u003e\n\u003ctd\u003e5-port self-timing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e1.5\" brake body, 1.5\" locking collar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e4.890\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBack taper\u003c\/th\u003e\n\u003ctd\u003eVaries by option (see below)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e468 g \/ 16.51 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e17-4 PH stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstallation\u003c\/th\u003e\n\u003ctd\u003eSelf-timing locking collar, tensioning key included; no tools needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLeveling\u003c\/th\u003e\n\u003ctd\u003eLeveling flat on the bottom for precise leveling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eLarge ELR cartridges (.30 through .416)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eAvailable options\u003c\/h3\u003e\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eThread Pitch\u003c\/th\u003e\n\u003cth\u003eBore (Caliber)\u003c\/th\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/4-24\u003c\/td\u003e\n\u003ctd\u003e.30\/.338\u003c\/td\u003e\n\u003ctd\u003eStainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/4-24\u003c\/td\u003e\n\u003ctd\u003e.30\/.338\u003c\/td\u003e\n\u003ctd\u003eBlack Nitride\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/4-24\u003c\/td\u003e\n\u003ctd\u003e.375\u003c\/td\u003e\n\u003ctd\u003eStainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/4-24\u003c\/td\u003e\n\u003ctd\u003e.375\u003c\/td\u003e\n\u003ctd\u003eBlack Nitride\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\/8-24\u003c\/td\u003e\n\u003ctd\u003e.375\u003c\/td\u003e\n\u003ctd\u003eStainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\/8-24\u003c\/td\u003e\n\u003ctd\u003e.375\u003c\/td\u003e\n\u003ctd\u003eBlack Nitride\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eChoose a bore that matches or exceeds your caliber.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eMake sure the firearm is completely unloaded.\u003c\/li\u003e\n\u003cli\u003eConfirm the brake bore matches or exceeds your caliber.\u003c\/li\u003e\n\u003cli\u003eRemove the factory thread protector or muzzle device, and any O-ring on the threads.\u003c\/li\u003e\n\u003cli\u003eThread on the locking collar and brake, time the brake by hand, then lock it with the included tensioning key.\u003c\/li\u003e\n\u003cli\u003eRemove the key after tightening.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003ePrecision machined by Spearhead Machine in Canada.\u003c\/p\u003e","brand":"B\u0026B Firearms","offers":[{"title":"3\/4-24 \/ .30\/.338 \/ Stainless","offer_id":67387970584866,"sku":"SPH-4506-3-4-24-30-338-STAINLESS","price":276.46,"currency_code":"USD","in_stock":true},{"title":"3\/4-24 \/ .30\/.338 \/ Black Nitride","offer_id":67387970617634,"sku":"SPH-4506-3-4-24-30-338-BLACK-NITRIDE","price":276.46,"currency_code":"USD","in_stock":true},{"title":"3\/4-24 \/ .375 \/ Stainless","offer_id":67387970650402,"sku":"SPH-4506-3-4-24-375-STAINLESS","price":276.46,"currency_code":"USD","in_stock":true},{"title":"3\/4-24 \/ .375 \/ Black Nitride","offer_id":67387970683170,"sku":"SPH-4506-3-4-24-375-BLACK-NITRIDE","price":276.46,"currency_code":"USD","in_stock":true},{"title":"7\/8-24 \/ .375 \/ Stainless","offer_id":67387970715938,"sku":"SPH-4506-7-8-24-375-STAINLESS","price":276.46,"currency_code":"USD","in_stock":true},{"title":"7\/8-24 \/ .375 \/ Black Nitride","offer_id":67387970748706,"sku":"SPH-4506-7-8-24-375-BLACK-NITRIDE","price":276.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0869\/0896\/1058\/files\/ELR-001.jpg?v=1790456587","url":"https:\/\/bnbfirearms.com\/products\/spearhead-elr-self-timing-muzzle-brake-5-port","provider":"B\u0026B Firearms","version":"1.0","type":"link"}