{"product_id":"bcm-mk2-receiver-extension","title":"Bcm Mk2 Receiver Extension","description":"BCM MK2 Receiver Extension for your AR15\" M16\" M4. Machined from 7075T6 and manufactured to Mil-Spec dimensions and specifications. Mil-Spec receiver extensions have a slightly smaller dimension where the stock slides on. *NOTE* These buffer tubes require a rifle action spring and specific BCM MK2 buffer, carbine and rifle buffers will NOT work.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eFeatures\u003c\/b\u003e :\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eFits AR\u003c\/li\u003e\n\u003cli\u003e8 Position\u003c\/li\u003e\n\u003cli\u003eCan Reduce Felt Recoil\u003c\/li\u003e\n\u003cli\u003eRequires Proprietary Buffer Weight\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bravo Company","offers":[{"title":"Default Title","offer_id":45857514946779,"sku":"BCM-MK2-RE","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/1072\/7131\/files\/180051639_d4990e35-c858-4d23-a523-fc7dc29e5cf0.webp?v=1738377775","url":"https:\/\/www.atcostammo.com\/products\/bcm-mk2-receiver-extension","provider":"AtCostAmmo.com","version":"1.0","type":"link"}