{"product_id":"b5-systems-sierra-k-receiver-extension-buffer-system","title":"B5 Systems Sierra K Receiver Extension Buffer System","description":"\u003cp\u003eThe B5 Systems Sierra K Receiver Extension is a buffer system fits B5 Systems Sierra K Extension.\u003c\/p\u003e\n\u003cp\u003eThe buffer tube (receiver extension), buffer and spring control how an AR-15 cycles and also carry the stock. Check the tube diameter (mil-spec or commercial) and length against your stock and rifle before ordering.\u003c\/p\u003e\n\u003cp\u003eIt is a genuine B5 Systems product, supplied new through our US distributor and offered in Black, Coyote, Olive Drab Green.\u003c\/p\u003e\n\u003ch3\u003eWhat the Sierra K Receiver Extension Buffer System fits\u003c\/h3\u003e\n\u003cp\u003eFits B5 Systems Sierra K Extension. If you are unsure, \u003ca href=\"\/pages\/contact\"\u003econtact us\u003c\/a\u003e before ordering.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eB5 Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eSierra K Receiver Extension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eBuffer System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColours\u003c\/th\u003e\n\u003ctd\u003eBlack, Coyote, Olive Drab Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eSRK-1655 · SRK-1657 · SRK-1658\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eGenuine B5 Systems. \u003cstrong\u003eOrder the B5 Systems Sierra K Receiver Extension Buffer System today\u003c\/strong\u003e — ordered in from the manufacturer for you and sent by Royal Mail Tracked 24, with delivery in 7–10 business days.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExplore more:\u003c\/strong\u003e \u003ca href=\"\/collections\/ar-15-parts-accessories\"\u003eBuffer Systems\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/b5-systems\"\u003eB5 Systems\u003c\/a\u003e.\u003c\/p\u003e","brand":"B5 Systems","offers":[{"title":"Black","offer_id":61648662823246,"sku":"B5SRK-1655","price":82.99,"currency_code":"GBP","in_stock":true},{"title":"Coyote","offer_id":61648662856014,"sku":"B5SRK-1657","price":82.99,"currency_code":"GBP","in_stock":true},{"title":"Olive Drab Green","offer_id":61648662888782,"sku":"B5SRK-1658","price":82.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1081\/3223\/7646\/files\/B5SRK-1655_1_HR.jpg?v=1794498731","url":"https:\/\/onyxarmaments.co.uk\/products\/b5-systems-sierra-k-receiver-extension-buffer-system","provider":"Onyx Armaments","version":"1.0","type":"link"}