{"product_id":"bcm-kd4-spec-upper-group-w-mcmr-13","title":"BCM KD4 Spec Upper Group w\/ MCMR-13","description":"\u003ch2\u003eBravo Company USA BCM KD4 Spec Upper Group w\/ MCMR-13\u003c\/h2\u003e\n\u003cbr\u003eKD4 Upper Group with twist rate designed for 77 grain Black Hills ammunition.  Upper Group features: BCM SS410 16'' Mid Length Upper Receiver Group w\/ BCM MCMR-13 Handguard, 1\/7.7 Twist Ionbond Finish on barrel.\n\u003cbr\u003e\u003cbr\u003eM4 Feed Ramp Barrel Extension (USGI)  M4 Feed Ramp Flat Top Receiver  T-Marked Upper Receivers  1\/7.7 Twist Rates  5.56 NATO Chamber (USMC SAM-R)  410 Stainless Steel\n\u003cbr\u003e\u003cbr\u003eMPN: BCM-URG-KD4-MCMR\n\u003cbr\u003eUPC: ","brand":"Bravo Company USA","offers":[{"title":"Default Title","offer_id":52027164754205,"sku":"BCM-URG-KD4-MCMR","price":857.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0859\/4083\/0493\/files\/BCM-URG-KD4-MCMR.png?v=1784085480","url":"https:\/\/americanpolicesupply.com\/products\/bcm-kd4-spec-upper-group-w-mcmr-13","provider":"American Police Supply","version":"1.0","type":"link"}