{"product_id":"franklin-armory-bfsiii-m4-7075-t6-aluminum-black-hardcoat-anodized-multi-cal-lower-receiver-w-binary-trigger","title":"Franklin Armory BFSIII M4 7075-T6 Aluminum Black Hardcoat Anodized Multi-Cal Lower Receiver w\/ Binary Trigger","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eFranklin Armory BFSIII M4 lower receiver\u003c\/span\u003e\u003c\/strong\u003e is a fully assembled \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003emulti-caliber\u003c\/span\u003e\u003c\/strong\u003e AR-15\/M4-pattern lower built around Franklin Armory's \u003cstrong\u003eBinary Firing System III\u003c\/strong\u003e trigger. The receiver is forged from \u003cstrong\u003e7075-T6 aluminum\u003c\/strong\u003e and finished in \u003cstrong\u003ehard coat type III anodized black\u003c\/strong\u003e for outstanding wear and corrosion resistance in hard-use conditions.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt the heart of this lower is the \u003cstrong\u003eBFSIII binary trigger\u003c\/strong\u003e, which produces one round on the pull of the trigger and a second round on the release, giving the shooter rapid follow-up shots in binary mode. A \u003cstrong\u003especialized tension screw\u003c\/strong\u003e is built into the receiver to take up upper-to-lower play for a tight, rattle-free fit between the two halves. The lower is outfitted with a classic \u003cstrong\u003eblack A2 pistol grip\u003c\/strong\u003e and an \u003cstrong\u003eM4-style reinforced six-position stock\u003c\/strong\u003e for adjustable length-of-pull across different shooting stances or layers of clothing.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eA \u003cstrong\u003e30-round 5.56 NATO magazine\u003c\/strong\u003e ships with the lower, manufactured from \u003cstrong\u003estainless steel with a Marlube finish\u003c\/strong\u003e for smooth and reliable feeding. Compatible Franklin Armory \u003cstrong\u003e10\/20 and 10\/30\u003c\/strong\u003e magazine configurations are also supported. This is a complete, serialized AR-15\/M4-pattern lower receiver ready to pair with a compatible upper to build out a rifle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eDISCLAIMER:\u003c\/span\u003e\u003c\/strong\u003e Firearms and receivers are subject to state-specific shipping restrictions and must be transferred through a valid FFL dealer. Please visit \u003ca href=\"\/shipping-restrictions\/\" target=\"_blank\"\u003eour shipping restrictions page\u003c\/a\u003e to review all applicable restrictions for your state. Subject to change.\u003c\/span\u003e\u003c\/p\u003e","brand":"Franklin Armory","offers":[{"title":"Default Title","offer_id":55101090365762,"sku":"177644","price":326.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_764b290b-5b15-41c1-a108-c3fcacd472df.png?v=1784791029","url":"https:\/\/centerfiresystems.com\/products\/franklin-armory-bfsiii-m4-7075-t6-aluminum-black-hardcoat-anodized-multi-cal-lower-receiver-w-binary-trigger","provider":"Centerfire Systems","version":"1.0","type":"link"}