{"product_id":"aero-precision-m4e1-semi-automatic-stripped-lower-receiver-223-remington-556nato-anodized-finish-black","title":"Aero Precision, M4E1, Semi-automatic; Stripped Lower Receiver, 223 Remington\/556NATO, Anodized Finish, Black","description":"\u003cp\u003e\u003cspan data-sheets-root=\"1\" data-sheets-value='{\"1\":2,\"2\":\"The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge much more expensive billet options, we have added several functional features to the lower receiver to simplify the assembly process for the at home builder.\\n\\nThreaded Bolt Catch Roll Pin\\nIntegrated Trigger Guard\\nUpper Tension Screw\\nthreaded Takedown Pin Detent Recess\\nIncreased Magwell Flare\\nMarked and milled to accept short-throw safety selectors, but will work with standard selectors as well\\nWorks with standard AR15 components and magazines\\nPerfect base for your custom AR15 build\\nMachined to mil-spec dimension\"}' data-sheets-userformat='{\"2\":8705,\"3\":{\"1\":0},\"12\":0,\"16\":10}'\u003eThe M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design provides that challenge much more expensive billet options, we have added several functional features to the lower receiver to simplify the assembly process for the at home builder.\u003cbr\u003e\u003cbr\u003eThreaded Bolt Catch Roll Pin\u003cbr\u003eIntegrated Trigger Guard\u003cbr\u003eUpper Tension Screw\u003cbr\u003ethreaded Takedown Pin Detent Recess\u003cbr\u003eIncreased Magwell Flare\u003cbr\u003eMarked and milled to accept short-throw safety selectors, but will work with standard selectors as well\u003cbr\u003eWorks with standard AR15 components and magazines\u003cbr\u003ePerfect base for your custom AR15 build\u003cbr\u003eMachined to mil-spec dimension\u003c\/span\u003e\u003c\/p\u003e","brand":"Black Basin","offers":[{"title":"1","offer_id":48339362873444,"sku":"815421022315-1","price":139.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0768\/6625\/6996\/files\/100537.jpg?v=1777470551","url":"https:\/\/blackbasin.com\/products\/aero-precision-m4e1-semi-automatic-stripped-lower-receiver-223-remington-556nato-anodized-finish-black","provider":"Black Basin","version":"1.0","type":"link"}