{"product_id":"je-machine-tech-ps-bta-combo-4-a2-buffer-tube-kit-3-pc","title":"JE Machine Tech PS-BTA Combo 4 A2 Buffer Tube Kit - 3-Pc","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eJE Machine Tech PS-BTA Combo 4\u003c\/span\u003e\u003c\/strong\u003e is a complete \u003cstrong\u003e3-piece A2 buffer tube kit\u003c\/strong\u003e built around the company's signature fixed-stock buffer tube for the \u003cstrong\u003eAR-15\u003c\/strong\u003e platform. Designed for builders installing or rebuilding a traditional A2-style fixed stock setup, this combo packages the three core installation components into one convenient matched set.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe foundation of the kit is the \u003cstrong\u003eA1 buffer tube\u003c\/strong\u003e, precision-cut from \u003cstrong\u003e6061-T6 aluminum\u003c\/strong\u003e to \u003cstrong\u003eMil-Spec\u003c\/strong\u003e standards so it correctly matches the receiver extension on a standard \u003cstrong\u003eAR-15\u003c\/strong\u003e lower. Inside the tube sits the \u003cstrong\u003eA2 rifle length buffer tube spring (long)\u003c\/strong\u003e, tuned for the longer A2 receiver extension found on fixed rifle-length stocks, with the \u003cstrong\u003eA2 buffer tube screw\u003c\/strong\u003e threading into the rear to retain the action spring, spacer, and stock assembly in place.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you are finishing a new build, replacing worn hardware on a service rifle, or upgrading to JE Machine's well-regarded A1\/A2 tube, the PS-BTA Combo 4 gives you the correct \u003cstrong\u003ebuffer tube, rifle-length spring, and A2 screw\u003c\/strong\u003e in one matched set - no need to piece the components together separately.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e1x A1 Buffer Tube\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e1x A2 Rifle Length Buffer Tube Spring (Long)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e1x A2 Buffer Tube Screw\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JE Machine Tech","offers":[{"title":"Default Title","offer_id":55478765125954,"sku":"201054","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_cf1dea7f-2f30-4f92-9df3-2c6f686d4dd4.png?v=1785572272","url":"https:\/\/centerfiresystems.com\/products\/je-machine-tech-ps-bta-combo-4-a2-buffer-tube-kit-3-pc","provider":"Centerfire Systems","version":"1.0","type":"link"}