{"product_id":"j-e-machine-tech-ar-15-pistol-buffer-tube-combo-kit-6061-t6-aluminum-black","title":"J\u0026E Machine Tech AR-15 Pistol Buffer Tube Combo Kit - 6061-T6 Aluminum Black","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eJ\u0026amp;E Machine Tech AR-15 Pistol Buffer Tube Combo Kit\u003c\/span\u003e\u003c\/strong\u003e bundles the key components needed to complete a \u003cstrong\u003eMil-Spec pistol buffer tube\u003c\/strong\u003e assembly on an \u003cstrong\u003eAR-15\u003c\/strong\u003e platform pistol build. The tube itself is machined from \u003cstrong\u003e6061-T6 aluminum\u003c\/strong\u003e in a black finish to \u003cstrong\u003eMil-Spec diameter\u003c\/strong\u003e - small and lightweight enough for an AR pistol, yet strong enough to stand up to short-barreled carbine use.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis combo pairs the buffer tube with everything needed for installation and reliable function: a foam insert that fits inside the tube, a carbine \u003cstrong\u003ebuffer spring\u003c\/strong\u003e, and a \u003cstrong\u003e3 oz carbine buffer\u003c\/strong\u003e in black. Proper gunsmith fitting is required at the receiver extension threads to ensure the tube and endplate seat correctly for consistent cycling.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you're building an AR pistol from the lower up or refreshing a worn tube on an existing pistol-caliber build, this \u003cstrong\u003eJ\u0026amp;E Machine Tech\u003c\/strong\u003e combo delivers the strength and dimensional accuracy of a Mil-Spec component at a working-gunsmith price point.\u003c\/span\u003e\u003c\/p\u003e","brand":"J\u0026E Machine Tech","offers":[{"title":"Default Title","offer_id":55334807208258,"sku":"PSBTPCOMBO","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_5418dae5-3463-478c-a2ec-6cf02ecc02c4.jpg?v=1785169306","url":"https:\/\/centerfiresystems.com\/products\/j-e-machine-tech-ar-15-pistol-buffer-tube-combo-kit-6061-t6-aluminum-black","provider":"Centerfire Systems","version":"1.0","type":"link"}