{"product_id":"j-e-machine-tech-ar-15-carbine-buffer-spring-ps-abt4-piano-steel","title":"J\u0026E Machine Tech AR-15 Carbine Buffer Spring PS-ABT4 - Piano Steel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eJ\u0026amp;E Machine Tech AR-15 Carbine Buffer Spring\u003c\/span\u003e\u003c\/strong\u003e (PS-ABT4) is a direct replacement \u003cstrong\u003ecarbine-length\u003c\/strong\u003e recoil spring engineered for standard \u003cstrong\u003eAR-15\u003c\/strong\u003e lower receivers running a carbine buffer tube. Manufactured from \u003cstrong\u003epiano steel\u003c\/strong\u003e, this buffer spring delivers an \u003cstrong\u003eexcellent impulse feel\u003c\/strong\u003e that promotes faster sight recovery and improved reliability across \u003cstrong\u003e.223 Remington\u003c\/strong\u003e and \u003cstrong\u003e5.56x45mm NATO\u003c\/strong\u003e AR-platform rifles.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned as a drop-in replacement for the factory carbine buffer spring, the J\u0026amp;E PS-ABT4 installs behind the buffer inside the buffer tube assembly and weighs just \u003cstrong\u003e0.15 lb\u003c\/strong\u003e. Whether you are refreshing a worn spring on a duty carbine or maintaining a range build, this J\u0026amp;E Machine Tech part offers a dependable, cost-effective solution for your AR-15.\u003c\/span\u003e\u003c\/p\u003e","brand":"J\u0026E Machine Tech","offers":[{"title":"Default Title","offer_id":55334558400834,"sku":"PSABT4","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_0c0d6f57-1f6c-4656-8a2d-6a908b3b4f47.jpg?v=1785168693","url":"https:\/\/centerfiresystems.com\/products\/j-e-machine-tech-ar-15-carbine-buffer-spring-ps-abt4-piano-steel","provider":"Centerfire Systems","version":"1.0","type":"link"}