{"product_id":"angstadt-40sw-45acp-buffer-kit","title":"Angstadt Arms .40 S\u0026W \/ .45 ACP Buffer Kit – AR-Platform Pistol Caliber Carbines","description":"\u003cp\u003eThe Angstadt Arms Buffer Kit is purpose-built for AR-platform pistol caliber carbines chambered in .40 S\u0026amp;W or .45 ACP. It delivers the proper reciprocating mass and dampening to ensure reliable cycling with heavier pistol caliber ammunition while reducing felt recoil and controlling bolt carrier velocity. This kit addresses the unique demands of larger-bore pistol caliber builds that standard carbine buffers can't handle.\u003c\/p\u003e\u003cp\u003eEngineered specifically for .40 S\u0026amp;W and .45 ACP applications, this buffer kit includes everything needed for installation in your AR-pattern lower receiver. The buffer weight and spring are calibrated to work with direct blowback operating systems common to pistol caliber carbines. Simple drop-in installation requires no gunsmithing or permanent modification.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Pistol Caliber Carbine Buffer Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-platform pistol caliber carbines in .40 S\u0026amp;W and .45 ACP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponents:\u003c\/strong\u003e Buffer and buffer spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating System:\u003c\/strong\u003e Direct blowback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Angstadt Arms","offers":[{"title":"Default Title","offer_id":47944016462079,"sku":"ANGAA45BUFKIT","price":61.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1241004.jpg?v=1766612241","url":"https:\/\/doublestackstore.com\/products\/angstadt-40sw-45acp-buffer-kit","provider":"Double Stack Store","version":"1.0","type":"link"}