{"product_id":"maxim-9mm-roller-delayed-systm-carb","title":"Maxim Defense Industries 9mm Roller Delayed System – AR-15\/AR-9 Carbine","description":"\u003cp\u003eThe Maxim Defense Industries 9mm Roller Delayed System converts your AR-15 lower receiver into a reliable 9mm carbine using proven roller-delayed blowback operation. This system eliminates the need for heavy buffers and traditional direct blowback components, delivering softer recoil impulse and reduced bolt carrier movement compared to standard blowback 9mm AR builds. Ideal for shooters seeking improved shootability and reduced wear on lower receiver components.\u003c\/p\u003e\u003cp\u003eMachined from steel and aluminum with a black finish, this system includes the complete roller-delayed bolt carrier assembly and barrel designed to work together as a matched set. Installation requires basic AR-15 armorer knowledge and standard tools—no permanent modifications to your lower receiver. The roller-delayed mechanism allows for lighter reciprocating mass while maintaining reliable function with standard 9mm ammunition.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Complete Roller-Delayed Blowback System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15\/AR-9 Lower Receivers (9mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel bolt assembly, aluminum components\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-In (AR armorer experience recommended)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Roller-delayed bolt carrier assembly, barrel, and mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Maxim Defense Industries","offers":[{"title":"Default Title","offer_id":48301565804799,"sku":"MXM-47839","price":181.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/5803521.jpg?v=1773888589","url":"https:\/\/doublestackstore.com\/products\/maxim-9mm-roller-delayed-systm-carb","provider":"Double Stack Store","version":"1.0","type":"link"}