{"product_id":"silencerco-ac1346-piston-45-acp-578x28-xl-stainless-steel","title":"SilencerCo AC1346 Piston 45 ACP .578x28 XL Stainless Steel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eSilencerCo AC1346 Piston\u003c\/span\u003e\u003c\/strong\u003e is an \u003cstrong\u003eXL (extended-length)\u003c\/strong\u003e Nielsen device piston built for \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e45 ACP\u003c\/span\u003e\u003c\/strong\u003e host pistols equipped with \u003cstrong\u003e.578x28\u003c\/strong\u003e threaded barrels. The piston is designed to be swapped between different host firearms or calibers, threading directly onto SilencerCo suppressor barrels to ensure proper cycling and alignment on handguns with longer or recessed threaded bores.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMachined from \u003cstrong\u003e17-4 stainless steel\u003c\/strong\u003e and then \u003cstrong\u003eheat-treated for maximum durability\u003c\/strong\u003e, this piston is built to withstand the repeated recoil impulse of semi-automatic fire. The \u003cstrong\u003efemale threads\u003c\/strong\u003e attach to SilencerCo threaded barrels, allowing the user to change pistons to tune the Nielsen device for a specific host platform.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003eXL (extended length)\u003c\/strong\u003e designation means this piston is intended for \u003cstrong\u003elonger or recessed-thread barrels\u003c\/strong\u003e common on many 45 ACP pistols. Choosing the correct piston length maintains reliable lockup, proper alignment, and consistent cycling with the host firearm's breech.\u003c\/span\u003e\u003c\/p\u003e","brand":"SilencerCo","offers":[{"title":"Default Title","offer_id":55048741716290,"sku":"180526","price":75.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_55dc3b10-d599-4460-b5f6-dcf8cb28c633.png?v=1784703522","url":"https:\/\/centerfiresystems.com\/products\/silencerco-ac1346-piston-45-acp-578x28-xl-stainless-steel","provider":"Centerfire Systems","version":"1.0","type":"link"}