{"product_id":"kynshot-rb5000l-ar-15-300-blackout-hydraulic-recoil-buffer-stainless-steel","title":"Kynshot RB5000L AR-15 300 Blackout Hydraulic Recoil Buffer - Stainless Steel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eKynshot RB5000L\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003ehydraulic recoil buffer\u003c\/strong\u003e purpose-built for \u003cstrong\u003eAR-15\u003c\/strong\u003e platforms chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e300 Blackout\u003c\/span\u003e\u003c\/strong\u003e that run a \u003cstrong\u003eMil-Spec carbine buffer tube\u003c\/strong\u003e. As a slightly lighter-weight variant of the proven RB5000, the \"L\" weighs just \u003cstrong\u003e4.0 oz\u003c\/strong\u003e, allowing the action to cycle marginally faster for cleaner reliability on soft-cycling, under-gassed setups common with \u003cstrong\u003e300 BLK\u003c\/strong\u003e loads.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe buffer body is machined from \u003cstrong\u003e17-4 stainless steel\u003c\/strong\u003e for excellent corrosion resistance and long service life, and is filled with \u003cstrong\u003eMil-Spec hydraulic fluid\u003c\/strong\u003e that absorbs rearward bolt carrier energy and slows the opening cycle. This damping action reduces felt recoil, helps tame carrier bounce, and supports reliable cycling on \u003cstrong\u003e300 Blackout\u003c\/strong\u003e rifles that may be soft-cycling due to suppressor use, an adjustable gas block tuned on the lighter side, or other under-gassed configurations.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMeasuring \u003cstrong\u003e3.65\"\u003c\/strong\u003e overall and compressing to \u003cstrong\u003e3.25\"\u003c\/strong\u003e, the RB5000L drops into a standard \u003cstrong\u003eMil-Spec carbine buffer tube\u003c\/strong\u003e without modification, making it a direct, drop-in upgrade for any AR-15 build struggling with reliability on \u003cstrong\u003e300 Blackout\u003c\/strong\u003e ammunition.\u003c\/span\u003e\u003c\/p\u003e","brand":"Kynshot","offers":[{"title":"Default Title","offer_id":55110929252674,"sku":"179163","price":111.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_543558b5-b033-41a0-b98a-6941fd720553.png?v=1784804182","url":"https:\/\/centerfiresystems.com\/products\/kynshot-rb5000l-ar-15-300-blackout-hydraulic-recoil-buffer-stainless-steel","provider":"Centerfire Systems","version":"1.0","type":"link"}