{"product_id":"griffin-armament-m4sd-gate-lok-hammer-comp-22-cal-5-56-nato-1-2x28-17-4-stainless-steel-black-qpq-nitride","title":"Griffin Armament M4SD Gate-Lok Hammer Comp 22 Cal \/ 5.56 NATO 1\/2x28 17-4 Stainless Steel - Black QPQ Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eGriffin Armament M4SD Gate-Lok Hammer Comp\u003c\/span\u003e\u003c\/strong\u003e is a precision \u003cstrong\u003ecompensator\u003c\/strong\u003e built around the company's proven \u003cstrong\u003eGate-Lok\u003c\/strong\u003e quick-detach mounting system, purpose-designed for \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e AR-pattern carbines. Machined from heat-treated \u003cstrong\u003e17-4PH stainless steel\u003c\/strong\u003e (H900 heat treatment, approximately 45 RC) and finished in low-glare \u003cstrong\u003eblack QPQ nitride\u003c\/strong\u003e, the M4SD delivers meaningful recoil and muzzle-rise reduction without the weight penalty of a heavier brake.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt just \u003cstrong\u003e2.4 oz\u003c\/strong\u003e, the Hammer Comp measures only \u003cstrong\u003e1.75\" overall\u003c\/strong\u003e with an \u003cstrong\u003e0.863\" outer diameter\u003c\/strong\u003e, keeping your rifle's handling quick and pointable. The integrated overtravel stop and dual sacrificial baffles work together to redirect gas, flatten recoil, and keep the sights on target for faster follow-up shots on the \u003cstrong\u003eAR-15\u003c\/strong\u003e \/ \u003cstrong\u003eM4\u003c\/strong\u003e platform. The Gate-Lok locking interface provides a tight, repeatable lock-up and is fully ambidextrous for left- or right-hand installation.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThreaded \u003cstrong\u003e1\/2x28\u003c\/strong\u003e for direct fitment to standard 5.56 carbine barrels, the M4SD ships with a \u003cstrong\u003epeel washer\u003c\/strong\u003e for clean, shim-free timing against non-shouldered muzzles, making it a straightforward upgrade for any 5.56 carbine build.\u003c\/span\u003e\u003c\/p\u003e","brand":"Griffin Armament","offers":[{"title":"Default Title","offer_id":55816521744706,"sku":"194920","price":90.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_4b7f95b3-b7ad-4e0e-a3f2-2a8becb6e68b.png?v=1786093948","url":"https:\/\/centerfiresystems.com\/products\/griffin-armament-m4sd-gate-lok-hammer-comp-22-cal-5-56-nato-1-2x28-17-4-stainless-steel-black-qpq-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}