{"product_id":"duty-series-gunner-profile-18-rifle-length-5-56-nato-ar15-barrel","title":"DUTY SERIES GUNNER PROFILE 18\" RIFLE-LENGTH 5.56 NATO AR15 BARREL","description":"\u003cheader style=\"margin-bottom: 1rem;\"\u003e\n\u003ch1 style=\"font-size: clamp(1.6rem,2vw,2.1rem); margin: 0 0 .25rem 0;\"\u003eFaxon Duty Series Gunner Profile — 18\" Rifle-Length 5.56 NATO (1:8 Twist)\u003c\/h1\u003e\n\u003cp style=\"margin: .25rem 0 0 0; color: #444;\"\u003ePrecision, balance, and reach — Faxon’s 18\" Gunner brings long-range accuracy with lightweight control.\u003c\/p\u003e\n\u003c\/header\u003e\n\u003csection style=\"margin: 1rem 0;\" aria-label=\"Product Summary\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eFaxon Duty Series 18\" Gunner Profile 5.56 NATO barrel\u003c\/strong\u003e blends the durability of a Government contour with the weight savings of a Pencil profile. Designed for \u003cstrong\u003erifle-length gas systems\u003c\/strong\u003e, this barrel delivers exceptionally smooth recoil and excellent velocity, making it ideal for precision builds, competition rifles, and hunting platforms.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin: 1.5rem 0;\" aria-label=\"Key Benefits\"\u003e\n\u003ch2 style=\"font-size: clamp(1.25rem,1.6vw,1.5rem); margin: 0 0 .5rem 0;\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul style=\"padding-left: 1.25rem; margin: 0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Gunner profile:\u003c\/strong\u003e Combines Gov’t strength with Pencil weight savings for the ideal performance blend.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRifle-length gas system:\u003c\/strong\u003e Provides the softest recoil impulse and most consistent cycling for 5.56 platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLonger dwell time:\u003c\/strong\u003e Enhances accuracy and velocity, ideal for precision and long-range AR-15 setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable 4150 CMV steel:\u003c\/strong\u003e Fully stress-relieved, air-gauge tested, and magnetic particle inspected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion resistant:\u003c\/strong\u003e Inside and out \u003cstrong\u003eblack nitride finish\u003c\/strong\u003e extends service life and simplifies cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight for its length:\u003c\/strong\u003e Weighs just \u003cstrong\u003e1.58 lbs\u003c\/strong\u003e, providing excellent balance and handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin: 1.5rem 0;\" aria-label=\"Specifications\"\u003e\n\u003ch2 style=\"font-size: clamp(1.25rem,1.6vw,1.5rem); margin: 0 0 .5rem 0;\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: 240px 1fr; border: 1px solid #e5e5e5; border-radius: 8px; overflow: hidden;\" role=\"table\"\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eCaliber\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003e5.56 NATO\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eLength\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003e18\" (Rifle-Length Gas)\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eProfile\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003eGunner (Gov’t\/Pencil Blend)\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003e4150 CMV Steel\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eRifling\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003eButton-rifled, 1:8 Twist\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003eBlack Nitride (Inside \u0026amp; Out)\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eGas System\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003eRifle-Length\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eGas Block Diameter\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003e.625\"\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eGas Block Journal Length\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003e1.9\"\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eMuzzle Thread\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003e1\/2-28 TPI\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eBarrel Extension\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003eM4\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa; border-bottom: 1px solid #eee;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; border-bottom: 1px solid #eee;\"\u003e1.58 lb (approx.)\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem; background: #fafafa;\"\u003e\u003cstrong\u003eCrown\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv style=\"padding: .75rem 1rem;\"\u003e11° Target Crown\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin: 1.5rem 0;\" aria-label=\"Why Gunner Profile\"\u003e\n\u003ch2 style=\"font-size: clamp(1.25rem,1.6vw,1.5rem); margin: 0 0 .5rem 0;\"\u003eWhy Choose the Gunner Profile\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGunner profile\u003c\/strong\u003e merges the heat control of a Government profile with the weight savings of a Pencil barrel. This hybrid design shifts balance toward the shooter for improved handling, especially when firing from standing or dynamic positions. The result is a rifle that feels fast, stable, and accurate — perfect for practical rifle builds and high-volume training.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin: 1.5rem 0;\" aria-label=\"Installation \u0026amp; Compatibility\"\u003e\n\u003ch2 style=\"font-size: clamp(1.25rem,1.6vw,1.5rem); margin: 0 0 .5rem 0;\"\u003eInstallation \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cul style=\"padding-left: 1.25rem; margin: 0;\"\u003e\n\u003cli\u003eStandard \u003cstrong\u003eM4 barrel extension\u003c\/strong\u003e fits AR-15 upper receivers.\u003c\/li\u003e\n\u003cli\u003eCompatible with \u003cstrong\u003e.625\"\u003c\/strong\u003e gas blocks on a \u003cstrong\u003e1.9\"\u003c\/strong\u003e journal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1\/2-28\u003c\/strong\u003e threads support brakes, comps, and suppressor mounts.\u003c\/li\u003e\n\u003cli\u003eOptimized for \u003cstrong\u003erifle-length gas tubes\u003c\/strong\u003e and standard AR-15 carriers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"Faxon","offers":[{"title":"Default Title","offer_id":42427033419858,"sku":null,"price":0.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/7484\/9618\/files\/15A58R18NGQ__66141.jpg?v=1779953824","url":"https:\/\/sdgunsammo.com\/products\/duty-series-gunner-profile-18-rifle-length-5-56-nato-ar15-barrel","provider":"S and D Guns and Ammo","version":"1.0","type":"link"}