F Faxon Firearms 4.5 Light Tapered 9mm SAAMI No Gas Port 4150 Nitride / Melonite Barrel $103.55 15A910N4NLQ show more like this $8.99 Flat Rate or FREE over $175 AR15Discounts F Faxon Duty Series Barrel AR-15 9mm Luger 1 in 10 Twist Light Tapered Steel Nitride - 768225" $105.80 15A910N4NLQ show more like this 5.00 MidwayUSA