AR15 Uppers

Made by CMMGThis is a complete .22LR semi-auto upperFits mil-Spec semi-auto AR15 style lowersCaliber: .22LR Sporting ChamberBarrel: 16" M4 Profile BarrelWASP Treated 4140 Chrome-Moly Steel1:16" TwistHand Guard: M4 Style Hand GuardSights/Gas Block: Low Profile Railed Gas Block Without Iron SightsBolt Group: Phosphated .22 Bolt Group W.A.S.P. Treated Barrel Specs: (Weapon Armament Surface Protection) is a salt bath ferritic nitrocarburizing surface conversion process or more commonly referred to as nitriding. The nitriding conversion is applied to the barrel inside and out, along with the front sight base on our LE rifles and uppers. Nitriding offers improved wear, abrasion, and corrosion resistance when compared to hard chrome lining or phosphating. Unlike chrome lining, where the chrome is built up on the surface, nitriding converts the surface without the risk of dimensional build up. CMMG Pioneered the use of this nitriding process on AR barrels and has been using it for...

Made in the USA by Midwest IndustriesComplete upper receiver includes 5.56 FN Hammer forgedChrome lined 1-7" twist medium contour barrelBCM Mod.04 gunfighter charging handleCarpenter steel 158 bolt and carrier groupMidwest Industries free float handguardBillet upper receiver with M4 feed rampsLow profile gas blockMid length gas tube Only available in all black color. This upper comes completely assembled by Midwest Industries. This upper receiver can be installed directly on any 5.56/.223 caliber small pin lower receiver. This item qualifies for FREE shipping. Note that once installed, this item cannot be returned for a refund. This item cannot be shipped to New York or Connecticut. ____________________________________

MI AR-15 Billet Upper Machined from billet 6061 aluminumMil spec black hard coat anadizedThicker wall for increased strengthComes standard with T markingCut for M4 feed rampsWeight 8.9ozMade in the USA All items are Brand New w/ Full Manufacture Warranty This Item Qualifies for FREE SHIPPING ____________________________________

Please note this item is currently out of stock but we are accepting back orders. Currently the approximate delivery date for these is 6 months. Feel free to make the purchase and you will be put on the back order list. Note that these are custom made per each individual order so once the order is placed, the purchase is non-refundable. Barrel 7.25", 10.5", 14.5", 16.5", and 18" heavy contour hand-lapped button twisted rifled, fluted to reduce weight and heat.4150 Mil-B-11595 chrome-moly-vanadium alloy (machine gun rated).Corrosion resistant nitride heat-treated 1:8.POF-USA .75" (7.25" barrel) and 1.5" muzzle devices.5.56x45 mm NATO (.223 Remington) chamber. Method of Operation Gas Piston operated, rotating bolt (short stroke system).3-position gas system for normal, suppressed, and bolt-action operating modes.C.R.O.S. (Corrosion Resistant Operating System) Nitride heat treated barrel, single-piece gas block, Nitride heat-treated gas plug,...

THIS ITEM QUALIFIES FOR FREE SHIPPING FEATURES Made in the USA by RockRiver This is a complete upper receiver assembly for AR15 type rifles Includes Bolt and Carrier assembly Air Gauged 20" Stainless Steel Varmint bull barrel with 1:8 Twist Free Float Rock River TRO-STD Handguard with 2 Bolt-on Accessory Rails Forged A4 Style upper Low profile gas block .223 Wylde Chamber for reliable function with both 5.56 and .223 caliber Comes fully assembled from the factory and ready to install Brand New w/ Full Manufacture Warranty Against Defects This Item Qualifies for FREE SHIPPING ____________________________________