Featuring a Chrome-Moly barrel with a phosphate finish, this AR upper receiver with a MLOK rail is completely assembled and ready to pin onto your existing lower receiver. The receiver is chambered for .223 Wylde. At Pickett's Mill Armory, we take pride in selling upper receivers that are crafted from the finest materials. Each of these short-barrel rifle receivers is test-fired before shipping to ensure quality and safety.
Our .223 Wylde upper receiver features an M4 feed ramp flat-top receiver with feed ramps on both the barrel extension and the upper. The 12 inch tactical free-float M-LOK rail is designed to allow you to mount items and attachments while staying off the barrel so as not to affect harmonics thus enhancing accuracy. It has a black anodized finish that meets military specifications. Please note that this 10.5 inch upper receiver does not include a nitrided auto bolt carrier and charging handle but they can be added. Order this upper receiver today for precision, quality and safety you can count on.
- M4 Feed Ramp Flat Top Receiver.
-Black anodized mil-spec finished upper receiver.
-Feed ramps on the barrel extension and upper.
-4150 Chrome Moly Barrel.
-Phosphate barrel finish
-Chambered in .223 Wylde
-10.5" M4 Profile barrel with M4 Extension
-1/7 Barrel Twist
-.750" diameter at gas block
-1/2-28 threaded muzzle/barrel
-Low profile Steel gas block with carpenter 158 screws
-Carbine length gas system
-Flash Can Muzzle Device
-12" Tactical Free Float M-LOK Rail