Chambered for 5.56x45 NATO, originally derived from .223 Remington, 5.56 NATO is the standardized and most popular cartridge developed for the AR-15 platform. Utilizing a .22 Caliber projectile, the low mass, high-velocity cartridge allows superior weapons handling with manageable recoil and high accuracy. With a wide variety of ammunition choices on the market, 5.56 NATO chambered AR-15s are 'multi-caliber' and can reliably fire both 5.56x45 NATO and .223 Remington cartridges.
This Is A 14.5" 5.56 NATO AR Barrel Designed To Military Specifications. Made From 4150 CMV With A Manganese Phosphate Finish, This Barrel Has A 1/2x28 Thread Pitch And A 1-7 Twist Rate. This Barrel Has Been High Pressure Tested With M197 Cartridge Test Fired, And Was Also Magnetic Particle Tested. This Barrel Includes The Military Cage Code, And The Military Specified Packaging. Includes The Protective VCI Tube Inserted Through Every Barrel Bore, And Sealed In A Protective VCI Bag. These Barrels Are Part Of A Production Run For The US Military That Were Not Delivered. This Barrel Machined From CroMoV Steel, Features Heavy Barrel Contour, Has A Black Phosphate Finish And Includes A Chromium Plated Chamber And Bore (Chrome Lined).
This Build Includes A Strike Industries Miller Comp Muzzle Device. Designed To Be Slimmer, When This Muzzle Is Installed It Matches The Profile Of The Host Barrel Allowing Shooters To Pull The Gas Block Off Without The Need To Remove The Muzzle Device.
The Davidson Defense "Panhead" AR-15 Billet Upper Receiver Is Precision Machined From A Solid Block Of 6061-T6 Aircraft Grade Aluminum. Panheads Are Known For Having A Unique Ascetic, As Well As Being Functional. The Panhead AR-15 Billet Upper Boasts A Sleek And Clean Design, That Doesn't Comprise Structural Integrity While Maintaining A Slimmer Profile For Weight Reduction. To Maintain Corrosion Resistance, The Panhead Is Treated With A Type 3 Hardcoat Anodizing. Additionally, The Panhead Fits A Traditional Mil-Spec Ejection Port Door.
We get a group of these every once in a while. They are brand new sets of original GI type handguards for AR-15 guns with a carbine-length gas system. Fits round front cap. New parts pulled from new guns. Never used, just mounted once on a new gun and then removed.