Builder's Grade Blemished 14.5" 5.56 Upper Receiver | 12" KEYMOD | With Bolt Carrier Group and Charging Handle This complete upper receiver may be considered a pistol or SBR upper until a long enough muzzle device is permanently attached, providing a 16-inch Overall Length barrel. Looking for a quality AR upper that is versatile, reliable, and affordable? Look no further than our 14.5" upper, which can be pinned and welded to meet the 16" OAL requirement.This barrel is the perfect choice for those looking for a compact and maneuverable platform in close quarters (CQB) situations. Its shorter length makes it easier to move around corners and through tight spaces, while still providing exceptional accuracy and control.One of the key advantages of our 14.5" barrel is its improved handling and balance. With a shorter overall length and reduced weight, this barrel is easier to control and maneuver. This can make all the difference in a high-stress shooting scenario, where split-second decisions and precise movements are critical.The 14.5 inch M-LOK upper receiver comes with a 12 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 barrel making the action smooth and easy to keep clean. Barrel Specifications Caliber 5.56 Length 14.5" Material 4150 Chrome Moly Vanadium Profile Government Finish QPQ Corrosion Resistant Gas System Length MidLength Gas Block Journal .750" Dimpled? No Twist Rate 1:7 Muzzle Thread 1/2x28 TPI Weight 24oz Barrel Extension M4 Feed Ramps Target Crown 11 Degree Bolt Carrier Group: Enhanced 9310 Steel (Bolt) 8620 Tool Steel (Carrier) Bolt is shot Peened and MPI All BCG components are pre-polished before being processed and then post polished for an incredible shine Upper Receiver: Hard Coat Anodized M4 Feed ramps Handguard: 12" free float handguard MIL-STD 1913 Picatinny rail on top 3 M-Lok slots on 3 sides Precision Machined aircraft grade aluminum, for high strength and weight savings Hard Coat Anodized per Mil-A-8625F, Type III, Class 2 Clamp on system for easy assembly Steel Barrel nut to resist movement under heat 11.7 oz with barrel nut and hardware 1.35" Inside Diameter 1.63" Wide Made in USA Charging Handle: Alloy Charging Handle Assembly Complete with Standard Latch Made from hardcoat anodized aluminum Black finish Please Note: Uppers may present light fouling from our quality control process and/or test firing***Please allow an additional 2-3 business days of lead time as these uppers are made to order.*** All NFA/ATF Rules Apply Depending on your state and local laws, you could use this barrel with a lower receiver that is a Registered SBR, or Pistol. Possession of this barrel along with a Non-NFA lower receiver may be Prohibited. We are not lawyers and the above information is not legal advise. Make sure you understand the most up to date federal, state and local laws before proceeding with this product. SKU: BGKM14555612-BLEM UPC: