NBS 14.5″ 5.56 NATO M4A1 SOCOM Carbine Complete Upper w/ FSB

M4A1 Block 1 SOCOM Complete Upper – Military-Grade Performance and Precision

The M4A1 Block 1 SOCOM Complete Upper delivers unparalleled reliability and accuracy, designed for the discerning shooter who demands military-grade performance. Featuring a 14.5″ chrome-lined SOCOM barrel with a 1:9 twist, this upper is built to handle the toughest conditions while delivering exceptional accuracy.

Key features include:

• Anodized, Flat-Top Upper Receiver: Offers a sleek, durable finish and a versatile platform for optics.
• 14.5″ Chrome-Lined SOCOM Barrel: Built for durability and precision, with a 1:9 twist rate and an A2 flash hider, ideal for defensive use.
• Dirty Bird 2-Piece Drop-In Quad Rail: Provides ample rail space for mounting grips and other accessories, with Ergo Rail Covers for added comfort and control.
• Magpul MBUS Gen 3 Rear Sight: Lightweight and adjustable, offering rapid target acquisition and reliable performance.
• AO Precision Mil-Spec C158 Bolt Carrier Group (BCG): MPI/HP tested for superior strength and dependability, ensuring optimal cycling and performance.
• Mil-Spec Charging Handle: Durable and designed for smooth operation, allowing for easy and consistent chambering of rounds.

This M4A1 Block 1 SOCOM Complete Upper is not just a great addition to your military-style collection – it is a top-tier, performance-driven component that guarantees Sub-MOA accuracy with match-grade ammunition and proper shooting technique. Whether you’re outfitting a new build or upgrading an existing rifle, this upper is designed for those who demand the best.

Made in the USA and backed by a Lifetime Warranty, this upper is a reliable and high-performance choice for tactical applications, recreational shooting, and serious collectors alike.