Experience classic AR15 performance with the 556 AR15 M4 RIFLE 16 INCH FSB from Andro Corp Industries. Built in the USA with a 16-inch barrel and traditional front sight base, this rifle delivers reliability, accuracy, and versatility for a variety of shooting applications. Whether you’re at the range, on duty, or customizing your setup, trust Andro Corp’s commitment to quality and craftsmanship in every build.

The 556 AR15 M4 RIFLE 16 INCH FSB is engineered for shooters who want the proven reliability of the AR15 platform with the versatility of a carbine length gas system and a classic front sight base. Its 4150 CMV Melonite barrel with a 1/7 twist and M4 feed ramps ensures dependable accuracy and smooth feeding with a range of 5.56 NATO ammunition. The QPQ corrosion resistant finish offers long-term protection, while the carbine length gas system delivers smooth cycling and manageable recoil.

This rifle features a M16 bolt carrier group, charging handle, and A2 flash hider, all designed to military standards for dependable operation. The 1/2 x 28 threaded muzzle allows for easy addition of muzzle devices or suppressors. The M4 hand guard provides a familiar grip and adaptability, while the 7075 – T6 mil-spec dry film lubed upper with T-markings and 7075 forged lower ensure strength and durability. The Type 3 hard coat anodized finish and mil-spec lower parts kit round out a build that’s ready for any mission.

The M4 stock offers comfort and adjustability, while the rifle ships with a 30-round magazine and is configured as semi-automatic for compliance and versatility. Every 556 AR15 M4 RIFLE 16 INCH FSB is assembled and test-fired by Andro Corp’s experienced team, ensuring flawless function and accuracy out of the box.

When you place your order for a firearm or lower receiver, make sure you enter the transferring FFL’s store name and address into the shipping column or the notes. Please contact your FFL and have them email their FFL copy to ACIFFL@ANDROCORPIND.COM. This will significantly speed up shipment.

ALL NFA RULES APPLY
It is the customer’s responsibility to be aware of all applicable laws and regulations regarding the purchase and ownership of uppers with a barrel length of less than 16″. Federal NFA regulations are applicable to this item.

Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).