The ArmaLite DEF15 M-15 is a scalable, semi-automatic sporting rifle designed for modularity and dependable basic function. It is built on forged 7075-T6 aluminum upper and lower receivers with a flattop MIL-STD 1913 rail for optics and accessories. The rifle features a 16″ double-lapped, chrome-lined chrome-moly-vanadium barrel and a 6-position collapsible stock for adjustable ergonomics.
Key Specifications
- The rifle is chambered in .223 Rem / 5.56 NATO.
- The barrel measures 16 inches and is described as chrome-moly vanadium, chrome-lined.
- The magazine capacity is 30 + 1.
- The receiver material is 7075-T6 aluminum with a hard coat anodized finish.
- The overall weight is listed as 6.10 lbs.
- The stock is a 6-position collapsible design in black synthetic material.
- The rifle ships with a 30-round Magpul PMAG.
- The barrel twist rate is 1:7 (right-hand twist).
- The rifle includes a MIL-STD 1913 flattop rail and a railed gas block front sight base.
- The muzzle is fitted with a flash suppressor.
The DEF15 M-15 combines a lightweight chassis with standard AR ergonomics and features that support optics, modern accessories, and a wide range of shooting roles from precision practice to general sporting use. Its forged receivers, lined barrel, and adjustable stock provide a dependable platform for users who prioritize durability, modularity, and straightforward operation.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.
