The ArmaLite B-Series Gen II magazine is a detachable box magazine designed for use with AR-10 platform rifles. It provides a 25‑round capacity for .308 / 7.62 NATO chamberings and is built with an aluminum body and a stainless steel spring. The magazine is intended for field, range, and duty use where reliable feeding and robust construction are priorities.
Key Specifications
- The magazine fits AR-10 platforms.
- The product type is a detachable box magazine.
- The model designation is B-Series Gen II.
- The body is made from aluminum.
- The finish is listed as Black Hardcoat Anodized in the provided attributes.
- The magazine capacity is 25 rounds.
- The spring material is stainless steel as noted in the supplied description text.
- The caliber/gauge is listed as .308 / 7.62 NATO.
- The magazine is a factory fit for ArmaLite rifles (B-Series compatibility noted).
Purpose-built for shooters who need dependable feeding and durable construction, this B-Series Gen II magazine pairs a lightweight aluminum body with a corrosion-resistant spring. Its 25‑round capacity and AR-10 fit make it suitable for hunting, precision shooting, and duty/range applications where proven magazine performance is required.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




