Smith & Wesson 10308SSBMBASC M&P10 10rd 308 Win/7.62x51mm Fits S&W M&P Black Steel

If you run an M&P10 platform rifle, magazine selection matters. This Smith & Wesson 10-rounder handles .308 Winchester and 7.62 NATO with the same reliability you expect from factory OEM parts. Whether you're shooting near San Leandro or anywhere across California, understanding your state's California firearm laws ensures you stay compliant with capacity and magazine restrictions.

Designed for the M&P10 platform

Smith & Wesson built this magazine specifically for their M&P10 rifle, which means feed geometry and spring tension are optimized for that system. The 10-round capacity matches California's magazine restrictions, so you can use this mag without modification or legal concern. Black steel construction resists corrosion and handles standard field handling. When you're ready to stock up or need a spare, TacticCAL Gun Store carries OEM S&W parts and can answer questions about fitment and capacity regulations. Browse our gun shop.

Frequently asked questions

Will this magazine work with other AR-10 or .308 rifle platforms?

No. This is engineered specifically for Smith & Wesson M&P10 rifles. Different .308 platforms use different feed lips and internal geometry. Always verify your rifle's magazine compatibility before purchasing.

What's the difference between .308 Winchester and 7.62 NATO in this magazine?

This magazine feeds both. While .308 Win and 7.62 NATO have slight dimensional differences, they're ballistically similar enough that one magazine handles both. Function remains reliable with either cartridge.

Does TacticCAL help with CA compliant firearms?

Yes — TacticCAL specializes in California-compliant handguns from the DOJ Roster and PC §32100 exempt single-action revolvers. Looking for gun shop Hayward? Visit us in Sunnyvale.