SIG Sauer M400 Tread Frogman Semi-Automatic Rifle 5.56 NATO 30-Round Green

The SIG Sauer M400 Tread Frogman is a purpose-built, corrosion-resistant AR-15 platform chambered in 5.56 NATO, designed for demanding environments where reliability is non-negotiable. Engineered with SIG Sauer’s legendary attention to detail, the M400 Frogman features a military-grade finish and construction built to withstand harsh conditions — making it an exceptional choice for competitive shooters, tactical enthusiasts, and serious hunters alike. The rifle ships with a 30-round magazine and comes finished in an eye-catching Green colorway that sets it apart on the range or in the field.

Built on SIG Sauer’s proven M400 Tread platform, this rifle delivers smooth, consistent semi-automatic operation with the accuracy and durability that SIG is known for worldwide. Whether you’re running drills at the range, gearing up for competition, or adding a standout piece to your collection, the M400 Frogman delivers performance you can count on.

At Deep Roots Rifle Co, we stock hard-to-find SIG Sauer models that other dealers can’t keep on the shelf. Order online through our secure store at deeprootsrifleco.com and take advantage of our fast shipping, or stop by our local gun shop in Eustis, Florida, where our knowledgeable staff is ready to help you find the right rifle for your needs. Competitive pricing, expert guidance, and a passion for firearms — that’s the Deep Roots difference.