GiantMouse ACE Riv Liner Lock Folding Knife Satin Magnacut Blade Brass Handle GMRIV-LL-BRASS

The GiantMouse ACE Riv Liner Lock Folding Knife in Satin MagnaCut with a Brass handle delivers a compact everyday carry with real weight, character, and a strong sense of heritage. Named after a long-standing East Lansing dive bar tied to the GiantMouse story, the Riv reflects the same dependable, no-frills attitude—built to be carried, used, and trusted over time.

This liner lock version moves away from the original framelock configuration, bringing a more accessible and balanced design with full handle scales on both sides. The result is a smoother, more natural feel in hand, paired with simple, reliable operation that fits right into daily use. It’s a design choice that enhances usability without sacrificing strength.

At the core is a 2.44-inch blade crafted from CPM MagnaCut steel, hardened to ~62 HRC. Known for its exceptional combination of edge retention, toughness, and corrosion resistance, MagnaCut brings high-end performance to a compact platform. The satin finish highlights the clean blade geometry while maintaining a refined, functional look. Despite its size, the blade is shaped for real utility, offering precise control for detailed cutting tasks and everyday use.

The handle is where this Riv stands apart. Machined from solid brass, it brings a substantial feel and a classic look that evolves over time. Brass naturally develops a patina with use and exposure, creating a unique finish that reflects how the knife is carried and used. No two will age the same, giving each piece its own story. It’s worth noting that some patina may already be present due to the nature of the material and packaging, making it part of the knife’s character from the start.

A smooth bearing pivot ensures consistent, fluid deployment, while the liner lock engages securely for dependable performance. The added weight of the brass handle brings the knife to 4.2 ounces, giving it a solid, confidence-in-hand feel that stands apart from lighter builds. A reversible wire clip keeps carry simple and discreet, allowing for flexible pocket placement.

Manufactured to exacting standards in Maniago, Italy, the Riv reflects GiantMouse’s focus on precision, durability, and thoughtful design. It’s a small knife with a strong presence, built for those who appreciate materials that age and tools that earn their character over time.

Explore our selection of GiantMouse Knives at SMKW.