- Gunster Green FRN, Satin, fixed-blade diving knife—a multi-purpose tool that combines a Dagger blade, a durable FRN handle, and a rotating sheath with a Compression-Lock locking system. Features a carabiner mount and an arrow straightening tool.
73,51 €This product is intended for use only by adults with knowledge and experience in handling sharp cutting tools. Improper use of the knife can result in serious injuries. The blade is extremely sharp and can easily cut through skin and tissue; therefore, extra caution should always be exercised while cutting, and hands should be kept away from the cutting edge. To prevent the knife from slipping, it is recommended to cut on a stable, non-slip surface and avoid excessive force, which may cause uncontrolled blade movement.
Leaving the knife on the edge of a table, countertop, or in easily accessible places—especially where children are present—poses a significant safety risk. The knife should always be properly secured after use, ideally by placing it on a stable surface or storing it in designated knife blocks, protective sheaths, or magnetic strips. The knife should never be used for tasks it is not designed for, such as opening cans or prying objects, as this can damage the tool and lead to dangerous accidents.
A dull blade increases the risk of injury, as it requires more force and is more likely to slip from the material being cut. Therefore, it is essential to sharpen the knife regularly to maintain optimal sharpness. Additionally, proper cleaning and drying of the knife are necessary to prevent corrosion and bacterial growth. Periodic inspection of the handle and blade is recommended to check for cracks, chips, or looseness. If any damage is detected, the knife should be repaired or replaced immediately.
When using the knife, focus solely on the task at hand—avoid talking on the phone, watching television, or other distractions while cutting. Ensure proper lighting in the workspace for better visibility and control. Please note that some countries or regions have laws restricting the ownership and carrying of knives. Before purchasing or using this knife, verify that its use is legal in your location according to applicable regulations.
Following these safety guidelines will help ensure safe and effective knife use, minimizing the risk of accidents and extending the lifespan of the tool.
MAC Coltellerie Gunster Green FRN, Satin MA5 by Moris Baroni – a diving knife with a multifunctional blade
MAC Coltellerie Gunster Green FRN, Satin MA5 by Moris Baroni (GNR11.V) is a fixed-blade diving knife featuring a Dagger profile, two cutting edges, and a green FRN handle. The design includes a 360° rotating sheath, a Compression-Lock system, and tools useful for handling diving equipment.
The blade features a shackle socket and a tool for straightening speargun darts. The steel hammer at the end of the handle can be used in emergency or signaling situations, and the lanyard hole provides additional protection against losing the knife.
MA5 – Durability and Resistance in an Aquatic Environment
MA5 stainless steel, with a hardness of 56–58 HRC, combines corrosion resistance with good edge retention. Regular rinsing with fresh water, drying, and maintenance help keep the blade in good condition after contact with seawater.
Dagger, Flat, and Plain/Serrated Edges
The Dagger blade features a distinct tip and functional geometry for practical applications. The smooth edge allows for precise cutting, while the serrated section facilitates work with ropes, straps, and nets. The Flat grind supports effective blade guidance.
Green FRN and 360° adjustable sheath
The green FRN handle is moisture-resistant, and its distinctive color makes it easy to find the knife among your gear. The rotating sheath allows you to adjust the mounting angle, while the Compression-Lock system securely holds the knife in place while you’re on the move.
Key Features at a Glance
- MA5 — stainless steel with a hardness of 56–58 HRC.
- Dagger — profile with a functional tip.
- Plain / Serrated — two edges for different materials.
- Green FRN — durable and highly visible handle.
- Satin — satin finish on the blade.
- Compression-Lock — locks the knife in the sheath.
- 360° Sheath — adjustable carrying options.
- Diving features — shackle mount and harpoon shaft straightener.
Technical data
| Product Number | GNR11.V |
| Product Name | MAC Coltellerie Gunster Green FRN, Satin MA5 by Moris Baroni |
| Overall Length | 210.00 mm / 8.27“ |
| Blade length | 110.00 mm / 4.33” |
| Blade thickness | 4.00 mm / 0.16“ |
| Handle Length | 101.60 mm / 4.00” |
| Handle Thickness | N/A |
| Weight | 115.00 g / 4.05 oz |
| Blade Material | MA5 Stainless Steel |
| Blade Hardness (HRC) | 56–58 HRC |
| Blade grind | Flat |
| Blade finish | Satin |
| Handle material | FRN – Fiberglass Reinforced Nylon |
| Handle finish color | Green |
| Sheath | Plastic / Polymer, Black, 360° Rotating Sheath |
| Additional Accessories | 2 rubber straps with plastic buckles |
| Designer | Moris Baroni |
| Brand | MAC |
| Manufacturer | MAC Coltellerie |
| Country of Origin | Italy |
Frequently Asked Questions
How do I maintain MA5 steel?
After use in saltwater, rinse the blade with fresh water, dry it thoroughly, and periodically treat it with a product suitable for diving knives.
When should you use the serrated edge?
The serrated portion of the blade is designed for cutting ropes, straps, webbing, nets, and other fibrous materials.
How does the shackle socket work?
The socket allows you to grip a properly fitting shackle and makes it easier to loosen or tighten it when handling diving equipment.
What is the hammer in the head used for?
The steel hammer can be used for light emergency work and to generate audible signals by striking a metal piece of equipment.
Can the sheath be attached to your leg?
Yes. Two rubber straps with buckles allow you to attach the sheath to your leg or arm, and a swivel adapter lets you adjust its angle.
Prepared by: Specialists at Sharg® company – Your expert in EDC and cutting tools
















