Metabo HPT N3804AB3 Narrow Crown Stapler – 18-Gauge Finish Nailer for Trim & Cabinetry

Meet the Metabo HPT N3804AB3, a lightweight 18-gauge narrow crown stapler designed for finish work where precision matters. Weighing around 2.3 pounds, it balances well in hand and offers a non-slip grip and a simple flip actuation for smooth operation. Whether you’re tackling internal trim, exterior trim, furniture, or cabinetry, this tool supports clean, consistent results without sacrificing comfort.

Key capabilities at a glance

• Accepts 18-gauge narrow crown staples from 1/2" to 1-1/2"
• Award-winning Pro Preferred nailer, recognized by Builder and Developer Magazine for nine consecutive years
• Ideal for fine finish work on trim, furniture, cabinetry and more
• Very light at 2.3 lbs with a balanced feel for extended use
• Selective actuation switch lets you choose sequential vs. contact nailing
• Tool-free depth adjustment to suit different materials
• Magazine capacity up to 100 staples
• 360-degree adjustable exhaust and angled hose fitting for user comfort
• Recommended use with Metabo HPT staples

Design, ergonomics and durability

• Ergonomic, non-slip grip reduces hand fatigue during long sessions
• Compact profile helps you reach tight trim areas and cabinetry gaps
• Balanced weight distribution improves control for delicate finishes
• Durable construction built for repeated trim tasks in home or professional projects

Smart performance for finish projects

• 1/2" to 1-1/2" staples cover a range of trim and furniture applications
• 100-staple magazine supports longer runs with fewer reloads
• Sequential fire offers precision, while contact nailing speeds up installation
• Adjustable depth lets you tune drive depth for different woods and veneers

Practical use notes

For best results, pair this tool with the recommended Metabo HPT staples, maintain a steady pace, and practice staple alignment for clean, minimal dimple marks.

In daily workflows, the N3804AB3 shines when building or restoring furniture, installing trim for baseboards, casework, or cabinetry panels. The 360-degree exhaust can be aimed away from dust-sensitive surfaces, while the tool-free depth adjustment makes quick material tweaks feasible without losing momentum. If your job requires neat edges and tight fit, this stapler can help maintain consistency across multiple pieces.

Built with a reputation for reliability, the model has earned the Pro Preferred Nailer designation from Builder and Developer Magazine across 2014–2022, underscoring its track record in professional settings.