AMPLock 2-5/16" Heavy Duty Trailer Coupler Lock - U-BRP2516, Push-and-Lock Rust-Resistant

The AMPLock Standard 2-5/16" Heavy Duty Trailer Coupler Lock (U-BRP2516) is a rugged, push-and-lock coupler security device engineered to fit 2-5/16" straight-lip trailer couplers and deter unauthorized towing.

This coupler lock is built for owners who need a simple, durable way to safeguard utility trailers, cargo trailers, RVs, and boat trailers when parked or stored. Its custom fit for 2-5/16" couplers, robust construction, and fast push-and-lock action let you secure a trailer quickly without fiddly installation. The unit resists rust and the daily wear of outdoor exposure, making it a practical choice for frequent use and long-term protection.

How does this lock fit a 2-5/16" trailer coupler?

The AMPLock U-BRP2516 is manufactured to match standard 2-5/16" straight-lip couplers for a snug, reliable connection that limits movement and prevents removal. Its geometry aligns with industry dimensions so the lock remains seated under load and normal handling.

• Precision fit for 2-5/16" straight-lip couplers
• Design minimizes play and sliding inside the coupler
• Installs without modification to the trailer or coupler

What makes the build heavy duty and anti-theft?

The lock uses high-strength materials and a tamper-resistant shape to withstand impact and deter common theft techniques. Its solid construction is intended for daily handling and outdoor use, helping maintain integrity over time.

• High-strength alloy components that resist bending
• Compact profile reduces leverage for prying tools
• Durable mechanism designed for repeated push-and-lock cycles

How quickly can I secure my trailer with the push-and-lock system?

The push-and-lock action is built for speed and convenience: insert the lock and push until it engages, then confirm the locking mechanism. This eliminates complex mounting steps and is ideal for quick stops or daily storage routines.

• Single-handed insertion and engagement
• No separate pins or bolts to carry
• Clear tactile feedback when locked

Will this lock hold up outdoors and near water?

The exterior and internal components are treated to resist rust and corrosion so the lock stays functional through wet and variable conditions. It’s designed for frequent exposure to outdoor elements commonly encountered by travel and boat trailers.

• Rust-resistant finish for long-term outdoor use
• Sealed mechanism reduces moisture ingress
• Suitable for coastal and inland trailer storage

Who is this for: The AMPLock U-BRP2516 is aimed at trailer owners who need a straightforward, dependable anti-theft solution for 2-5/16" straight-lip couplers — including utility and cargo trailer users, RV owners, boat trailer keepers, and small-business fleets. If you want a quick-install lock that withstands rough handling and outdoor exposure without complicated setup, this model fits those needs. It’s a practical upgrade for anyone prioritizing convenience, durability, and compatibility with common trailer setups.