
This high security 16 gauge steel security lockbox mounts under the rear seat in a GM Crew Cab Truck. The full width formfitting design of the Tuffy lockbox has over 3500 cubic inches of lockable storage. It’s secured contents are easily accessed by flipping either or both of the rear seat(s) up and opening the corresponding lid(s). The unique design allows the full width to be used to stow firearms or other long items. Featuring Tuffy’s Pry-Guard Locking System with a 10 tumbler double bitted security lock with built in weather seals. Chamfered corners are incorporated into the design for easier passenger access. The innovative mounting system is only accessed from inside the box. When additional floor space is needed the entire lockbox can be removed in seconds without the need for any tools.
Over 3500 Cubic inches of lockable storage space
Exclusive 10 tumbler double bitted lock with built in weather seals
Pry-Guard locking system featuring 1/8 inch thick welded steel components
Stealthy design is hidden under the seat from prying eyes
Welded 16 Gauge steel construction
Weather resistant lid design incorporates an exclusive hinging system with built-in lid stop
Added security with Pin-Lock hinge design
Innovative mounting system permits removal from vehicle in seconds from inside the box when unlocked without the need for tools
Durable texture powder coat finish
Mounting hardware provided
Quick and easy install, no drilling
Weather and dust seal
No Drilling required. Fastens with original OEM hardware.



This high security 16 gauge steel security lockbox mounts under the rear seat in a GM Crew Cab Truck. The full width formfitting design of the Tuffy lockbox has over 3500 cubic inches of lockable storage. It’s secured contents are easily accessed by flipping either or both of the rear seat(s) up and opening the corresponding lid(s). The unique design allows the full width to be used to stow firearms or other long items. Featuring Tuffy’s Pry-Guard Locking System with a 10 tumbler double bitted security lock with built in weather seals. Chamfered corners are incorporated into the design for easier passenger access. The innovative mounting system is only accessed from inside the box. When additional floor space is needed the entire lockbox can be removed in seconds without the need for any tools.
Over 3500 Cubic inches of lockable storage space
Exclusive 10 tumbler double bitted lock with built in weather seals
Pry-Guard locking system featuring 1/8 inch thick welded steel components
Stealthy design is hidden under the seat from prying eyes
Welded 16 Gauge steel construction
Weather resistant lid design incorporates an exclusive hinging system with built-in lid stop
Added security with Pin-Lock hinge design
Innovative mounting system permits removal from vehicle in seconds from inside the box when unlocked without the need for tools
Durable texture powder coat finish
Mounting hardware provided
Quick and easy install, no drilling
Weather and dust seal
No Drilling required. Fastens with original OEM hardware.
SKU: 307-01
Specifications
Product Type | Underseat Lockbox |
Description | Rear Seat; Full Length |
Color | Black |
Dimensions
Exterior Dimensions | Overall 13” L x 55 7/8” W x 7”-5” H (Height is tapered front to back) |
Interior Compartment | 12 3/8” L x 55 1/4” W x 5 1/2” - 3 5/8” H (Height is tapered front to back) |
Auxiliary Compartment 1 | 11” L x 35 1/8” W Large lid & 19 1/8” W Smaller lid |
2007-2019 Chevrolet Silverado 2500 HD
2007-2019 Chevrolet Silverado 3500 HD
2007-2018 GMC Sierra 1500
2007-2019 GMC Sierra 2500 HD
2007-2019 GMC Sierra 3500 HD
California Proposition 65
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