Gun Safes · Fort Knox
Fort Knox Personal Pistol Box FK-PB4
3.8/5 Best Safe Score (how we score)
My pick when the PB1 is too wide: the same 10-gauge body, 3/16 in door and Simplex lock in a narrower 9.5 in box whose door swings out from the front, so it fits a drawer or closet shelf.
Details
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Who it's for
- Best American made gun safe for a drawer in Best American Made Gun Safe – 5 US-Built Picks You Can Order Now: An owner who stores one full-size pistol and a spare magazine in a deep drawer or on a shelf; it still weighs 20 lb and needs its four anchor holes used.
What we like
- Same 10-gauge body and 3/16 in plate door as the PB1 (Fort Knox)
- 9.5 in wide, narrow enough for many drawers and shelves
- Made in the USA with a limited lifetime warranty
What to know first
- Front-opening door needs clearance in front of the box
- Smaller interior than the PB1 (8.5 x 10.5 x 4 in)
Product details
| Brand | Fort Knox |
|---|---|
| Manufacturer | FORT KNOX INC. |
| Model | 150b9aca-5cbc-440f-804c-f8ce099f80ca |
| Part number | PB4 |
| Dimensions (L x W x H) | 12 inches x 9 inches x 5 inches |
| Item weight | 20 pounds |
| Color | Gray |
| Size | 9 inches x 5 inches x 12 inches |
| Lock | Simplex mechanical lock, 1,081 combinations (Amazon listing) |
| Exterior | 9.5 in W x 12 in D x 5 in H (Fort Knox) |
| Interior | 8.5 in W x 10.5 in D x 4 in H (Fort Knox) |
| Steel | 10-gauge body, 3/16 in wrap-around plate door (Fort Knox) |
| Weight | 20 lb (Fort Knox) |
| Mounting | 4 holes, 3/8 in diameter (Fort Knox) |
| Fire rating | None claimed |
| Made in | USA (Fort Knox) |
| State listing | California DOJ certified (Amazon listing) |
Top rows from the Amazon listing; the rest from the maker pages we checked.
About this item
- Measurements: 9" x 5" x 12"
- 10 Gauge Body with 3/16" Plate Door
- Carpet Lined Interior with Four Pre-Drilled Bolt Down Holes
- Made in USA with a Limited Lifetime Warranty
- Simplex Mechanical Lock with 1,081 Different Combinations
- Reinforced Lock Backplate
From the product's Amazon listing, as of Nov 7, 2026, 7:59 PM UTC. The seller writes this text, not us, and Amazon may change it.
What owners say
Summarized from 5 owner discussions and review pages we read.
Praise
- An r/CCW owner says he loves his PB4 and would buy it again
- Owners recommend it as the mechanical box to beat, as long as it is bolted down
Complaints
- The door swings outward from the front, unlike the PB1's lift-up lid, so it needs room in front
- Heavy for its size, just under 20 lb by one reviewer's count
Sources: r/CCW, why pistol lockboxes cost what they do · r/CCW, handgun safe recommendations · r/CCW, question about Fort Knox pistol boxes · r/CCW, a guide to quick access pistol safes · Gun Safe Reviews Guy, handgun and small gun safes
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