CJRB
CJRB Frack J1931 AR-RPM9 Steel Blade Steel Handel Folding Knives
Quick Verdict
The CJRB Frack J1931 is a tactical folding knife featuring a 3.9" AR-RPM9 powder steel blade with a stone wash/black PVD finish. Its full-steel handle construction provides durability, while the oversized button lock and ceramic bearing pivot ensure rapid, smooth deployment. At 150g, it's a solid mid-weight EDC option with aggressive aesthetics and excellent build quality typical of CJRB.
What We Like
- AR-RPM9 powder steel blade with HRC59-61 hardness
- Oversized button lock for quick deployment
- Ceramic ball bearing pivot for smooth action
- Full flat grind for versatile cutting performance
- 4" clip point blade for tactical use
Considerations
- Full steel handles add weight compared to G10/Micarta alternatives
- Steel handles may lack grip in wet conditions
- No pocket clip included
Overview
The process of designing our newest Tactical knife came with some specific challenges, we wanted this new design to be long, light, and powerful without sacrificing any of the quality that CJRB has become known for. The Frack emerged after months of redesigning as a sleek and aggressive knife that not only handles a wide array of tasks, but conquers them!The Frack features a 4" long clip point blade in AR-RPM9 with a full sized finger choil and a teardrop shaped thumb hole for quick deployment. The full-steel scales have been trimmed down to the bare minimum and weight relieved to provide perfect balance and fluidity in the hand. The oversized button lock allows for quick and speedy deployment in any situation. The Frack is the full package, everything that you need in a full sized backup blade and nothing you.
SPECIFICATIONS
Blade Length
3.9" (99mm)
Blade Thickness
0.13"(3.2mm)
Blade Finish
Stone Wash/Black PVD Coating
Blade Grind
Flat
Blade Material
AR-RPM9
Blade Hardness
HRC59-61
Blade Style
Drop Point
Handle Material
Steel
Clip Material
Steel
Pivot Assembly
Ceramic Ball Bearing
Lock Type
Button Lock
WEIGHTS & DIMENSIONS
Overall Length
8.9"(226mm)
Closed Length
5" (127mm)
Weight
150g/5.29oz
Technical Specifications
8 specs Brand CJRB
Category Knives
Weight 150g (5.3 oz)
Material Steel
Blade Steel AR-RPM9
Blade Length 3.9mm
Blade Shape Drop Point
Lock Type Button Lock
Opening Type Thumb Hole
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