Benchmade Boost 590S – 3.70" Satin CPM-S30V Combo Edge Assisted Opening Folding Knife
The Benchmade Boost 590S is the combo edge version of Benchmade's full size Boost, with a 3.70" satin CPM-S30V drop point blade that is partially serrated near the handle for rope, webbing, and other tough fibrous cuts. The AXIS Assist mechanism with slide safety snaps the blade open, and the dual durometer black Versaflex over gray Grivory handle keeps the grip secure. Benchmade has discontinued the Boost line, and this page stays current for owners and collectors. Going Gear is an authorized Benchmade dealer.
Benchmade Boost 590S Specifications
| Specification |
Detail |
| Brand |
Benchmade |
| Model |
Boost 590S |
| SKU |
BCM-590S |
| Blade Length |
3.70" |
| Blade Steel |
CPM-S30V stainless, 58-60 HRC |
| Blade Finish |
Satin |
| Blade Style |
Drop point, combo edge (partially serrated) |
| Blade Thickness |
0.120" |
| Overall Length |
8.52" |
| Closed Length |
4.83" |
| Weight |
4.59 oz |
| Handle Material |
Black Versaflex over dark gray Grivory, dual durometer |
| Lock Type |
AXIS Assist with slide safety |
| Made In |
USA (Oregon City, Oregon) |
| Knife Type |
Folding knife |
Frequently Asked Questions
What does the S mean on the Benchmade Boost 590S?
The S in Benchmade Boost 590S stands for serrated. The 590S carries a combo edge, a 3.70" satin CPM-S30V drop point blade with serrations on the rear portion of the edge and a plain edge toward the tip.
What is the blade length of the Benchmade Boost 590S?
The Benchmade Boost 590S (BCM-590S) has a 3.70" satin CPM-S30V combo edge drop point blade, with an 8.52" overall length and a 4.59 oz weight.
What steel does the Benchmade Boost 590S use?
The Benchmade Boost 590S uses CPM-S30V premium stainless steel hardened to 58-60 HRC. S30V combines strong edge retention with reliable corrosion resistance, and the serrated section keeps biting even when the plain edge dulls in the field.
Is the Benchmade Boost 590S an automatic knife?
No. The Benchmade Boost 590S is an assisted opening knife. Its AXIS Assist mechanism finishes the opening after you start the blade with the thumb stud, and an integrated slide safety holds it closed. Assisted knives are legal in more jurisdictions than automatics, but check your local knife laws.
What is a Blue Class Benchmade knife?
Blue Class was Benchmade's everyday carry tier, and the Benchmade Boost 590S was sold as a Blue Class model before Benchmade retired the class naming. It was built in Oregon City, Oregon like the rest of the Benchmade line.
Does LifeSharp cover the serrations on the Benchmade Boost 590S?
Yes. Benchmade's LifeSharp lifetime service covers the Benchmade Boost 590S, including its serrated section. Benchmade's factory sharpening service can restore both the plain and serrated portions of the combo edge.
Where can I buy the Benchmade Boost 590S?
The Benchmade Boost 590S is discontinued, so it turns up only as remaining dealer stock or on the secondary market. Going Gear is an authorized Benchmade dealer and carries today's Benchmade lineup, including current combo edge EDC options.
