Product Description
The Benchmade AFO II Auto 9051SBK (Armed Forces Only) is an overbuilt, duty-proven push-button automatic folder engineered for military personnel, tactical operators, and first responders. Featuring a 3.56" 154CM stainless steel drop point blade with a non-reflective black finish and partial serrations, this heavy-duty 5.80 oz folder pairs contoured 6061-T6 anodized aluminum handle scales with a push-button automatic firing system and integrated glass breaker pommel.
154CM Stainless Steel is an American-made high-carbon stainless steel known for its exceptional toughness, reliable edge retention, and strong corrosion resistance against environmental elements. Hardened to 58–61 HRC, the 3.56" drop point blade features a flat grind at 0.125" thick for heavy-duty slicing and piercing tasks, while the partially serrated edge cuts through tough cordage, webbing, and rope with ease.
- Blade: 3.56" 154CM drop point with Partially Serrated edge, Flat grind, Black finish, 0.125" thick.
- Handle: Black 6061-T6 anodized aluminum scales; Integrated safety slide; Carbide glass breaker pommel; Stainless steel liners; 4.95" closed, 5.80 oz.
- Deployment + Lock: Push-button automatic deployment with high-tension coil spring; Button Lock with integrated safety switch.
- Carry: Reversible deep-carry tip-up pocket clip; Ballistic nylon MOLLE-compatible sheath included; 8.51" overall open length.
Ideal for: military service members, law enforcement officers, first responders, and tactical operators requiring a full-sized, heavy-duty USA-made automatic folder with a glass breaker and sheath.
The Benchmade AFO II Auto in 154CM Black Combo with Black Aluminum (9051SBK) ships same or next business day from Columbia, Louisiana. Knifeworks is an authorized Benchmade dealer.
Benchmade AFO II Auto: Frequently Asked Questions
Answers to the most common questions about the Benchmade AFO II Auto Black Combo (9051SBK).
How does the automatic deployment and safety switch function?＋
The AFO II features a push-button automatic mechanism that fires the blade open via an oversized, glove-friendly button. An integrated spine safety slide locks the mechanism to prevent accidental opening during carry or storage.
What steel is used for the Benchmade 9051SBK blade?＋
The 9051SBK uses American 154CM stainless steel hardened to 58–61 HRC with a Black coating. 154CM offers a proven balance of edge holding, toughness, and corrosion resistance for demanding tactical duties.
Does the Benchmade AFO II include a glass breaker and sheath?＋
Yes. The handle pommel incorporates a carbide glass breaker for emergency rescue situations, and the knife includes a MOLLE-compatible ballistic nylon sheath with a MALICE Clip in addition to its installed pocket clip.
Where is the Benchmade 9051SBK made, and what warranty covers it?＋
The Benchmade AFO II Auto is proudly made in Oregon City, Oregon, USA. Benchmade backs the knife with a Limited Lifetime Warranty and free LifeSharp lifetime tuning and sharpening service. Knifeworks does not warranty this product independently.
154CM STEEL · BLACK COATING · MOLLE SHEATH & GLASS BREAKER
The USA-Made Tactical Duty Automatic Folder
A 5.80 oz military-grade automatic folder featuring a 3.56" 154CM partially serrated drop point blade, Black aluminum handle, glass breaker, and MOLLE sheath. Questions? Our team carries these knives daily. We ship same or next business day from Columbia, Louisiana.
Call 888-225-9775
Warranty Information
Benchmade Warranty: Benchmade warrants that its genuine products are free from defects in material and workmanship for the life of the product. The warranty does not cover normal wear and tear, rust, accidents, misuse, improper maintenance, or alterations. Benchmade offers free lifetime LifeSharp services for sharpening and inspection. Contact Benchmade directly for warranty and LifeSharp support. Knifeworks does not warranty this product independently.Specifications
| Product Type | Automatic Knife | |
| Brand | Benchmade | |
| Product Name | AFO II | |
| Model # | 9051SBK | |
| Overall Length | 8.47 in | |
| Closed Length | 4.91 in | |
| Blade Length | 3.56 in | |
| Blade Thickness | 0.120 in | |
| Blade Material | 154CM | |
| Blade Hardness (HRC) | 58-60 | |
| Blade Style | Drop Point | |
| Blade Edge | Combo | |
| Blade Grind | Hollow | |
| Blade Finish | Black (Coated) | |
| Handle Material | 6061-T6 Aluminum | |
| Handle Finish | Black (Coated) | |
| Handle Thickness | 0.60 in | |
| Lock Type | Liner Lock | |
| Clip Position | Reversible Tip-Up | |
| Weight | 5.40 oz | |
| Origin | USA | |
| Blade Range | 3.5-3.99 | |
| Opener | Push Button (Automatic) |
