Description
Critical Strike X503-BK Folding Knife
The Critical Strike X503-BK is a VG10 EDC folding knife built for everyday pocket carry. Its 83mm (3.27") satin-finished VG10 blade is hardened to 59–61 HRC for a strong balance of edge retention and toughness, paired with black G10 handles for a secure, lightweight grip. At 111.8g with a 204mm (8.03") open length, it carries easily as a daily folding pocket knife.
Highlights
- VG10 blade at 59–61 HRC for reliable edge retention
- Black G10 handles for a grippy, lightweight feel
- 3.27" blade, 8.03" open length, 111.8g
- Satin finish with an EDC-ready folding design
Specifications
| Brand | Critical Strike |
| Model | X503-BK |
| Knife type | Folding knife |
| Blade steel | VG10 (59–61 HRC) |
| Blade length | 83mm (3.27") |
| Blade thickness | 3.5mm |
| Blade finish | Satin |
| Overall length | 204mm (8.03") |
| Handle material | G10 |
| Handle color | Black |
| Weight | 111.8g |
Frequently Asked Questions
What blade steel does the Critical Strike X503-BK use?
The Critical Strike X503-BK uses a VG10 stainless blade hardened to 59–61 HRC for a strong balance of edge retention, toughness, and corrosion resistance.
Is the Critical Strike X503-BK a good EDC pocket knife?
Yes — with a 3.27" blade, 8.03" open length, and 111.8g build, the Critical Strike X503-BK works well as an everyday carry folding pocket knife.
How do you close the Critical Strike X503-BK?
To close the Critical Strike X503-BK, keep your fingers clear of the blade path, fold the blade back into the handle, and confirm it is fully seated before pocketing the knife.
How do you sharpen the Critical Strike X503-BK?
Sharpen the Critical Strike X503-BK on a whetstone or guided sharpener at the factory edge angle, finishing with a fine ceramic or diamond stone to refine the VG10 edge.
Is it legal to carry the Critical Strike X503-BK?
Folding-knife carry laws vary by state and city, so check your local regulations before carrying the Critical Strike X503-BK.
Where can I buy the Critical Strike X503-BK?
You can buy the Critical Strike X503-BK at Going Gear — Going Gear is an authorized Critical Strike dealer.