EXHIBIT 31.3
CERTIFICATION OF CHIEF EXECUTIVE OFFICER
PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002
I, Bryan Ganz, certify that:
| 1. | I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of Byrna Technologies Inc.; and | 
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. | 
| Date: March 30, 2022 | By: /s/ Bryan Ganz | 
| Bryan Ganz | |
| President and Chief Executive Officer, | |
| Chairman of the Board (Principal | |
| Executive Officer) |