Duty Arms IndexDuty Arms Index
Weapon light evaluation memo: Streamlight TLR-1 HL vs Nightstick TCM-550XL
| Version compared | Streamlight TLR-1 HLStreamlight TLR-1 HL | Nightstick TCM-550XLNightstick TCM-550XL |
|---|---|---|
| Made for | Not published | Not published |
| Mount | Not published | Not published |
| Pistol fitment (maker's stated) | Includes keys for GLOCK -style rails , MIL-STD-1913 (Picatinny) rails , Beretta 90two , Smith & Wesson SW99 , Smith & Wesson TSW , and SIG SAUER P320 rails [1] | Not published |
| Output | 1,000 lumens [1] | 550 lumens [2] |
| Peak beam intensity | 20,000 candela [1] | 4,612 candela [2] |
| Beam distance | 283 meters [1] | Not published |
| Runtime (maker's stated) | 1.50 hours [1] | 2.0 h (high) [2] |
| Test standard (as stated) | Not published | Not published |
| Laser | Not published | Not published |
| Battery | CR123A Lithium [1] | 1 CR123 battery (included) [2] |
| Switch / activation | Not published | Ambidextrous rear-facing toggle switches [2] |
| Remote / pressure switch options | Remote switches available as optional accessories [1] | Not published |
| Length | 3.39 inches (8.61 centimeters) [1] | 2.5 in (63.5 mm) [2] |
| Weight | 4.32 ounces (122.47 grams) [1] | 2.5 oz (70 g) [2] |
| Body material | 6,000 Series machined aircraft aluminum with black anodized finish [1] | 6061-T6 Aluminum [2] |
| Water rating (maker's stated) | IPX7 [1] | IP-67 Dustproof/Waterproof [2] |
| Maker list price | Not published | Not published |
| Agencies issuing (current entry) | 13 of 50 agencies with a sourced weapon light | 2 of 50 agencies with a sourced weapon light |
| Most common host weapon | Glock G45 Gen5 MOS (2) | Glock G17 (1) |
Notices
No recalls, safety statements or agency actions on file for either model.
Sources
- [1] TLR-1 HL. Streamlight. Accessed Oct 11, 2026. https://www.streamlight.com/products/detail/tlr-1-hl (archive: https://web.archive.org/web/2026/https://www.streamlight.com/products/detail/tlr-1-hl)
- [2] TCM-550XL: Compact Weapon-Mounted Light - 550 Lumens. Nightstick. Accessed Oct 11, 2026. https://www.nightstick.com/products/tcm-550xl (archive: https://web.archive.org/web/2026/https://www.nightstick.com/products/tcm-550xl)