Streamlight ProTac Rail Mount HL-X weapon light — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/streamlight-protac-rail-mount-hl-x/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (Streamlight)
Catalog version: 2026-10-20

Overall (mm): length 137.92, width 36.83, height 43.69
- Streamlight ProTac Rail Mount HL-X weapon light measures 137.92 × 36.83 × 43.69 mm (5.43 × 1.45 × 1.72 in) according to Streamlight; light with rail mount, length × width × height as published.
- The fact sheet is Streamlight's own document; the copy cited is hosted by a dealer.
- No CAD file: the maker publishes only overall sizes, and a plain box or cylinder is not useful design geometry. The table is the published data; parts with real geometry have their own pages.

dimension  value
Length  5.43 in (137.92 mm)
Width  1.45 in (36.83 mm)
Height  1.72 in (43.69 mm)
Weight  6.4 oz (181.4 g) with CR123A batteries; 6.9 oz (195.6 g) with optional 18650

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Streamlight: ProTac Rail Mount HL-X Product Fact Sheet, Document #297 (12/22/2016) — web — Publisher's page; dimensions are facts — https://files.batteryjunction.com/frontend/files/streamlight/info/STREAMLIGHT-88071-FactSheet.pdf

No true-size file yet: the published figures do not fix the whole shape; a measured scan is planned.
API: https://xemstudio.com/api/geometry?object=streamlight-protac-rail-mount-hl-x