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Streamlight ProTac Rail Mount HL-X

Long-gun weapon light producing 1,000 lumens and 50,000 candela on the SL-B26 rechargeable pack or two CR123A cells, with a 60 lumen low mode. Ships with a remote pressure switch, a tailcap switch, a MIL-STD-1913 rail clamp and an M-LOK mount. A duty carbine light with a 24 hour low runtime.

Streamlight ProTac Rail Mount HL-X
Category
Light
Manufacturer
Streamlight, Inc.
Weight
181 g
Mounts at
Not recorded

Specification

Everything measured

IdentityWhat it is and who made it.

Category
Light
Manufacturer
Streamlight, Inc.
Factory part
No

Dimensions

Weight
181 g
Length
138 mm

FitmentThe interface it offers and the one it needs, rather than a list of guns it claims to fit.

Needs

Any one of these

  • M-LOKA machined rail the part clamps onto. Picatinny and Weaver look alike and are not interchangeable in every direction.rail:m-lok
  • Picatinny rail (MIL-STD-1913)A machined rail the part clamps onto. Picatinny and Weaver look alike and are not interchangeable in every direction.rail:picatinny

ProvenanceEvery figure above was taken from one of these pages. The confidence reflects how much of the record came from a page a claim can be checked against.

Confidence in this record

95%

Stockists

Where to buy

Offers link straight to the shop. GunSpec never takes the order.

No shop has listed this part yet

Stock and prices come from the shops themselves. If you sell this part, you can list it and it appears here.

List a part

Compatibility

Which firearms take this part

Studio

Every firearm this threads onto, resolved

Not a list the maker typed out: the answer comes from the interface this part needs and the mounts each firearm exposes, so it stays right when either one changes.

  • The reverse lookup on every part in the catalogue
  • Interface standards, platforms and fit overrides
  • The same answers through the API and the MCP server

Requires a signed-in GunSpec account on the Studio plan. The answer is computed per firearm, so it is not part of the public record.

API

The call that returns this record

The same fields, in the same units, from the same endpoint the page reads.

curl --request GET \  --url 'https://api.gunspec.io/v1/attachments/streamlight-protac-rail-mount-hl-x' \  --header 'X-API-Key: your_key'
Response
{  "id": "streamlight-protac-rail-mount-hl-x",  "name": "Streamlight ProTac Rail Mount HL-X",  "category": "light",  "manufacturer": {    "id": "streamlight",    "name": "Streamlight, Inc."  },  "weight_g": 181,  "length_mm": 138,  "requires_position": null,  "provides": [],  "requires": [    [      {        "id": "rail:m-lok",        "name": "M-LOK",        "kind": "rail"      },      {        "id": "rail:picatinny",        "name": "Picatinny rail (MIL-STD-1913)",        "kind": "rail"      }    ]  ]}