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SureFire M640DF Scout Light Pro

Dual-fuel Scout Light Pro producing 1,500 lumens on an 18650 cell or 1,200 lumens on two CR123A cells. The Pro body has a low-profile swivel mount that rotates through positions and clamps to either M-LOK slots or a Picatinny rail with the supplied hardware. Takes SureFire tape switches.

SureFire M640DF Scout Light Pro
Category
Light
Manufacturer
SureFire, LLC
Weight
156 g
Mounts at
Not recorded

Specification

Everything measured

IdentityWhat it is and who made it.

Category
Light
Manufacturer
SureFire, LLC
Model number
M640DF-BK-PRO
Introduced
2020
Factory part
No

Dimensions

Weight
156 g
Length
141 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/surefire-m640df-pro' \  --header 'X-API-Key: your_key'
Response
{  "id": "surefire-m640df-pro",  "name": "SureFire M640DF Scout Light Pro",  "category": "light",  "manufacturer": {    "id": "surefire",    "name": "SureFire, LLC"  },  "weight_g": 156,  "length_mm": 141,  "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"      }    ]  ]}