Compared on builder picks, today's prices and specs.
Our pick: the builders' favorite

Builders pick it 10 to 1 over the SureFire M640DF Scout PRO Dual Fuel.
$160.22at BattleHawk Armory, in stock
Builders pick the Streamlight ProTac Rail Mount HL-X Laser 10 to 1 over the SureFire M640DF Scout PRO Dual Fuel. It is in 25.1% of GunPartPicker builds that have a weapon light, against 2.5% for the SureFire M640DF Scout PRO Dual Fuel. It is also the cheaper one today: $160.22 at BattleHawk Armory, $160 less than the SureFire M640DF Scout PRO Dual Fuel.
8 stores we track have the Streamlight ProTac Rail Mount HL-X Laser in stock. Builders paid a median $155.09 for it when they added it, against $319.99 for the SureFire M640DF Scout PRO Dual Fuel. On paper they differ on light type (Light/Laser Combo against Flashlight), output (1000 Lumens against 1500 Lumens) and mount type (Rail Mount against M-LOK / Picatinny). It is most often built with the EOTECH 3x30.5mm X 21.6mm and the Geissele Automatics SSA-E X.
Builders pick the Streamlight ProTac Rail Mount HL-X Laser 10 to 1.
Shares come from GunPartPicker's build data: real parts lists people put together while planning a purchase, not sales. Slot share is the share of builds with a light that chose this one. Median paid is the price shown when builders picked it, not today's price; the table below has today's prices.
| Spec | ![]() | ![]() |
|---|---|---|
| Lowest in stock | $160.22BattleHawk Armory | $319.99Optics Planet |
| Stores in stock | 8 | 4 |
| Light Type | Light/Laser Combo | Flashlight |
| Output | 1000 Lumens | 1500 Lumens |
| Mount Type | Rail Mount | M-LOK / Picatinny |
| Battery Type | Not listed | CR123A x2 / 18650 |
| Color | Not listed | Black |
| Material | Aluminum | Aluminum |
| Weight | 10.8 | 5.5 |
| Actions |
Every store we track for each part, cheapest in stock first. Prices are checked through the day.