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Streamlight
Overview
The Streamlight ProTac Railmount 1 is a robust flashlight designed specifically for long guns, crafted from durable 7075-T6 aluminum to withstand harsh conditions. This black flashlight delivers reliable illumination for tactical situations, making it an essential accessory for builders looking to enhance their firearm's versatility. It is commonly found in builds featuring a carbine gas system chambered in 5.56 NATO, where dependable lighting is crucial for performance in low-light environments.
Specifications
Streamlight ProTac Railmount 1 Long Gun Light - 88058
Available Merchants(11)
Prices checked
Price Alert
October 2026 on GunPartPicker
Streamlight ProTac Railmount 1 Long Gun Light - 88058 ranked #47 of the 101 weapon lights builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #62 of the 255 weapon lights builders have added. Builds with this weapon light are mostly chambered in 5.56 NATO (74%, then .223 Wylde 11%), split between carbine-length (39%) and mid-length (39%) gas systems, and mostly AR-15 (86%, then AR-9 9%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 9 of the 11 retailers we track have it in stock. Prices barely moved in October 2026, holding around $108.99, with no real sale all month. Buying today, the lowest price is $114.94 at KY Gun Company, above October's low of $108.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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We ranked every light by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Weapon Light Guide →Frequently Built With
The part most often added in each category by the builds that include this one
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Bravo Company Manufacturing Bcmgunfighter Mod 1 Stock SOPMOD - Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Streamlight ProTac Railmount 1 Long Gun Light - 88058
| Build | Parts | Total |
|---|---|---|
 | 15 | $1229.53 |
 | 14 | $4048.70 |
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