Streamlight ProTac Railmount 1 Long Gun Light - 88058
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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
Build history on GunPartPicker
Builders have been adding the Streamlight ProTac Railmount 1 Long Gun Light - 88058 to their builds on GunPartPicker since February 2026. All time, it ranks #64 of the 202 weapon lights builders have added. Builds with this weapon light are mostly chambered in 5.56 NATO (67%, then .223 Wylde 11%), mostly on carbine-length gas (60%, then mid-length 40%), and mostly AR-15 (83%, then AR-10 8%).
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 13 of the 14 retailers we track have it in stock. It dipped to $99.99 at Palmetto State Armory for a stretch in August 2026, under its usual $105.99 to $128.99, so sales do come around. Buying today, the lowest price is $108.99 at BattleHawk Armory, above August's low of $99.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Read the guide: AR-15 Weapon Light Guide →Frequently Built With
The part most often added in each category by the 21 builds that include this one
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Aero Precision M4E1 Threaded Barreled AR-15 Upper 5.56 Rifle Atlas R-One - 18"
Hiperfire AR-15/10 Edt® Designated Marksman Trigger Assembly
Viridian Venta Green Dot Sight 1x22mm 3 MOA Dot
Radian Weapons AR-15 Raptor/talon L/s Combo Black Anodized
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 2 →Builds in the community that include the Streamlight ProTac Railmount 1 Long Gun Light - 88058
| Build | Parts | Total |
|---|---|---|
 | 15 | $1212.77 |
 | 14 | $4039.75 |
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