Streamlight ProTac Rail Mount 2 Fixed Long Gun Light with 625 Lumens - 88059
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Streamlight
Overview
The Streamlight ProTac Rail Mount 2 is a versatile weapon light designed for tactical long guns, delivering an impressive output of 625 lumens for optimal illumination in low-light conditions. It utilizes a CR123A battery and features a rail mount compatible with Picatinny systems, allowing for secure attachment to your firearm. This light is commonly found on builds with a mid-length gas system in 5.56 NATO caliber, making it a solid choice for those looking to enhance their visibility during dynamic situations.
Specifications
Streamlight ProTac Rail Mount 2 Fixed Long Gun Light with 625 Lumens - 88059
August 2026 on GunPartPicker
Streamlight ProTac Rail Mount 2 Fixed Long Gun Light with 625 Lumens - 88059 ranked #17 of the 91 weapon lights builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #15 of the 197 weapon lights builders have added. Builds with this weapon light are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 11 retailers we track have it in stock. The best price crept up from $114.99 to $143.99 over August 2026. Buying today, the lowest price is $114.99 at BattleHawk Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 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 37 builds that include this one
Aero Precision Stripped M4E1 AR-15 Lower Receiver - Special Edition - Freedom
EOTECH XPS2 Holographic Sight, Tan - XPS2-0TAN
Bravo Company Manufacturing 5.56 NATO Mid-Length Bhf AR-15 Barreled Upper - MCMR-15 - 16"
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Magpul AR-15 CTR Stock Collapsible Mil-Spec Black
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Builds Featuring This Part
See all 3 →Builds in the community that include the Streamlight ProTac Rail Mount 2 Fixed Long Gun Light with 625 Lumens - 88059
| Build | Parts | Total |
|---|---|---|
 | 12 | $3721.48 |
 | 25 | $3618.22 |
 | 24 | $3958.46 |
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