Streamlight ProTac Rail Mount 2 Fixed Long Gun Light with 625 Lumens - 88059
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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
Available Merchants(10)
Prices checked
Price Alert
October 2026 on GunPartPicker
Streamlight ProTac Rail Mount 2 Fixed Long Gun Light with 625 Lumens - 88059 ranked #17 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 #15 of the 254 weapon lights builders have added. Builds with this weapon light are mostly chambered in 5.56 NATO (84%, then 300 Blackout 14%), split between mid-length (58%) and pistol-length (19%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 6 of the 10 retailers we track have it in stock. Prices barely moved in October 2026, holding around $125.24, with no real sale all month. Buying today, the lowest price is $126.49 at KY Gun Company, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 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 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
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black
Magpul AR-15 CTR Stock Collapsible Mil-Spec Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use 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 Rail Mount 2 Fixed Long Gun Light with 625 Lumens - 88059
| Build | Parts | Total |
|---|---|---|
 | 12 | $4117.36 |
 | 25 | $3690.56 |
 | 24 | $3962.06 |
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