Streamlight ProTac Railmount 2L – Dedicated Fixed Mount Long Gun Light – Max 625 Lum

SKU: 88059

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Weapon Light Kit for Home Defense

The Streamlight Pro Tac Rail Mount 2 Dedicated Fixed-Mount Long Gun Light features a powerful 600 lumen beam, with a maximum throw of up to 300 yards.  The shockproof and waterproof housing features a hard anodized finish, and an impact resistant BOROFLOAT glass lens.  Use it with the included push-button tailcap, or the multi-function pressure switch.
The light source is C4 LED technology, impervious to shock with a 50,000 hour lifetime. TIR optic produces a concentrated beam with optimum peripheral illumination. The multi function, push button tactical tail switch or dual remote pressure switch with latching push button turn it on and off.  This light allows one-handed operation of momentary, constant on, or strobe.

Multiple Mounting Solutions

Whether you’re running a modern free-float or traditional drop-in handguard, you can attach this light to almost anything.  The light needs a picatinny rail or scout-style adapter, but the multi-function pressure switch can go basically anywhere.  Rail grabbers, zip ties, and adhesive pads can be attached to your handguard for the pressure switch.


  • TEN-TAP programmable switch allows user selection of one of three different programs: high/strobe, high only, or low/high.
  • Remote pressure switch features momentary and constant on operation
  • Fixed rail grabber with thumbscrew easily attaches to Picatinny rails
  • One handed snap on and tighten interface keeps hands away from muzzle when attaching/detaching
  • Securely fits a broad range of weapons; mounts directly to guns with MIL-STD-1913 rails
  • IPX7 waterproof to 1 meter for 30 minutes with standard button switch
  • Runs on two CR123A lithium batteries which are included.
  • Length is 5.00 inches, 1.20 inches wide, and height is 1.50 inches.

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Streamlight Limited Lifetime Warranty

Streamlight warrants its products to be free of defects for a lifetime of use except for batteries and bulbs, abuse, and normal wear*. We will repair, replace, or refund the purchase price of this product should we determine it to be defective. This limited lifetime warranty also excludes rechargeable batteries, chargers, switches, and electronics which have a 2-year warranty with proof of purchase.

You may have other specific legal rights which vary by jurisdiction.

Your particular Streamlight product may have a different warranty that was in place at the time of purchase. Please provide proof-of-purchase when processing a warranty claim. If you have further questions or would like to process a warranty claim, please review Streamlight’s FAQ section for locations and information about Streamlight’s service center near you, including factory information.

If you have any questions on the warranty of your Streamlight product or service, please contact us directly at 800-523-7488 / 610-631-0600.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 12 reviews
Great tactical light

Great price! Great light, full of features. Looks great.

Matthew Thompson
Great for a budget build!

Needed a couple lights. I opted too attach pressure switch with provided rubber pictanny mounts. Those are a little painful to work with but just be patient. They will be perfect for what I plan on occasion use.
Solid light mount and easy setup. Three different settings that’s easily adjusted. If your looking for a budget light for ar, picatinny mount this is it. Go ahead and make a rubber cap just incase. Dont want light when you don’t need it.
Plenty bright. I like how fast I can remove the light also. Tightens down good for shooting. So far it’s done great not loosening with use. Time will tell.

Streamlight ProTac Railmount 2L

Great light. everything is included in the box. First light I've put on a rifle, I myself wouldn't want to go much brighter especially for indoor. Four stars due to short time I've owned not sure on reliability

Jim Matott

Great lite, easy install

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.

William Morgan

Lightweight; you will barely notice it mounted on the weapon. Super bright for a light that size, the strobe function is quite disorienting, and it will make a excellent attachment for any long gun!

Thanks for sharing your feedback! We're glad you're satisfied with your purchase. Cheers!