Rosch Works SL1 SIGHT-LIGHT

ROSCH-Works-SL1-Front

The Rosch Works SL1 SIGHT-LIGHT is a very nifty front sight for any picatinny railed firearm that has a built in 250 lumen LED flashlight built in. This is one of those products I wish I had thought up myself!

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The specifications are …

  • 250+ lumen LED lighthead co-developed with Gene Malkoff of Malkoff Devices
  • Picatinny rail mount for free-floated frontend top-rail mounting
  • 7075 T6 aluminum for ultimate toughness
  • Cerakote over Type III hardcoat anodization for ultimate protection and appearance
  • Nitrocarburized steel components for appearance and forever corrosion protection
  • Water-resistant, all-weather operation
  • Twisty tailcap (always off, momentary on, always on)
  • Minimal footprint (< 3.5″) and weight (3.2oz with CR123 battery)
  • Protected against inserting battery backwards.
  • Battery life measured at 50 minutes at full-brightness and declining intensity for hours after.
  • Ships with a CR123 battery, a sight elevation adjustment tool, a 5/32″ hex key and thread locker
  • Made in USA

It is being sold by Rosch Works for $235.

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Steve Johnson

Founder and Dictator-In-Chief of TFB. A passionate gun owner, a shooting enthusiast and totally tacti-uncool. Favorite first date location: any gun range. Steve can be contacted here.


More In: AR-15, Flashlights, Rifles


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  • Risky

    Pretty nifty… I wonder why someone hasn’t already made a similar product that just accepts any standard 1 inch light? Is there’s not enough room??

  • vereceleritas

    I think a clicky tailcap would be better than a twisty one in this application. Wouldn’t you have to remove your support hand from the handguard to twist it on and off?

    • http://www.thefirearmblog.com/ Phil W “Senior Writer TFB”

      It has both?

  • Clint Notestine

    damn thats nifty

  • Tom

    A very clever idea but 250 Lumens seems a little extreme for indoor use.

    • MattInTheCouv

      I agree, but lumens numbers are what sell flashlights these days. People don’t understand that more isn’t necessarily better.

      • http://www.thefirearmblog.com/ Phil W “Senior Writer TFB”

        Once you go past 200 or so lumens indoors the difference between it and say 500 lumens is negligible to the human eye.

        • DiverEngrSL17K

          The obsession ( obviously market-driven ) with lumens is starting to get out of hand. While I agree that there should be a reasonably high level of illumination intensity, i.e., lumens, available, it is all too easy to forget that other factors, such as beam focus at a given range, reflector design ( which functionally affects how those lumens are concentrated and at what range ), and temperature color ( for visual clarity ) all play an equally important role in how well a tactical light works. That is why we have 800-lumen lights that don’t work as well as 150-lumen lights at a range of 300m, or 1200-lumen lights that are inferior to 200-lumen lights at 800m, to cite but two of many examples.

          • Tom

            In some regards I think we are at the same stage with lights as we were with computers a few years back, the speed of processors kept going up but for the average user there was no advantage to be gained. Comparing my 100 lumen light with my 200 of course I can see a difference but for indoor use ether is more than enough to illuminate whatever i want (and blind anyone unfortunate enough to be caught in the eyes).

        • MattInTheCouv

          i’d go even farther and say your 500lm example is detrimental in dark situations. if you believe in “light discipline” and don’t keep your light on all the time, but rather use it intermittently so as to not constantly be advertising your position to folks you might not want to know it, after you let off that first 2 second burst of artificial sun… your night vision is toast, and you aren’t gonna be able to see squat unless you keep the light on the rest of the time.

  • DiverEngrSL17K

    While the concept for mounting the light is an innovative, compact, space-saving and unique one, the performance of the light itself appears to be pretty much average, and no different to that of both higher-end and lower-end competitors ( which is still outstanding considering the current advancements in LED illumination technology, O-ring sealed waterproofing and operational features ).

  • http://www.thefirearmblog.com/ Phil W “Senior Writer TFB”

    How it’s activated. From the company website.

  • Wai Su Dum

    Ill wait for the 30$ Chinese ripoff

  • MattInTheCouv

    I really like the idea of having the light on top of the weapon. Inevitably most lights will shine part of their light on the end of the barrel and/or any muzzle device it has. this creates a beam profile that looks like a pie with a slice taken out of it, and the slice is dependent on where the light is mounted (having the light below the barrel usually creates the worst beam profile). Having the light at the top means the missing slice is at the 6 o’clock position, which is ideal because when you have the weapon at a low[ish] ready position, the light will still give good illumination to what you will be aiming at when you bring the weapon up to fire. That said, i would rather have this mount be a generic 1″ style, so i can choose my own light for my application, and put a remote pressure pad tailcap on it because while having the light atop the barrel/handguard is great, having the activation switch up there is NOT ideal for my shooting style

  • Cymond

    If you like this idea, also look at the “TangoDown Front Sight Flashlight Adapter”. It’s basically a front sight with a giant gaping hole that mounts to a picatinny rail. You can put the front of a Surefire X-300 or similar through the sight.

    Also, Daniel Defense makes a fixed picatinny-rail front sight designed to sit behind a pistol light, with the activation switches on each side of the sight.

    • st4

      That’d be the way if you had a spare pistol light already handy, cheaper too. Otherwise the SL1 looks like a nifty all in one unit. And it’s Cerekoted to boot!

  • Yellow Devil

    SIGHT-LIGHT MAKES SHOOTING AT NIGHT ALRIGHT!