Modular Approach

Start with the concept itself, the idea of a multifigured, multipurpose flashlight. The idea of a modular system to build any type of illumination tool is unique to SureFire. Most flashlight companies content themselves with a few basic models. If they sold hamburgers, their motto would be,"Have it our way." But SureFire's modular system let's you upgrade, reconfigure, accessorize, customize, personalize your flashlight. The modular system allows you to select precisely the right flashlight from a matrix of interchangeable components. It gives you the ability to tailor your SureFire to your needs.

From this matrix of choices, you can designate what type of switch— tactical, click-on or remote—and how much light output you desire, based on the number of batteries and the power of the lamp assembly.You can prioritize your need for runtime versus the level of brightness.You can choose rechargeable or disposable lithium batteries.You can pick an LED or an incandescent lamp. SureFire's different bezel sizes allow you to customize what type of beam shape you prefer, narrow or wide.You can order your flashlight to be CNC machined from aerospace-grade aluminum or made from weatherproof, noncon-ductive polymer. Color is a choice for you too. And wouldn't it be great if the parts from your handheld flashlight could interchange with those on your weapon-mounted light!

This is SureFire's modular approach. It starts with an engineering vision to design not just a single model, but to create an entire flashlight system.The result is unrivaled versatility, allowing you to combine a wide array of options into the one perfect flashlight. When the modular concept reaches its zenith in the near future, you'll even be able to design your own SureFire flashlight online, track it as its being built and serial number it with your own name!

Because SureFire has invested so much effort on the concept of a modular flashlight system, it's probably worth a few minutes of your time to allow us to explain more fully how to appreciate the many options that our modularity allows.

The first consideration in selecting a flashlight is the power source. For high performance applications, you really only have two options,disposable lithium batteries or Ni-Cad rechargeable batteries. Alkaline batteries just don't cut it. Now that SureFire has priced its premium high-energy lithium batteries at only $1.25 (in a dozen-count box), the traditional "cost savings" argument for rechargeable batteries is largely moot.

Putting aside the cost-issue for a moment, the thing to realize is that the smaller size and higher energy density of the SureFire 123A lithium battery makes lithium-powered flashlights smaller, lighter and more powerful than a rechargeable flashlight. Initially, a lithium-powered

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flashlight is less expensive than a rechargeable and it's simpler to operate without a charger.

But perhaps the most compelling argument for lithium batteries is their total reliability. SureFire lithium batteries carry a 10-year shelf life. All rechargeable batteries, on the other hand, self-discharge quite rapidly and steadily lose capacity with usage and age.That loss can come early in the life of the flashlight if the batteries are mistreated (i.e.,not allowed cycle fully through the charge/discharge cycle).

It is because of these problems that SureFire strongly cautions against using a rechargeable flashlight (of any brand) for critical applications, tactical purposes or any life-threatening situation. Rechargeable batteries are only suitable if you use your flashlight often— weekly if not daily— for long periods of time that allow the battery to fully cycle.

If you select rechargeable batteries as your power source, your range of options from the modular menu is slimmer than the multiplicity of variations embedded in SureFire's lithium-powered lines. Why? Because the models in SureFire's Advanced Rechargeable Series were designed as stand-alone items. For instance, Advanced Rechargeable switches are non-interchangeable and their lamp assemblies come in only one brightness level.

However, the Advanced Rechargeables are not entirely static.You can upgrade an 8AX Commander to accept a long-running

SureFire's Universal WeaponLight series is a totally modular system that can be configured with a variety of switch options, lamp choices and even a dual lightlaser attachment. Complete details about the Universal WeaponLight system's modularity can be found in SureFire's 2004 WeaponLight User's Guide (it's free, call 800.828.8809 to order).

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LED bezel (KL-7). Or you can modify the beam of your Advanced Rechargeable with a TurboHead reflector (KT-5 for an 8AX or KT-3 for a 9AN Commander).

Selecting high-energy lithium batteries as your power source reveals the full scope of SureFire's modular approach. Now the choices become much more varied.

First, you need to define the role you want your flashlight to serve. Do you want to illuminate objects at a distance or close by? Obviously it requires more light intensity to shine your beam out to 200 yards than it does to light a two-man tent.While there are several factors that determine the distance a beam can reach— reflector configuration, lamp intensity and voltage—the factor to consider first is the energy or voltage of the flashlight. SureFire makes flashlights that run on one, two, three, four and six lithium batteries. More batteries equals more energy equals more light power.

The vast majority of SureFire users select a two-battery model because a two-battery flashlight offers the optimum balance of light output and compact size.There are upgrade-able lamp assemblies available for most two-battery models with 120 lumens of light (using a P61 lamp assembly). There is also a TurboHead reflector assembly for select two-battery models that focuses the beam more tightly for greater beam projection.

Of course if you select a three-battery model, there is a standard model that comes with a TurboHead™ reflector assembly (M3T

CombatLight™) as well as an upgradeable TurboHead kit (to fit the C3 Centurion® and other three-battery models).

Picking a four-battery model (M4 Devastator®) or a six-battery model (M6 Guardian®) gives you the ultimate in beam projection. Both the M4 and M6 come with TurboHead reflectors as standard.

At the same time you weigh the number of batteries a given model holds, you're also deciding how much light output you'd like from your flashlight. It's simple— more batteries, more light. For instance, a one-battery E1e Executive Elite produces 15 lumens while a six-battery M6 Guardian generates 500 lumens.

But the choice of light output doesn't stop with the number of batteries because SureFire flashlights can be upgraded to a "high-output" lamp for even more blistering white light. For example, the standard lamp that comes with a G2 Nitrolon produces 65 lumens, but stepping up to a highoutput lamp nearly doubles the lumens, to 120, but with a reduction in runtime. It should be noted that the Special Operations Series and many SureFire WeaponLights™ come with both the standard and high-output lamp assemblies.

Having chosen your basic SureFire model, you can now accessorize your flashlight with different tailcap switches, replacement TurboHead reflector kits, wrist lanyards, rechargeable conversion kits and— we saved the best for last—

LED conversion heads.

LED conversion heads are part of the modular matrix of SureFire illumination tools. LEDs give you longer runtimes than an incandescent lamps, plus LEDs can't break or burn-out.

The light output from an LED is typically less than an equivalent incandescent, but that's not always the case. The LED conversion for the E1e Executive Elite (KL1) generates 15 lumens, the same as the little light's incandescent lamp. Upgrade your 6P Original or C2 Centurion with an LED conversion (KL3) and the lumen output is nominally 25 lumens, quite a bit less than the standard lamp assembly's 65 lumens. Then again, runtime is rated at four hours of bright light, plus an additional 8 hours of useful light— 12 times longer than its incandescent counterpart.

From click-on tailcaps to LED conversions, SureFire's lithium-powered flashlights are part of a modular system that even includes many of SureFire's weapon-mounted systems.

With such versatile interchangeability of components and accessories, SureFire allows you to upgrade or accessorize your flashlight to suit your needs.As you consider which model might be best for your applications, bear in mind the opportunity to multitask your flashlight with SureFire's modular accessory inventory— the possibilities are out there.

SureFire's vice president of engineering Paul Kim checks the dimensions on a prototype. Kim creates experimental models and "concept lights" before settling on a final design to prototype.

ACCESSORIES & UPGRADES

Customizing a flashlight with upgrades and accessories is one of the primary attractions of SureFire's extensive array of illumination tools. From beam-altering filters to specially designed holsters to LED conversion heads, there are many practical and useful additions you can make to your SureFire.

Start with the beam. SureFire beams are famously bright, designed to throw an intense center spot, uniformly white and smooth, surrounded by a soft corona of peripheral light. SureFire scientists agonize daily on how to improve the beam quality,just as they have for the past two decades as they perfected our illumination technologies. One of our senior engineers dedicates his full-time attention to nothing but testing, improving and upgrading the performance of our lamp assemblies and LED sources. As new models are introduced, a new lamp assembly is designed and built, all with the idea of creating a perfect beam.And then another engineer sets about altering that perfect beam with a SureFire filter.

Beam-altering filters come in four basic types.There is a simple beam-blocking filter, a protective cover that shields the bezel and prevents any light from escaping. Why would you block the light? Military operations— and certain SWAT applications— often require covert movement in darkness, making an accidental "white light discharge" a dangerous prospect.To prevent a WeaponLight from shining until its operationally necessary, these operators use a protective cover on their SureFires.

The second category of filters serves a similar function. Infrared filters block the emission of white light, but also allow the operator to illuminate his target with invisible IR light that can only be seen with night vision goggles. IR filters and protective covers are available for all SureFire bezel sizes.

The third category is the colored filter. Blue and red filters are available in every bezel size to alter the color of the light. Blue is useful to find a blood trail. Homicide detectives use blue filters at crime scenes to look for clues. Big game hunters use blue filters to find a blood trail in the woods. Red filters are useful for "dumbing down" the bright white light for navigating in the night without losing your dark-adapted vision. Also, hunters use red filters for pre-dawn movement through the woods without spooking game. Deer cannot see in the red color spectrum.

The final category of filters is the one that annoys the scientists— the diffusion filter which blurs the light into a broad, gentle, soft beam. Diffusion filters are useful for lighting close confines where the intense brilliance of a SureFire is just too bright.

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