Weapon Lights

A weapon light exists for one reason: to let you positively identify a target before you decide what to do about it. That matters whether you're clearing a house at 2am, working a barn at night during hog season, or just want the option in a home-defense setup. Extreme Reloading stocks weapon lights and light/laser combos for rifles, pistols, and shotguns — mounts, switches, and accessories included — in stock and shipping in 24 hours from a veteran-owned shop.

Lumens vs. candela — read both numbers

Lumens measure total light output; candela measures beam intensity — how far and how tightly the light throws. A light with high lumens and low candela floods a room but doesn't reach far; high candela with modest lumens throws a tight, punchy beam down a hallway or across a field but lights up less of the room around you. For close-quarters or home-defense use, a flood-heavy beam (higher lumens, moderate candela) helps you see the whole space. For outdoor or longer-distance identification, prioritize candela — it's the number that determines how far you can actually identify a target, not the lumen figure alone.

Rifle lights vs. pistol lights

Rifle and shotgun weapon lights are typically larger, higher-output, and mount to a rail on the handguard or forend, run by a tape switch or pressure pad your support hand can reach without breaking your grip. Pistol weapon lights are compact, mount to the frame's accessory rail (check your specific model — not every pistol has one, and rail length/position varies by manufacturer), and are usually activated by a switch built into the light body itself, operated by the trigger-finger side of your grip. A pistol light forces a decision on holster: you'll need a holster built to accommodate the light, since a standard holster won't fit a light-equipped pistol.

Constant, momentary, and strobe

Most weapon lights offer at least two activation modes: momentary (on only while the switch is pressed) and constant (press once, stays on). Many also include strobe, which disorients a threat at close range but also gives away nothing about your exact position the way a constant beam can. Which mode you default to is a matter of training and personal doctrine more than gear — but make sure whatever light you choose actually offers the modes you intend to train with, since not all of them include strobe.

Light/laser combos

Combo units add a visible and/or infrared laser alongside the white light, useful for faster target acquisition (especially one-handed or from awkward positions) and, with IR lasers, for use with night vision. IR laser use requires night vision to actually see the beam — running one without the other means you're carrying a laser you can't use for its intended purpose. Visible lasers work with the naked eye and don't require any other gear.

Battery type and runtime

Most weapon lights run on CR123A lithium batteries (long shelf life, reliable in cold, standard across the industry) or rechargeable lithium-ion cells built into the unit. CR123A-based lights are easier to keep spares for in a range bag or kit; rechargeable units save money over time but require remembering to charge them. Runtime drops at higher output settings — a light rated for 400 lumens constant may run significantly shorter than the same light on a lower setting, worth checking if you need extended run time over maximum brightness.

Mounting and durability

Rifle lights mount to Picatinny or M-LOK rail sections depending on your handguard; confirm which mounting system your light ships with; and check offset — some mounts position the light forward and to the side of the barrel to keep the beam clear of suppressors or other rail-mounted accessories. Look for lights rated for the recoil of the platform you're running them on and, if the light will see outdoor or duty use, an IPX water-resistance rating.

Brands we carry

Arisaka Defense for compact, duty-grade weapon lights and mounts, plus NcSTAR, TRUGLO, Leapers/UTG, Midwest Industries, and Real Avid for lights, mounts, and related rail accessories across a range of price points. Filter by manufacturer on this page to jump straight to a brand's full lineup.

Frequently asked questions

How many lumens do I actually need? For home defense inside a house, 300-500 lumens is plenty — more than that can wash out reflective surfaces in a small room. For outdoor use or longer identification distances, higher lumens paired with higher candela extends your effective range.

Do I need a pressure switch, or is the light's built-in button enough? A remote pressure/tape switch lets you activate the light without moving your support hand off the rail, which matters most on a rifle or shotgun held at the ready. For a pistol light, the built-in activation switch is the standard setup.

Will any weapon light fit my pistol's rail? Most modern pistol accessory rails follow a Picatinny-style spec, but rail length and position vary by model — check your specific pistol's rail spec against the light's mounting compatibility before ordering, especially on compact or subcompact frames with shorter rails.

Not sure which light fits your platform or use case? Reach out — we're happy to help you match the right light, mount, and switch to what you're actually running.