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Streamlight ProTac HL-X

Streamlight/Tactical

Streamlight ProTac HL-X

The weapon-light-that-isn't. The HL-X is the go-to recommendation for a reliable tactical light — proven, affordable, and works with pressure switches for rifle mounting.

Beam profile

Thrower, about 12° wide. Reach first: a small hotspot that puts light a long way out.

Estimated from 1,000 lm ÷ 27,600 cd — how this works

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Specifications

Output
1000lm
Peak intensity
27600cd
Beam distance
332m
Emitter
CREE C4 LED
Colour rendering
70 CRI
Beam type
Balanced
Cell
18650
Runtime
1.5 hrs (high)
Modes
3 Stepped
Interface
TEN-TAP
Water/dust
IPX7
Dimensions
5.4 x 1.4 in
Weight
5.6 oz
Warranty
Lifetime

Manufacturer figures, measured to ANSI FL1 where the brand states it.

Features

What owners report

Streamlight ProTac HL-X/4 sources reviewed

A duty light built on Streamlight's reputation for dependability: 1,000 lumens reaching around 328 yards, a tail switch giving momentary and constant-on plus a programmable mode selection, and dual fuel — two CR123As or Streamlight's own USB-rechargeable SL-B26 pack. Measured output exceeded expectations by a decent margin, which is not the usual direction.

Two owner reports worth weighing. One found that after around 300 rounds of recoil the light would flicker off and not restart until struck, and said plainly they wouldn't mount it on a rifle they depended on. Another found it uncomfortably hot to hold after more than three minutes of use. It's also somewhat heavier than competing lights.

Consistently praised

  • Measured output exceeded the claimed figure by a good margin
  • Tail switch offers momentary, constant-on and programmable modes
  • Dual fuel: two CR123As or the rechargeable SL-B26 pack
  • Around 328 yards of reach from a 1,000-lumen light
  • Streamlight's long-standing reputation for dependability

Common complaints

  • One owner reported it flickering off under recoil after ~300 rounds
  • Uncomfortably hot to hold after more than three minutes
  • Heavier than several competing lights
  • No high-CRI option
  • The rechargeable pack is proprietary to Streamlight

Questions people ask

Is it reliable under recoil?
One owner reported theirs cutting out after roughly 300 rounds and needing a knock to restart, and said they wouldn't trust it on a defensive rifle. That's a single report against a generally strong reliability record, but it's the kind you should weigh yourself.
What batteries does it take?
Two CR123A primaries or Streamlight's SL-B26 USB-rechargeable pack. The dual-fuel flexibility is a genuine advantage — CR123As store for years.
How hot does it get?
Uncomfortable to hold after about three minutes of continuous use. For a duty light used in bursts that's rarely an issue.
Is the programmable switch useful?
Yes — you can set it for high-only, low-then-high, or strobe, so the light behaves the way your job needs rather than cycling through modes you'll never use.
Sources (4)

Head to head