4 Best Glock 21 Light Options
We have narrowed down 4 best Glock 21 weapon light options. These products are judged based on lumen / candela output
There are much more powerful lights with increased lumen and candela, available now!
Check them out below:
Top Glock 21 Weapon Lights
Disclosure: All products have affiliate links for earning commission to support the website when you purchase
Streamlight TLR 1 HL - Best Overall
The Streamlight TLR 1 the most popular weapon light for Glock 21. It's by far the most popular duty grade 45 ACP pistol weapon light that offers great illumination capabilities at a good price point.
Easy To Activate Switches - No need to hard press the switch to activate the light even in cold freezing weather with or without gloves
Replaceable Lens Bezel - Quick and easy replacement
Strobe Mode Added - Blind threats with fast rate strobe light to gain tactical advantages
Features:
- 1000 Lumens
- 15000 Candela
- 2 CR123A Batteries
- 4.18 oz
- 3.39 in
- IPX7
Pros
- Very affordable
- Duty grade light
- High lumen & candela output
- Easy to mount and demount
- Easy to toggle switches for one handed use
Cons
- So many mount keys provided, may lose them
- Still runs on 2 CR123A batteries
Surefire XH30 - 2nd Best Duty Light
Why pick this one - The XH30 is newer model of the X300U. It's the go-to duty grade handgun light for the military and law enforcement for close range low light applications.
Slide Always In Battery - Prevent the slide from getting out of battery during point blank muzzle-to-surface contact engagement to save your life.
Strobe Mode Added - New strobe mode added to blind threats like the TLR 1 HL
Balanced Throw & Spill - You get the hot spot and wide illumination. Make sure to get the XH30 for this feature, not the XH35
Mounts Directly To The Rail- Glock rail key included to fit on Glock 22 full size frame. Use it on other pistols with universal or Glock rail slot.
Built To Last - Mil-spec grade aluminum housing protects electronic components inside from sharp 45 ACP recoil impulse, drop, and day to day field handling.
Pros
- Duty grade light
- Very wide flood beam
- Easy to mount and demount
- Strobe mode added that X300U doesn't feature
Cons
- Stiff control switches
- Doesn't fit existing X300U holster
- Slightly pricier than TLR 1
Olight PL Pro - Best For Training
Why Train With Olight PL PRO? - The PL Pro's USB charging capability makes this light very cost effective for high volume low light training at home or at low light training classes.
High Lumen - Very powerful illumination in CQB environment to ID targets
QD Lever Mount - Detach the light on the go
Positive Control - Activate the light easily with or without wearing gloves
Unlimited Battery - Use the light as much as you want and just charge it via a USB cord
Features:
- 300 - 1500 Lumens
- 19600 Candela
- USB Rechargeable Batteries
- 3.25 oz
- 1.44 in
- IPX6
See detailed PL PRO reviews here
Pros
- Recharge any time - huge savings on batteries
- Easy to mount and demount
- Very bright light beam for training
Cons
- Hard to find holsters (More products coming)
- Two button press required for strobe
- Not duty use
Olight BALDR PRO R - Best Laser For Glock 21
Why Get Olight BALDR PRO R - This is the best full size light and laser combo for the Canik TP9 with unlimited battery recharging capability for more training usage.
3 Modes - Mode selectors are redesigned as a ring dial to minimize external switches that can pose snag hazard
Quick Detach - Quickly mount or demount the light on the go without any tool
Save Money On Batteries – Recharge the light via USB cable just like other Olight products, so you can train as much as you like without buying extra batteries
Features:
- 600 Lumens
- 2500 Candela
- Wide Spill + Tight Hot Spot
- USB Rechargeable Batteries
- 2.57 oz
- 1.26 in
- IPX7
Pros
- Battery is rechargeable
- Laser pointer now built into the reflector to minimize the overall light size
- Quick detach for fast light swap when needed
Cons
- Strobe mode activation is a bit complicated