Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Questions & Answers
Will it fit a PRO TAC HL USB headlamp Expert Answer

The Streamlight ProTac HL-4 Tailcap Assembly is not compatible with the ProTac HL USB Headlamp. The correct tailcap can be found by using the link below:
https://www.opticsplanet.com/streamlight-tailcap-assembly-protac-hl-usb.html

by Ethan, Gear Expert, May 9, 2023
will this fit ProTac HL 5-X

Yes. It makes the ProTac HL 5-X dual-switch capable.

by Robert, Verified Owner, February 11, 2023
Customer Reviews
Most Recent Reviews
Pro-Tech HL-4 Tailcap by Crewdad, Verified Owner, January 2, 2026
Perfect replacement of the original equipment! Highly recommended for replacement parts!
Most Recent Reviews
Very Happy by Shane, March 23, 2024
Fits the Streamlight ProTac HL 5-X perfectly. Love it!
Most Recent Reviews
streamlight protac hl x 5 by Al, Verified Owner, March 23, 2024
Bought for protac hl 5 x works great now I can cut the light on and use the tail cap to operate it
Most Recent Reviews
Perfect fit by Joe, June 21, 2023
Direct replacement part, got my light working again, fair price, only available tailcap/switch I could find, could not locate part elsewhere even directly from streamlight. Thanks for bringing my flashlight back to life.
Read All 4 Reviews
Condition:
New

Code: SQ-ZA-TAASPRHL-880204

MPN: 880204

List: $33.04Save 15%
$27.99

Product Info for Streamlight ProTac HL-4 Tailcap Assembly

This Streamlight ProTac HL-4 Tailcap Assembly is a spare or replacement part for your ProTac HL-4 flashlight. These Streamlight Flashlight Accessories will also fit the HL-5X model.image

Specifications for Streamlight ProTac HL-4 Tailcap Assembly:

Manufacturer: Streamlight
Condition: New

Package Contents:

  • Streamlight ProTac HL-4 Tailcap Assembly

Streamlight ProTac HL-4 Tailcap Assembly Orderable Models

List of Orderable Models

  • Streamlight Tailcap Assembly, Protac HL-4, Accessory, 880204 , MPN: 880204 , Code: SQ-ZA-TAASPRHL-880204
Compare (0)