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Questions & Answers
Will this fit a Glock 19 with Olight PL-PRO Valkyrie? Expert Answer

No it will not.

by Jeremy, Gear Expert, November 17, 2021
Will this holster work with a TLR-1HD and optics? Thanks! Expert Answer

The Safariland Model 6378USN ALS Low Signature Glock Holster will not work with optics or the TLR-1HD.

by Hunter, Gear Expert, November 3, 2022
Customer Reviews
Helpful Positive Review
Safariland Holster by KW35, September 13, 2017
I was a little concerned when I first received this holster because it was very tight. It took a lot of pressure to get the handgun seated in the holster, and it also took a lot to draw it. In addition, if the gun wasn't seated all the way down, but ...
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4/7 found this helpful
Helpful Positive Review
Gold Standard for Duty Holster. by Jacob Howland, Verified Owner, July 18, 2021
Bought this for my battle belt for my Gen 3 Glock 19 with streamlight TLR-1HL. Fit very well right out the package with very little wiggle once ALS locks it in. AlS locking system works as expected, and makes drawing the weapon after some practice a ...
Read More...
1/1 found this helpful
Helpful Positive Review
Best holster by Thub, April 16, 2020
I love this holster! I saw flannel daddy use one and I had to have it because looking cool is the most important thing. I feel the gun is so secure holstered but when I draw the thumb button works perfectly and the draw so smooth. This is the best ho...
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1/1 found this helpful
Helpful Positive Review
Best OWB Holster On The Market by Michael, March 20, 2019
Tough as nails, amazing retention, tons of mounting options, and looks awesome doing it. I've beat on this things in various weather conditions and it continues to do it's job. If you're looking for a duty proven holster design, this is it.
1/1 found this helpful
Helpful Positive Review
Great working man’s holster by Lone Ranger, Verified Owner, December 6, 2019
What a well made holster. Retention is solid and fit is excellent. Note that this is a working man’s holster versus a concealment holster. The firearm does not hug your body, rather it stands away enough to make drawing with essential speed and repea...
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1/1 found this helpful
Helpful Positive Review
Perfect for G19 with TLR-7A by JD, Verified Owner, April 8, 2021
Fit perfectly with the Glock 19 and TLR-7a. The ranger green is a little off, but most ranger green items will vary. I added the nub mod to make the draw easier on the thumbs. I’m not using any of the other accessories that comes with it, but I added...
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2/2 found this helpful
Read All 12 Reviews
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Product Info for Safariland Model 6378USN ALS Low Signature Glock Holster

Discreetly carry your weapon throughout the day with this Safariland Model 6378USN ALS Low Signature Glock Holster. These Belt Holsters from Safariland provide a reduced infrared (IR) signature for minimal interference with other equipment and gear. This Safariland Model 6378USN ALS Low Signature Glock Concealed Carry Holster uses an open-top design and the Automatic Locking System to secure your pistol while providing thumb-only operation for fast, easy draws every time. Each holster is crafted from thermal-molded SafariLaminate complete with a suede lining that preserves your handgun's sights and finish. Keep your pistol secure and accessible with a Safariland Model 6378USN ALS Low Signature Glock Belt Holster.image

WARNING: California`s Proposition 65

Specifications for Safariland Model 6378USN ALS Low Signature Glock Holster:

Manufacturer: Safariland
Gun Make: Glock
Gun Model: Glock 32, Glock 23, Glock 19
Holster Type: Belt Holster
Holster Material: SafariLaminate
Application: Concealment
Belt Loop/Snap Width: 1.5 - 1.75 in
Model Generation: 4
Fastener/Closure Type: ALS - Automatic Locking System
Fabric/Material: SafariLaminate

Features of Safariland 6378USN ALS Low Signature Holster

  • ALS (Automatic Locking System) secures weapon once holstered; simple straight up draw once release is deactivated
  • Reduces Infrared (IR) Signature Compact profile for minimal interference with other equipment
  • Can also be used with the QLS 19 Quick Locking fork; allows various carry configurations and rapid transition from mounting points when used with the QLS 22 Receiver Plate (not included)
  • ALS retention is an open-top design that is drawn with a natural thumb only operation; no fingers in trigger guard area
  • Optional ALS Guard (Model #6006) available for increased security
  • Genuine Safarilaminate thermal-molded construction with suede lining to help protect the guns finish

Package Contents:

  • Safariland Model 6378USN ALS Low Signature Holster - Glock Handguns Only

Safariland Model 6378USN ALS Low Signature Glock Holster Orderable Models

List of Orderable Models

  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Right Hand, Cordura, Multi Cam, 6378USN-283-701 , MPN: 1159066 , UPC: 781602555968 , Code: DS-HT5-6378USNGLK-6378USN-283-701
  • Safariland Model 6378usn Als Low Signature Holster For Glock 19, Khaki - 1166806 , MPN: 1166806 , UPC: 781602589765 , Code: DS-HT5-6378USNGLK-6378USN-283-751-MS19
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Right Hand, Cordura, Khaki, 6378USN-2832-751 , MPN: 1161624 , UPC: 781602567589 , Code: DS-HT5-6378USNGLK-6378USN-2832-751
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Right Hand, Cordura, Black, 6378USN-283-781 , MPN: 1169678 , UPC: 781602603638 , Code: DS-HT5-6378USNGLK-6378USN-283-781
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Right Hand, Cordura, Coyote Tan, 6378USN-283-741 , MPN: 1159687 , UPC: 781602558792 , Code: DS-HT5-6378USNGLK-6378USN-283-741
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Left Hand, Cordura, Multi Cam, 6378USN-283-702 , MPN: 1159067 , UPC: 781602555975 , Code: DS-HT5-6378USNGLK-6378USN-283-702
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Right Hand, Cordura, Ranger Green, 6378USN-2832-731 , MPN: 1161625 , UPC: 781602567596 , Code: DS-HT5-6378USNGLK-6378USN-2832-731
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Left Hand, Cordura, Coyote Tan, 6378USN-283-742 , MPN: 1159688 , UPC: 781602558808 , Code: DS-HT5-6378USNGLK-6378USN-283-742
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Right Hand, Cordura, Ranger Green, 6378USN-283-731 , MPN: 1160119 , UPC: 781602560894 , Code: DS-HT5-6378USNGLK-6378USN-283-731
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Left Hand, Cordura, Black, 6378USN-283-782 , MPN: 1169679 , UPC: 781602603645 , Code: DS-HT5-6378USNGLK-6378USN-283-782
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Right Hand, Cordura, Multi Cam, 6378USN-2832-701 , MPN: 1159997 , UPC: 781602560429 , Code: DS-HT5-6378USNGLK-6378USN-2832-701
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Right Hand, Cordura, Coyote Tan, 6378USN-2832-741 , MPN: 1160836 , UPC: 781602564458 , Code: DS-HT5-6378USNGLK-6378USN-2832-741
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Left Hand, Cordura, Multi Cam, 6378USN-2832-702 , MPN: 1160001 , UPC: 781602560436 , Code: DS-HT5-6378USNGLK-6378USN-2832-702
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Left Hand, Cordura, Coyote Tan, 6378USN-2832-742 , MPN: 1165917 , UPC: 781602585217 , Code: DS-HT5-6378USNGLK-6378USN-2832-742
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Left Hand, Cordura, Ranger Green, 6378USN-2832-732-MS19 , MPN: 1161486 , UPC: 781602567169 , Code: DS-HT5-6378USNGLK-6378USN-2832-732-MS19
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32, Right Hand, Cordura Multi-Cam, 6378USN-283-701-MS19 , MPN: 1158976 , UPC: 781602555722 , Code: DS-HT5-6378USNGLK-6378USN-283-701-MS19
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Right Hand, Cordura, Ranger Green, 6378USN-2832-731-MS19 , MPN: 1161484 , UPC: 781602567091 , Code: DS-HT5-6378USNGLK-6378USN-2832-731-MS19
  • Safariland Model 6378usn Als Low Signature Holster For Glock 19, Coyote Tan - 1159477 , MPN: 1159477 , UPC: 781602558020 , Code: DS-HT5-6378USNGLK-6378USN-283-741-MS19
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32, Right Hand, Cordura Ranger Green, 6378USN-283-731-MS19 , MPN: 1160733 , UPC: 781602563895 , Code: DS-HT5-6378USNGLK-6378USN-283-731-MS19
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32 w/ITI M3 Light, Left Hand, Cordura Multi-Cam, 6378USN-2832-702-MS19 , MPN: 1160814 , UPC: 781602564205 , Code: DS-HT5-6378USNGLK-6378USN-2832-702-MS19
  • Safariland Model 6378usn Als Low Signature Holster For Glock 19 W/ Light, Multi Cam - 1159996 , MPN: 1159996 , UPC: 781602560412 , Code: DS-HT5-6378USNGLK-6378USN-2832-701-MS19
  • Safariland Model 6378usn Als Low Signature Holster For Glock 19 W/ Light, Coyote Tan - 1160698 , MPN: 1160698 , UPC: 781602564045 , Code: DS-HT5-6378USNGLK-6378USN-2832-741-MS19
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32, Left Hand, Cordura Multi-Cam, 6378USN-283-702-MS19 , MPN: 1158977 , UPC: 781602555739 , Code: DS-HT5-6378USNGLK-6378USN-283-702-MS19
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32 w/ITI M3 Light, Right Hand, Cordura Ranger Green, 6378USN-2832-731-MS19-AG , MPN: 1169686 , UPC: 781602603706 , Code: DS-HT5-6378USNGLK-6378USN-2832-731-MS19-AG
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32 w/ITI M3 Light, Right Hand, Cordura Multi-Cam, 6378USN-2832-701-MS19-AG , MPN: 1161316 , UPC: 781602566605 , Code: DS-HT5-6378USNGLK-6378USN-2832-701-MS19-AG
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32 w/ITI M3 Light, Right Hand, Cordura Multi-Cam, 6378USN-2832-701-MS30 , MPN: 1169382 , UPC: 781602602136 , Code: DS-HT5-6378USNGLK-6378USN-2832-701-MS30
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32, Right Hand, Cordura Multi-Cam, 6378USN-283-701-MS30 , MPN: 1168074 , UPC: 781602595940 , Code: DS-HT5-6378USNGLK-6378USN-283-701-MS30

Safariland Model 6378USN ALS Low Signature Glock Holster Unavailable & Discontinued Models

List of Unorderable Models

  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32, Right Hand, Cordura Multi-Cam, 6378USN-283-701-MS19-AG , MPN: 6378USN-283-701-MS19-AG , UPC: 781602555760 , Code: DS-HT5-6378USNGLK-6378USN-283-701-MS19-AG
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Right Hand, Cordura, Khaki, 6378USN-283-751 , MPN: 1160120 , UPC: 781602560900 , Code: DS-HT5-6378USNGLK-6378USN-283-751
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32, Left Hand, Cordura Coyote Tan, 6378USN-283-742-MS19 , MPN: 1162351 , UPC: 781602571654 , Code: DS-HT5-6378USNGLK-6378USN-283-742-MS19
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Left Hand, Cordura, Khaki, 6378USN-283-752-MS19 , MPN: 1161674 , UPC: 781602567763 , Code: DS-HT5-6378USNGLK-6378USN-283-752-MS19
  • Safariland Model 6378usn Als Low Signature Holster For Glock 19 W/ Light, Khaki - 1163967 , MPN: 1163967 , UPC: 781602578714 , Code: DS-HT5-6378USNGLK-6378USN-2832-751-MS19
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32 w/ITI M3 Light, Left Hand, Cordura Coyote Tan, 6378USN-2832-742-MS19 , MPN: 1162463 , UPC: 781602572224 , Code: DS-HT5-6378USNGLK-6378USN-2832-742-MS19
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Left Hand, Cordura, Khaki, 6378USN-2832-752-MS19 , MPN: 1163968 , UPC: 781602578721 , Code: DS-HT5-6378USNGLK-6378USN-2832-752-MS19
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32, Left Hand, Cordura Multi-Cam, 6378USN-283-702-MS19-AG , MPN: 1158981 , UPC: 781602555777 , Code: DS-HT5-6378USNGLK-6378USN-283-702-MS19-AG
  • Safariland Model 6378USN ALS Low Signature Glock Holster, Glock 19/Glock 23/Glock 32, Left Hand, Cordura, Ranger Green, 6378USN-2832-732-MS19-AG , MPN: 1169798 , UPC: 781602604093 , Code: DS-HT5-6378USNGLK-6378USN-2832-732MS19AG
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32, Left Hand, Cordura Multi-Cam, 6378USN-283-702-MS30 , MPN: 1168075 , UPC: 781602595957 , Code: DS-HT5-6378USNGLK-6378USN-283-702-MS30
  • Safariland Model 6378USN ALS Low Signature Holster, Glock 19/23/32, Right Hand, Cordura Coyote Tan, 6378USN-283-741-MS30-AG , MPN: 1167229 , UPC: 781602592116 , Code: DS-HT5-6378USNGLK-6378USN-283-741-MS30-AG
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