How to Run a TLR7 on a Glock 48 MOS

Published on September 28, 2020
Duration: 11:05

This guide details how to adapt a Streamlight TLR-7 weapon light to a Glock 48 MOS, which features a proprietary accessory rail. Due to incompatible mounting keys, custom 3D-printed adapters are required to ensure proper fit and function. The process involves prototyping, testing, and confirming reliability at the range, highlighting a common challenge with micro-compact pistol accessory integration.

Quick Summary

Adapting a Streamlight TLR-7 to a Glock 48 MOS requires custom 3D-printed mounting keys because the pistol's proprietary rail is narrower than standard mounts. This modification ensures proper alignment and function, though potential rail flex under recoil should be considered.

Chapters

  1. 00:00Intro: Glock 43X/48 MOS Proprietary Rails
  2. 00:51Glock Slimline Evolution: G42 to G48
  3. 01:53Glock Rail Width Differences (G19 vs G48)
  4. 02:18Micro Light Options: TLR-6 & Surefire XSC
  5. 03:18Adapting Streamlight TLR-7 with Custom Keys
  6. 05:41Range Testing: TLR-7 on G48 MOS & Rail Flex
  7. 07:56Holster Fit & Final Thoughts on TLR-7 vs XSC

Frequently Asked Questions

Why doesn't a standard Streamlight TLR-7 fit the Glock 48 MOS?

The Glock 48 MOS features a proprietary accessory rail that is narrower than standard Picatinny rails. This difference in width prevents the standard mounting keys included with the TLR-7 from aligning correctly, requiring custom adapters for a secure and functional fit.

What are the options for weapon lights on a Glock 48 MOS?

While standard lights don't fit, options include the Streamlight TLR-6 (though considered less robust), the Surefire XSC (a premium micro-compact option), or adapting lights like the TLR-7 using custom 3D-printed mounting keys, as demonstrated by T.REX ARMS.

How can I mount a Streamlight TLR-7 on a Glock 48 MOS?

Mounting a TLR-7 on a Glock 48 MOS requires custom 3D-printed mounting keys. These keys are designed to bridge the gap on the proprietary rail, center the light, and ensure the switches align properly with the trigger guard for operation.

Are there any drawbacks to adapting a TLR-7 to a Glock 48 MOS?

Yes, adapting a TLR-7 to the Glock 48 MOS can lead to noticeable rail flex under recoil due to the added weight of the light on the narrower proprietary rail. This flex might impact long-term reliability or durability.

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