How to Run a TLR7 on a Glock 48 MOS

Published on September 28, 2020
Duration: 11:05

This guide details how to adapt the popular Streamlight TLR-7 weapon light to a Glock 48 MOS pistol, which features a proprietary rail system. Due to incompatible mounting keys, custom 3D-printed keys are required to ensure proper fit and function. The video demonstrates the process and discusses the necessity of such modifications for users wanting to utilize specific accessories on firearms with non-standard rails. Expert instruction highlights the importance of precise fitting for reliable performance.

Quick Summary

Adapting a Streamlight TLR-7 to a Glock 48 MOS requires custom 3D-printed mounting keys due to the pistol's proprietary rail system. The G48 MOS has a narrower rail than standard Picatinny rails, preventing direct fitment. Custom keys ensure proper centering and switch alignment, though rail flex under recoil is a consideration.

Chapters

  1. 00:00Introduction to Glock MOS Rails
  2. 00:51Glock Slimline Evolution
  3. 01:53Rail Width Discrepancies
  4. 02:18Micro Light Options
  5. 03:18Adapting the TLR-7
  6. 05:41Range Testing & Rail Flex
  7. 07:56Holster Fit & Conclusion

Frequently Asked Questions

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

Mounting a Streamlight TLR-7 on a Glock 48 MOS requires custom 3D-printed mounting keys. The pistol's proprietary rail is narrower than standard rails, preventing direct fitment of the TLR-7's standard keys. These custom keys center the light and align its switches correctly.

What are the key differences between Glock 48 MOS and Glock 19 rails?

The Glock 48 MOS features a slimmer profile with a 0.85" slide width and a 0.75" rail width. In contrast, the Glock 19 has a wider 1.00" slide width and a 0.83" rail width, allowing for standard accessory compatibility.

Why can't I just use a standard TLR-7 key on a Glock 48 MOS?

Standard TLR-7 keys are designed for Picatinny or Glock universal rails, which have different dimensions than the proprietary rail on the Glock 48 MOS. The rail on the G48 MOS is narrower, and the key slot positioning differs, necessitating a custom-fit key for proper alignment and secure attachment.

What are the potential issues with mounting lights on Glock slimline pistols?

Mounting heavier lights on the proprietary rails of Glock slimline pistols like the G48 MOS can lead to noticeable rail flex under recoil. This may impact long-term durability and reliability, suggesting that lighter, purpose-built lights might be a better option.

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