Tested: Glockmeister Custom Glock G40 Gen4 MOS 10 mm Pistol

See how this built-from-scratch dream gun performs at the range.

Review: Glock G40 Gen4 MOS Pistol

Chambered in the potent 10 mm Auto cartridge, this Glock G40 long-slide hunting handgun features Glock’s new modular optics (MOS) system.


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