PG4030103MOS Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKGlock G40 Gen4 MOS 10mm, 6″ Barrel, Adjustable Sights, Modular Optic System, 15rd Mag $700.00 Original price was: $700.00.$441.00Current price is: $441.00. Add to cart