semi auto handguns,Glock,PG3430101MOS,9mm View cart “Glock G34 Gen4 MOS 9mm 5.3″ Barrel, Adjustable Sights, 10 Rd Mag, Modular Optic System” has been added to your cart. 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 G34 Gen4 MOS 9mm 5.3″ Barrel, Adjustable Sights, 10 Rd Mag, Modular Optic System $666.00 Original price was: $666.00.$599.40Current price is: $599.40. Add to cart