The AmeriGlo Sights : Gen4 Model 19 with specially designed and value priced, AmeriGlo sight set. The rear is machined from bar-stock alloy steel, Nitrided and serrated. The rounded “U” shaped notch promotes quick target acquisition. The Green tritium ProGlo front lamp is outlined in bright orange for high visibility in any light. The sights are Glock factory installed. taloinc.com/glock-firearms/gen-4-glo-pro-model-19-17

the biggest thing is its sold through talo distributors and has the Ameriglo night sights specs here The Glock 19 Gen4, in 9x19, introduces revolutionary design changes to the pistol that has found worldwide acclaim with security services both private and public. The modular backstrap design lets the user adapt the grip to hand size, and the frame surface exhibits the scientifically-designed Gen4 rough textured technology. This model features a dual-recoil spring assembly that substantially increases the life of the system, and the enlarged reversible magazine catch easily accommodates left- or right-handed operators. The Generation 4 frame retains the Glock accessory rail for accessory attachment. FAMILY:G19 Series MODEL:G19 G4 TYPE:Semi-Auto Pistol ACTION:Safe Action FINISH:Gas Nitride STOCK/FRAME:Polymer Frame STOCK/GRIPS:Black Polymer WEIGHT:24 oz. CALIBER/GAUGE:9mm CAPACITY:15+1 # OF MAGS:3 MAGAZINE DESC:15 rd. BARREL:4" SIGHTS:Ameriglo Front Night Sight SAFETY:3 Safeties ADDL INFO:Made in the United States ADDL INFO:Interchangeable Backstrap GUN CASE:Plastic EXCLUSIVE:TALO EXCLUSIVE

Yes the sights and it is exclusive through Talo.

the biggest thing is its sold through talo distributors and has the Ameriglo night sights specs here The Glock 19 Gen4, in 9x19, introduces revolutionary design changes to the pistol that has found worldwide acclaim with security services both private and public. The modular backstrap design lets the user adapt the grip to hand size, and the frame surface exhibits the scientifically-designed Gen4 rough textured technology. This model features a dual-recoil spring assembly that substantially increases the life of the system, and the enlarged reversible magazine catch easily accommodates left- or right-handed operators. The Generation 4 frame retains the Glock accessory rail for accessory attachment.
FAMILY:G19 Series
MODEL:G19 G4
TYPE:Semi-Auto Pistol
ACTION:Safe Action
FINISH:Gas Nitride
STOCK/FRAME:Polymer Frame
STOCK/GRIPS:Black Polymer
WEIGHT:24 oz.
CALIBER/GAUGE:9mm
CAPACITY:15+1
# OF MAGS:3
MAGAZINE DESC:15 rd.
BARREL:4"

SIGHTS:Ameriglo Front Night Sight
SAFETY:3 Safeties
ADDL INFO:Made in the United States
ADDL INFO:Interchangeable Backstrap
GUN CASE:Plastic
EXCLUSIVE:TALO EXCLUSIVE