Trijicon HD (Part#: GL101Y-RY) - Amazon link/description: Used for about 5-6 years, been sitting in a box for about a year, photo is old, if you want photos email me vdm@vdmsr.com.

Price: $60 SHIPPED via USPS in CONUS - PP as gift preferred or regular (discreet) with you covering fees.

http://i.imgur.com/ECyOOR1.png

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Barsto Glock 19 Standard Barrel - Used for about 3 years, was installed by a gunsmith into a GEN3 Glock 19, but may fit a GEN4, I don't know I have never tried. Probably won't fit a GEN5, don't know about GEN1/2. Barrel is used, but very, very accurate, if you want more photos email me vdm@vdmsr.com.

Price: $155 SHIPPED via USPS in CONUS - PP as gift preferred or regular (discreet) with you covering fees.

https://i.imgur.com/0XoMywS.jpg
https://i.imgur.com/wqwZVQK.jpg
https://i.imgur.com/0b17Wtj.jpg
https://i.imgur.com/N1JdImd.jpg
https://i.imgur.com/TfU24kz.jpg
https://i.imgur.com/gucS0WV.jpg

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S3F Black Nitride Threaded Glock 19 Barrel Drop-in - Used for about 3 years, few thousand rounds through it, barrel really likes cheap, lower grain ammo, doesn't do well with 147gr or other heavier ammos (really doesn't group 158gr suppressed), if you want more photos email me vdm@vdmsr.com.

Price: $125 SHIPPED via USPS in CONUS - PP as gift preferred or regular (discreet) with you covering fees.

https://i.imgur.com/VnutVn9.jpg
https://i.imgur.com/EiZFffO.jpg
https://i.imgur.com/7xOtou0.jpg
https://i.imgur.com/tVSNuGq.jpg