Upper Parts Kit for Glock

Upper Parts Kit (UPK) for Glock 19 - Gen 5

This kit is ideal for completing your custom slide. All parts are sourced from a U.S. manufacturer and are machined with the highest precision according to the original specifications. These parts are specifically designed for Gen 5 and are not compatible with other generations.

Included parts:

Firing pin spring

Firing pin spacer

Spring caps (2-pack)

Firing pin retainer (nitrided)

Firing pin safety spring

Extractor pin (nitrided)

Extractor pin spring

Spring-loaded bearing

Firing pin channel liner

Extractor

Bolt Cover Plate

Return spring assembly (guide rod)