Check the listing for details. FOR GLOCK 19 EXTENDED Slide Lock and Slide Lock Spring Gen 1-4 Glock 19 G19. Color: Black, Condition: New. Listed at 12.89 USD. US Made EXTENDED Slide Lock FOR MAX GRIP. AND SPRINGThis part is 4140 steel construction and has a standard fitment with Glock Gen 1-4 builds, as well as the standard Polymer80 models to include PF940SC, PF940C, PF940v2.Steel ConstructionBlack Nitride CoatedDirect Replacement Part for Glock #SP00301 and SP02317.Made in the USASlide Lock STAINLESS STEEL Spring For Glock 19 Gen 1-4PARTS ARE CHECK FOR CONTENT AND CONDITION 3 TIMES!!!IF YOU LOOSE A PART OR BRAKE ONE LET ME KNOW!NOT RESPONSIBLE FOR THE USPS! I PAY THEM TO DELIVER AND HAVE NO CONTROL OVER THEIR OPPERATION! IF THERE IS A SHIPPING DELAY IT'S BECAUSE OF SOMETHING THE USPS IS DOING WRONG NOT ME!STORE HOURS 5:00AM TO 8:00AM MOUNTAIN TIMESTORE OPEN FROM MONDAY - FRIDAYNO SHIPPING ON WEEKENDS *** NO INTERNATIONAL SHIPPING***