Threaded Barrel Stop for Safariland Holsters

Compatibility: Confirmed to be compatible:  Threaded Barrel Model Holster Glock 19 Gen4 / Gen5 OEM 6390RDS Grey Ghost Sig P320 6360RDS True Precision Threaded Barrel 6360RDS Glock 19 or 45 OEM 6354DO S&W M&P9 M2.0 Metal 6360RDS  This barrel stop also lets you use a long slide gun (i.e. Glock 34) in a holster designed for a regular slide gun (i.e. Glock 17). Below is a table of some examples: Holster Designed For Will Fit With This Barrel Stop Glock 17 /  22 Glock 34 / 35 S&W M&P 4.25" S&W M&P 5" If your setup is not in the tables above follow these steps to check compatibility: 1) Make sure your holster has the following pin configuration on the side of the holster that faces your body. If it doesn't, this barrel stop is not compatible. 2) Measure the difference in length between the stock barrel and the threaded barrel as shown in the following pictures: 3) Measure the height of the stock barrel stop that comes with you