Herrington HC9XL 3.0 Glock 19/17/26 Compensator - BLACKHerrington HC9XL 3. 0 Glock 19 17 26 Compensator BLACK The HC9XL 3. 0 compensator has been designed to work well with Glock models 19, 17, and 26 as long as they are gen 4 or 5. It will fit all 1 2 28 barrels. The 3. 0 has been carefully constructed, keeping in mind end user feedback. It was created to ensure that it's the best Glock compensator in the market, and it incorporates all the elements required by professional and recreational shooters