PMM Ultra Compensator for FN 509

5 model listings

• FN 509 FullsizeManufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. HOLSTER CONSTRAINT, in the maker's own emphasis: "This compensator is ***LARGER*** in size in comparison to our single port so if you may need to modify your holster to accept this compensator." Same NOT-compatible list as the Duty 509. Captured design — "even if your comp comes loose it will not come off or impede function."
• FN 509 Compact MRDManufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. HOLSTER CONSTRAINT, in the maker's own emphasis: "This compensator is ***LARGER*** in size in comparison to our single port so if you may need to modify your holster to accept this compensator." Same NOT-compatible list as the Duty 509. Captured design — "even if your comp comes loose it will not come off or impede function."
• FN 509 Midsize MRDManufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. HOLSTER CONSTRAINT, in the maker's own emphasis: "This compensator is ***LARGER*** in size in comparison to our single port so if you may need to modify your holster to accept this compensator." Same NOT-compatible list as the Duty 509. Captured design — "even if your comp comes loose it will not come off or impede function."
• FN 509 Midsize TacticalManufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. HOLSTER CONSTRAINT, in the maker's own emphasis: "This compensator is ***LARGER*** in size in comparison to our single port so if you may need to modify your holster to accept this compensator." Same NOT-compatible list as the Duty 509. Captured design — "even if your comp comes loose it will not come off or impede function."
• FN 509 MidsizeManufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. HOLSTER CONSTRAINT, in the maker's own emphasis: "This compensator is ***LARGER*** in size in comparison to our single port so if you may need to modify your holster to accept this compensator." Same NOT-compatible list as the Duty 509. Captured design — "even if your comp comes loose it will not come off or impede function."