Skip to content
firearmlab.
Firearm modelsModels
1,027
PartsParts
5,395
FitmentsFits
121,240
Contribute

Agency Arms

417 Compensator Gen 4 Compatible

Find your model and explore the details.

Buying options ↓

Find your model

Choose a model for compatibility details and member reports.

7 model listings

  • GLOCK 19 Gen 4Manufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. REQUIRED BARREL PROTRUSION 0.695" ±0.005". Note the host list is NARROWER than the Gen 5 comp — no 19X, no 45 — so this is not merely a generation label on the same part. Same barrel-brand exclusions (conversion, AlphaWolf, SilencerCo, Fortis, Faxon, OEM threaded). "Compensator may require tuning of the recoil system."
  • GLOCK 34 Gen 4 MOSManufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. REQUIRED BARREL PROTRUSION 0.695" ±0.005". Note the host list is NARROWER than the Gen 5 comp — no 19X, no 45 — so this is not merely a generation label on the same part. Same barrel-brand exclusions (conversion, AlphaWolf, SilencerCo, Fortis, Faxon, OEM threaded). "Compensator may require tuning of the recoil system."
  • GLOCK 19 Gen 4 MOSManufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. REQUIRED BARREL PROTRUSION 0.695" ±0.005". Note the host list is NARROWER than the Gen 5 comp — no 19X, no 45 — so this is not merely a generation label on the same part. Same barrel-brand exclusions (conversion, AlphaWolf, SilencerCo, Fortis, Faxon, OEM threaded). "Compensator may require tuning of the recoil system."
  • GLOCK 17 Gen 4 MOSManufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. REQUIRED BARREL PROTRUSION 0.695" ±0.005". Note the host list is NARROWER than the Gen 5 comp — no 19X, no 45 — so this is not merely a generation label on the same part. Same barrel-brand exclusions (conversion, AlphaWolf, SilencerCo, Fortis, Faxon, OEM threaded). "Compensator may require tuning of the recoil system."
  • GLOCK 34 Gen 4Manufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. REQUIRED BARREL PROTRUSION 0.695" ±0.005". Note the host list is NARROWER than the Gen 5 comp — no 19X, no 45 — so this is not merely a generation label on the same part. Same barrel-brand exclusions (conversion, AlphaWolf, SilencerCo, Fortis, Faxon, OEM threaded). "Compensator may require tuning of the recoil system."
  • GLOCK 19 Gen 1-4Manufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. REQUIRED BARREL PROTRUSION 0.695" ±0.005". Note the host list is NARROWER than the Gen 5 comp — no 19X, no 45 — so this is not merely a generation label on the same part. Same barrel-brand exclusions (conversion, AlphaWolf, SilencerCo, Fortis, Faxon, OEM threaded). "Compensator may require tuning of the recoil system."
  • GLOCK 17 Gen 4Manufacturer documentedRequires a THREADED BARREL in 1/2x28. Most of these pistols do not ship with one — check your barrel before buying. REQUIRED BARREL PROTRUSION 0.695" ±0.005". Note the host list is NARROWER than the Gen 5 comp — no 19X, no 45 — so this is not merely a generation label on the same part. Same barrel-brand exclusions (conversion, AlphaWolf, SilencerCo, Fortis, Faxon, OEM threaded). "Compensator may require tuning of the recoil system."

Check your exact model and part before ordering. Fitment limits