MKE AP5-M 9mm Parts Kit with 4.5" Barrel Grey Storm
The AP5 or Apparatus Pistol, is a roller delayed blowback firearm based and built off of the original and historic design from the 1970s. The roller-lock platform has been widely respected as the preeminent design for over 50 years. Adopted for use across the globe, no other firearm of its type has been more successful.