Shop › AGENCY 419 SINGLE COMP FOR P320 BLK AGENCY 419 SINGLE COMP FOR P320 BLK $108.00 Agency Arms 419 Compensator, Single Port, For Sig P320, Standard 1/2x28 Thread Pitch, Matte Finish, Black 419S-BLK Quantity: Add To Cart Added! Agency Arms 419 Compensator, Single Port, For Sig P320, Standard 1/2x28 Thread Pitch, Matte Finish, Black 419S-BLK