F Agency Arms Gen3 Compensator 417S-G3-BLK, Features a single top venting port and a front sight hole MAP 417S-G3-BLK - Flat Rate Starting at $11.99 Hinterland Outfitters F Agency 417 Single Port Comp Gen3 Blk 417S-G3-BLK - MAP 417S-G3-BLK - Firearms $18.45, Free over $500 Shooting Surplus F Agency Arms 417 Single Port Compensator, Glock 17/19/34 Gen3, Black, 417S-G3-BLK $100.00 417SG3BLK - Free Shipping on most orders over $49 Optics Planet F Agency Arms 417 Single Port Compensator, Glock 17/19/34 Gen3, Black, 417S-G3-BLK $100.00 417SG3BLK - Dvor F Agency Arms 417s Single Port Compensator - 417s Single Port Comp For Glock® Gen 3, Blk, 9mm $100.00 417S-G3-BLK - $12.50 Brownells F Agency Arms 417 Single Port Compensator for Glock 17, 19, 34 Gen 3 9mm 1/2-28 Thread Aluminum - 676053" $107.72 417S-G3-BLK - 5.00 MidwayUSA F Agency 417 Single Port Comp Gen3 Blk $108.00 417S-G3-BLK - $24.99 Handguns / $39.99 Long Guns Firearms Depot F Agency Arms 417 Single Port Compensator for Glock 17/19/34 Gen3 - Black $110.00 AGE417S-G3-BLK show more like this Calculated in Cart Primary Arms