The package includes: G4 SlideComp, Installation set screws (4 side), M4 installation set screws (2 bottom), 2mm Allen wrench, and Glock Gen 3 full size guide rod assembly. Choose a Glock 17 barrel with compensator already installed, or single port or dual port comps in Black, Gold, or Gray, and Burnt Bronze or Tungsten Cerakote, all for an affordable price. One idea I had would be to alter their design so that the compensator does not need a threaded barrel. ZEV Tech Pro One Piece Glock Magwell for Gen 5 Glock. All kinds of errors in this one. When you equip your Glock with the SI G4 SlideComp, you'll notice a reduced muzzle rise along with less perceived recoil. In terms of price, the GGP is pretty reasonable and isn’t that expensive when compared to some of the best aftermarket Glock barrels. A selection of the best aftermarket Glock barrel manufacturers currently out there… The upgrades refreshed my Gen 4 Glock 17’s performance and feel.
