CANIK SFX rival with new trigger shoe, new trigger springs new stainless steel guide rod with 13 pound recoil spring. lighter fire pin spring. comes with everything from the factory and two brand new tti  mags were over $100 for 2. paid over 900 for the gun and all upgrades there is nothing left to upgrade on this gun unless you wanna make it heavier,. this gun shoots!!! the trigger is probably somewhere around 3 pounds or less, the gun is less than one month old and only has approximately 150 rounds through it the gun is like new without a scratch.