Vent holes were changed, added the correct connector for the front barrel with screws and washers, also changed the rear and front barrels to 1 inch rather than the 3/4 ones provided with kit. Changed the gun grips and gun ears from kit to fit larger gun barrels. Required a lot of modifying to become more film accurate as original kit did not provide correct sizes of parts. Still not 100 percent but much closer than before.
