If you go to the UE4_Mannequin_Skeleton and select the P1911 socket and set the location and rotation like the image below.
And then go to the BP_P1911 in the class defaults set the Camera location to like the image below. Note make sure rotation is 0,0 in X,Y,Z
Then in the same blueprint search for spread and make yours match the image below. This is only for people that want to use the default values, if you have already set your own you do not need to copy the image below.