Keep you head up! 
At least you have much more knowledge than most people like me with a poor programming knowledge.
No matter if this feedback was a short thing. Take this little feedback then adjust your project within this little thing as a very usefull framework well documented, very organized and commented, that you will be very successful!
Why has not exixte any framework, or other thing for functional weapons in marketplace except Realistic Blueprint Weapons, but I do not know if it is able to be used as other weapon types in addition to Assault, Sniper and Bow and Equip Weapon System is melee combat only.