my 6 day barbell dumbbell high intensity workout

by i once was a skinny guy
(lincoln ri usa)

While taking weight gainer (npx stealth 4 scoops a day) preworkout (noshotgun 1 scoop 20 mins before) and 2 protein shakes (musclemilk) I went from 156-158 to over 170 in 4 weeks using a six day high intensity work out.

Day 1
Chest
Barbell flat bench 5 sets. 1 warm up for 15 reps than 8,8,6,rest 30 secs than 12reps
Flat flys 3 sets 15,15,12
Incline dumbell bench 4 sets 12,8,6,8
Incline flys 3 sets 15,15,12

Back
Bent-over rows 5 sets 15,8,8,6,12
One arm dumbbell rows 3 sets 12,12,10
Deadlifts 4 sets 12,8,8,6
Shrugs all heavy 4 sets between 4-8

Arms
Barbell curls 4 sets 12,i8,8,6
3 part curls 3 sets 7 neg,7pos,7 full per set
Hammer curls 4 sets 12,8,8,6
Close grip bench 4 sets 12,8,8,6
One arm extensions 3 sets 12-15
Kickbacks super set bench dips 3 sets 10-15

Legs
Dumbbell squats 5 sets 15,12,8,8,6
Deadlifts 3 sets 15,12,10
Leg extensions 4 sets 12,10,8,6
Calf raises 4 sets 12,8,8,6

Shoulders
Arnold presses 5 sets 15,8,8,6,12
Lateral raises 3 sets 15 12 12
Front raises 3 sets 15 12 12
Upright rows 4 sets 12 8 8 6 last set rest pause 10 secs

Add in abs and forearms to suit you I do one upper lower and oblique exercise every other day and one forearm exercise in between.