I do not understand English.
This sentence is written by machine translation.

This mod contains 13 animated rifle & 2 Aetherium bullet & 2 Grenade bullet & 2 bullet & 1 BEAM bullet & 1 fire bullet

Dawnguard Required.
SKSE Required. http://skse.silverlock.org/

Recommend
TK Recoil http://www.nexusmods.com/skyrim/mods/32769/?


You do the console command "help rifle" and get it.
Made craftable
13 rifle Dwaven category Requires.
Dwarven rifle Sp assault        Manual trigger. 30 magazine. reload time 2
Dwarven rifle Sp gatling        Automatic trigger. 200 magazine. reload time 5
Dwarven rifle Sp marksman       three round burst
Dwarven rifle Sp Aetherium      Manual trigger. 2 magazine. reload time 5
Dwarven rifle Sp Accelerator    Energy Accelerator bow
Dwarven rifle Sp PDW            Automatic trigger. 20 magazine. reload time 1
Dwarven rifle Sp Grenade
Dwarven rifle Sp Aetherium 2    Manual trigger. 100 magazine. reload time 10
Dwarven rifle Sp sniper         Manual trigger. 1 shot. reload time 2
Dwarven rifle Sp Bullpup        Automatic trigger. 45 magazine. reload time 2.5
Dwarven rifle Sp BEAM           Automatic trigger. 100 Irradiation. reload time 8
Dwarven rifle Sp flamethrower   Automatic trigger. 50 Irradiation. reload time 3
Dwarven rifle Sp sniper 2       Manual trigger. 5 shot. reload time 3 

"help bullet" and get it.
2 bullet Dwaven category Requires. for all Dwarven rifle Sp.
normal bullet
sniper bullet
1 bullet Dwaven category Requires. for Dwarven rifle Sp Aetherium.
Aetherium bullet
1 bullet Dwaven category Requires. for Dwarven rifle Sp BEAM.
BEAM bullet
1 bullet Dwaven category Requires. for Dwarven rifle Sp flamethrower.
fire bullet
2 bullet Dwaven category Requires. for Dwarven rifle Sp Grenade.
Grenade bullet
Shot lance  "help lance"
1 bullet Dwaven category Requires. for Dwarven rifle Sp Accelerator.
Aetherium arrow   "help arrow"

Enjoy!


Credits
mahty made this mod.
Automatic mechanism is using j3x . ~1.6
New Scripts gunsmithsystem. Create by towawot. 1.7~

Special Thanks
meshes improvements tktk

Update
1.0
upload 
1.1
marksman little fix
improved@bullet projectile
1.2
little fix&Improvement
assault marksman
more sexy Design&animation
add 1 new model
Accelerator
1.3
assault gatling marksman Accelerator
more sexy Design&animation
add 2 new model
PDW
Grenade & Grenade bullet
1.4
add 1 new model
Aetherium 2
1.5
add 2 new bullet
normal bullet
SHOT lance   for Grenade
1.6
improved Bullet near crosshair.
add 1 new model
sniper
add 1 new bullet
sniper bullet
1.7
Scripts renewal
gunsmithsystem. Create by towawot.
No reload animation! Can aiming!
manual trigger and auto trigger! woo!
1.71
Scripts little fix. CTD Possibility improvements.
1.72
right unarmed attack CTD fix.
1.73
more fit Ultimate Combat 2.51
More wonderful gun sound
1.8
meshes file Optimization xxxKB
add 1 new model
Bullpup
1.9
add 1 new model
BEAM
add 1 new bullet
BEAM bullet
2.0
add 1 new model
flamethrower
add 1 new bullet
fire bullet
2.1
modified the papyrus script for warning message.
2.2
add 1 new model
Dwarven rifle Sp sniper 2
This is Gun barrel extends