Favored Basic Weapons

Lascarbine
M36 Lasgun
Laslock
Long-las
Triplex-pattern Lasgun
Bullpup Lasgun
Hot-shot Lasgun
Sniper Rifle
Autogun
Shotgun (Pump)
Shotgun
Combat Shotgun
Boltgun
Meltagun
Plasma Gun
Flamer
Flintlock Musket
Bow
Sling
Crossbow
Grenade Launcher

Favored Heavy Weapons

Man-Portable Lascannon
M41 Multilaser
Heavy Stubber
Ripper Gun
M34 Autocannon
Heavy Bolter
Heavy Flamer
Mortar

Hmm. If you made a Schola Progenium regiment and gave them Bolters and Heavy Flamers, you'll have made a Sisters regiment. Doing something similar with Hot-shot Lasguns and Heavy Bolters and you've got Kasrkin.