Semi;
When you say single shot cartridge rifle do you mean BPCR or modern rifle?
Zeek, the rules published by LA Wildlife & Fisheries are as follows.
Single Shot Breechloading Rifles which are NOT Primitive Weapons:
- Ruger Number 1 and Number 3 (no exposed hammer)
- Thompson Center Contender or Encore Carbines (designed after 1900)
- Mossberg SSi Single Shot Rifle (no exposed hammer and designed after 1900)
Single Shot Breechloading Rifles which are Primitive Weapons:
- Sharps rifles or replicas
- Remington Rollingblock rifles or replicas
- Ballard rifles
- Maynard rifles or carbines
- Burnside carbines
- Frank Wesson rifles
- Farrow rifles
- Remington Hepburn rifles
- M1873 – 1888 Springfield (Trapdoor) Rifles and Carbines and replicas
- Snider (British) rifles or replicas
- Wesson & Harrington 1871 Rifles
- New England Firearms or Harrington & Richardson Handi Rifles in caliber .38 or larger
- Winchester M1885 Hi Wall or Lo Wall rifles or replicas (Also Browning B78 or 1885) .38 or larger
- Knight KP-1 in caliber .38 or larger
- CVA Optima Elite in caliber .38 or larger
- Traditions Pursuit break-open single shot in .38 caliber or larger
I would guess that 80/90% of the hunters out during our "primitive season" are using NEF or H&R single shots in 45-70 or 444 Marlin.