With standard chokes, Full Choke is the tightest. However, there are non-standard chokes for SOME shotguns (used by turkey hunters) that are Extra Full Choke.
The correct answer is Super full.
With standard chokes, Full Choke is the tightest. However, there are non-standard chokes for SOME shotguns (used by turkey hunters) that are Extra Full Choke.
Amount of muzzle constriction
Cylinder bore- which is no constriction at all.
If you mean a choke bored barrel, it designates the amount of constriction a shotgun barrel has.
Refers to the amount of constriction at the muzzle.
http://www.guncustomizing.com/tech.htm#chokes There is no "conversion". The choke constriction is the choke constricition. What its called varies.
Best guess: You have a shotgun manufactured in Croatia. "Pun" means "Full" in Croatian. "Pola" means "Half". You would have something like 70% constriction in the Pun barrel and 55 to 60% constriction in the Pola barrel.
Full
An unchoked barrel, also known as a cylinder choke, is a barrel that has no constriction at the end. The bore is a constant size throughout its length.
The TIGHTEST choke (which is smallest) is the Extra Full. The largest (no choke at all) is known as a cylinder bore.
Mainly the degree of choke, or constriction at the muzzle. a skeet choke is the smallest degree of constriction next to no choke at all (cylinder bore). Hunting shotguns may be full choke, modified, or some other combination. The greater the degree of constriction, the greater percentage of pellets kept in a small circle. Cylinder.000 in40%Skeet.005 in53%Improved Cylinder.010 in57%Modified.020 in67%Improved Modified.030 in73%Full choke.040 in75%