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
To determine the choke of a Springfield Model 67 shotgun, you can measure the constriction of the barrel at the muzzle. This is done using a choke gauge or calipers to measure the inside diameter of the barrel at the muzzle and comparing it to the diameter further back. Standard chokes include cylinder, improved cylinder, modified, improved modified, and full, each corresponding to specific constriction measurements. Additionally, you can test the patterning by firing the shotgun at a target and assessing the spread of shot to gauge the choke's effectiveness.
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.