⚠️IT ONLY FITS 12 Ga. / *18.60* shotguns made for OPTIMA HP threads. Read in product disclaimer section at the bottom below to find it out. It is a Optima HP PORTED. Make sure the shotgun have the *OB HP* marking.
CONSTRICTION RANGE: This is a 5 pc choke set. Constriction Range: .727 .722 .717 .707 .692. Constriction numbers are nominal. Usually chokes come +.002" /-.002" large/smaller than listed and expands the first 25 shots towards the given constriction.
No Steel shot larger than #4 or speeds exceeding 1600 fps should be used in choke tubes tighter than .717 (in this set. .717 .707 .692.). Do not use solid slugs. Speed and size restrictions are mainly there to protect OLDER SHOTGUNS not approved for +++ ammo. Chokes are basically indestructible.
Each choke has the constriction lasered on the head and body for easy reference. No need to unscrew the chokes. This is a Its Amazon Gun Stock Accessory.
✅ All chokes are inspected several times. However, we still recommend that all chokes are inspected and cleaned before use/Installation. Such as sticky glue residue (from label and packing), metal shavings or any other dirt or object you do not like to have on your chokes. Just a damp cloth, no tools.
Description
This 12 Ga. Billman extended and Ported OPTIMA HP style threads Choke Tube 5-set that allows fine tuning of The shotgun performance in detail. In combination with the right ammunition it provide optimization of performance. The constriction range is suitable for FITASC, clay-sport, Skeet and hunting. These chokes have a conical parallel design to allows a harder loads for use on long range targets. Search for *CHOKE INTERCHANGE LIST* on the internet to find thread and system information.