⚠️IT ONLY FITS 20 Ga. shotguns made for mobil threads. Read in product disclaimer section at the bottom below to find it out.
No steel shot larger than #4 or speeds exceeding 1600 fps should be used in choke tubes tighter than .610 (this set is: .623 / C, .615 / IC, .610 / M, .605 / IM, .600 / F). Do not use solid slugs. Restrictions are mainly in place to protect older shotgun. ⚠️ We recommend that all accessories are installed and checked by a trained, certified gun-smith.
This is a 5 pc choke set. Constriction range: .623 / C, .615 / IC, .610 / M, .605 / IM, .600 / F. Constriction numbers are nominal. Usually chokes come +.002" /-.002" large/smaller than listed and expands the first 25 shots towards the given constriction.
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. Fix any loose ring with thread glue.
Description
This 20 Ga. Billman extended mobil style threads choke tube 5-set 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 allow steel shoots charges (pellets) to allow a better pattern on long range targets. Search for *CHOKE INTERCHANGE LIST* on the internet to find thread and system information..