Choke Beretta Benelli extended ported chrome Mobil threads, 12 Ga. 5 x Billman™

Description

12 Ga Skeet/Trap/Extended ported, Mobil Sport Choke for shotguns, 5 x Billman™. Condition is "New". Ships US. Returns accepted if in new condition and with 25% handling fee.
This
12 Ga. Billman
extended
and Ported "Mobil" choke-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.
It fits all
12 Ga.
shotguns made for the
Beretta "Mobil" system
(about 30 different makers and brands use that choke-system).
It does not fit any
other
caliber or choke-system.
Send us a pictures on your old chokes if unsure.
At this price it is less than (this particular advertisement is about a 1-5 choke set and will not be broken up for customer just wanting a single choke). If you unsure if its fits your shotgun please send us a (sharp) picture on you old chokes.
Chokes are Under/Over and Side-by-Side friendly
Fits Beretta/Benelli/CZ/Huglu,
Mobil
12 Gauge choke Systems
(about 30 other shotgun models and almost all Turkish made shotguns use the Mobil system from Beretta)
1-5 (open to full as below)
Constriction: standard (CYLINDER, IMPROVED CYLINDER, MODIFIED, FULL)
Made from heat-treated ordnance steel with a corrosion protection.
Choke key: not included
Barrel: 12 Ga,
Barrel muzzle/end screw in,
Choke end: smooth end with key/wrench sockets (choke keys not necessary)
Ports: Yes (not for ballistic purpose but for speeding up cooling of the barrel).
Extended: yes
Color rings: Yes. Can be removed for cleaning (of fixed with thread glue).
Constrictions/inner caliber in inch diameter:
C
Cylinder .723
IC
Improved Cylinder .715
M
Modified .705
IM
Improved Modified .695
F
Full / .685
Constriction numbers are nominal. Usually chokes comes like +.002"-.002" smaller/larger than listed and expands the first 25 shots the final constriction.
These chokes have a
Straight conical design
to be nicer to soft shot charges (pellets) to allow a better pattern on long range targets...
The chokes are rated for steel shots (limitation apply).
The chocks are made of a variant of Chrome-chrome alloy 4140-steel and this model have corrosion protective layer.