This Mobil choke-set from Billman chokes allows fine tuning of The shotgun performance in detail. In combination with the right ammunition it provide optimization of performance for skeet dray, clay. If fits all shotguns made for Beretta Mobil system (about 30 different brands use this system):

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 wants single/spare choke(s) contact us directly.
 
This choke set is open for counter offers.
 
Chokes are Under/Over and Side-by-Side friendly 
(chokes on pics below is for illustration on Side-by-side friendliness, not actually sold)
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  1. Fits Berett/Benell. Mobil 12 Gauge choke Systems (about 30 other shotgun models and almost all Turkish made shotguns use the Mobil system from Beretta)
  2. 1-5 (open to full as below)
  3. Constriction: standard (CYLINDER, IMPROVED CYLINDER, MODIFIED, IMPROVED MODIFIED and FULL).
  4. Made from heat-treated ordnance steel with a corrosion protection.
  5. Lifetime Warranty (limitations apply),
  6. Choke wrench (not needed for extended),
  7. Barrel: 12 Ga,
  8. Barrel muzzle/end screw in,
  9. Choke end: smooth end with key/wrench tags (choke keys not necessary)
  10. Ports: Yeas
  11. Extended: yeas
 
Constrictions/inner caliber in inch diameter:
  1. C Cylinder .723
  2. IC Improved Cylinder .715
  3. M Modified .703
  4. IM Improved Modified .695
  5. Full / .685
 
Common question about steel shots/pellets.
 
The chokes are approved for steel shots (limitation apply).
 
The chocks are made of variants of Chrome-chrome alloy steel and this model have corrosion protective layer.. and have a straig conucla desgn that is good for hunting and long range clay sport.
 
 
Shipping:  
We ship via FedEx with tracking.  
We combine shipping.
 
TAX and duties.
We pays import ax for customers based in USA. We ship with low value to Canada.
 
Payment:  
We accept PayPal as payment.
 
Contact:  
Email: please use the eBay CONTACT SELLER link.  We answer all questions within one business day.