1 notch - 40 thou - Full choke
35 thou - 7/8 choke i.e. Light Full
2 notch - 30 thou - 3/4 choke
25 thou - 5/8
3 notch - 20 thou - 1/2 choke
15 thou - 3/8 choke i.e. Light Modified
4 notch - 10 thou - 1/4 choke
5 thou - 1/8 choke i.e. Skeet
5 notch - 0 thou - Cylinder choke
The Optima-Bore/Optima-Choke system is typically used on competition series semi-automatic such as the AL391 Sport & Teknys Gold plus 680 series over and under shotguns such as the 682 Gold E and a few other models including early 686E Evo and Silver Pigeon 1 Sporters.
This choke features coloured bands to show the user which chokes are installed in their gun.
All orders will be dispatched and delivered to the delivery address as shown in your order confirmation.
For deliveries outside the UK, please contact our dedicated sales team for a delivery quote, either by phone ( 01305 268001 ) or email.
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