What guns use Beretta Mobil chokes?
At this time, the Mobile-Choke was the only choke tube system adapted by Beretta to 12, 20, 28 and . 410 gauge. The Mobil-Choke system continues to be the mainstay of the 680 series field grade Over&Under shotguns.
What are the markings on Beretta chokes?
Mobilchoke choke tubes will be marked PB or ST and the degree of choke. If the choke tube is steel shot compatible it will also be marked SP . The start of the threaded portion of the 12 gauge Mobilchoke tube is located a nominal 41.5 mm (1.63 inch) from the breech end of the choke tube.
Can you use Benelli choke in Beretta?
These two chokes have identical outside dimensions, however these chokes are based on two different bore diameters and should not be interchanged.
What chokes come with Beretta A400 Xplor?
New-in-the-box it comes with three Optima-Bore HP choke tubes: cylinder, modified, and full.
What does SP mean on a choke?
May 5, 2022. You may have noticed SP marked on your choke tube and are wondering what it means. SP is a marking on some Benelli and Beretta Mobil chokes that means it’s compatible with steel shot. SP stands for “Steel Proof” and designates that the choke tube is safe for steel shot.
What do the dots on choke tubes mean?
choke tube constriction
The notches indicate the choke tube constriction. A lower notch count means more constriction (tighter). A higher notch count means less constriction. 1 notch = Full. 2 notches = Improved modified.
Which choke is most open?
Cylinder choke
A shotgun barrel with Cylinder choke actually has no constriction at all. Its diameter is the same as the barrel’s internal dimension. This choke throws the widest pattern, so it is considered the most open choke.
What is a Beretta choke tube?
Beretta choke tubes are made for your shotgun. Find a wide range of gauges, choke tube series, and patterns to enhance the performance of your Beretta shotgun. These chokes are ideal for tweaking the constraint of your muzzle and to alter the pattern of your shot to make more accurate shots in the field or on the range.
What is a Beretta mobilchoke?
The Mobilchoke system continues to be the mainstay of the 680 series field grade over and under shotguns and the A300 Outlander semi automatic shotgun. The conical parallel design of the Beretta choke tubes creates a more gradual taper inside the choke tube which gently transitions into a parallel section that runs to the muzzle end of the tube.
When did the Beretta Optima bore come out?
In the year 2000 Beretta introduced the 12-gauge Optima Bore barrel design into some of our competition shotguns. This new barrel utilized a larger internal bore dimension known to some as “back-boring” and required a new choke tube design to give the proper constrictions.