figgy Posted March 11, 2016 Report Share Posted March 11, 2016 If you want a Muller Wildfowl choke NickyT on here and shootclay forum is the uk agent. Nice fella to deal with. For my money I'd get the brierly choke as it's the cheapest and with good recommendations, don't worry about ordering from the states a lot of us on here order from foreign countries all the time. Quote Link to comment Share on other sites More sharing options...
farmboy807 Posted March 11, 2016 Author Report Share Posted March 11, 2016 Hi figgy a look of people have said about the brileys light full I've looked on there web but confused on what ones what for my beretta can someone please put a link to the right one Would be much appreciated Quote Link to comment Share on other sites More sharing options...
farmboy807 Posted March 11, 2016 Author Report Share Posted March 11, 2016 Think I have found stockist in the uk which helps Gun.co.uk Just need to work out if mine is Mobil or optima Quote Link to comment Share on other sites More sharing options...
motty Posted March 11, 2016 Report Share Posted March 11, 2016 Think I have found stockist in the uk which helps Gun.co.uk Just need to work out if mine is Mobil or optima Search the net for images of the chokes. Simple. Quote Link to comment Share on other sites More sharing options...
kent Posted March 12, 2016 Report Share Posted March 12, 2016 Range all by itself wounds no more birds remember that. No you need someone to shoot at them Quote Link to comment Share on other sites More sharing options...
TONY R Posted March 12, 2016 Report Share Posted March 12, 2016 No you need someone to shoot at them You got that part right. Quote Link to comment Share on other sites More sharing options...
farmboy807 Posted March 14, 2016 Author Report Share Posted March 14, 2016 Another question if I may just readying another thread about people saying that aftermarket don't make much difference Pattern testing so do you make a 30" circle and aim at the centre at the range you would shoot at Also my factory's chokes that came with my al391 All have SP on them which is steel proof But they recommend only 1/2 Put as its steel proofed could I test the 3/4 or even full and see the results with my gambore mammoths 36g 1 and 3s Or is that a bad idea Quote Link to comment Share on other sites More sharing options...
fenboy Posted March 14, 2016 Report Share Posted March 14, 2016 Another question if I may just readying another thread about people saying that aftermarket don't make much difference Pattern testing so do you make a 30" circle and aim at the centre at the range you would shoot at Also my factory's chokes that came with my al391 All have SP on them which is steel proof But they recommend only 1/2 Put as its steel proofed could I test the 3/4 or even full and see the results with my gambore mammoths 36g 1 and 3s Or is that a bad idea Its your gun so its for you to decide what chokes to use , personally I would be happy to put them through the full choke . to pattern shoot at a large board , you then draw on the 30" circle after you have shot so it has the most pellets possible in it. You need to know how many pellets are in the cartridge you are using , then count how many you get inside the 30" circle to work out what % you are getting at the given range. I don't know who said after market chokes make no difference but they are talking rubbish ! Quote Link to comment Share on other sites More sharing options...
farmboy807 Posted March 14, 2016 Author Report Share Posted March 14, 2016 Thanks fenboy it's was another thread on here ya I understand it's my gun just didn't make sense to make all chokes steel proof if not to be used that's all I will have to try them out and see before paying for a aftermarket choke How do you find out the number of pellets is there a safe way of getting them out of the cartridge Quote Link to comment Share on other sites More sharing options...
fenboy Posted March 14, 2016 Report Share Posted March 14, 2016 Just cut the top of a cartridge and remove the shot to count , pull the wad out tip the powder outside them put some oil in the empty case for a while which will kill the primer. Quote Link to comment Share on other sites More sharing options...
figgy Posted March 14, 2016 Report Share Posted March 14, 2016 (edited) Some people find the chokes that came with their guns pattern well and say aftermarket are rubbish as they don't give them anything more, range or pattern. My findings are the exact opposite hence why I buy an aftermarket wildfowl choke. I prefer Kicks Highflyer chokes but each to their own. Brierly do a Buck Gardner range of wildfowl chokes in the sizes you want. Your chokes should say Mobil or optima bore on both choke and barrel. If not it's easy if your barrel says 18.4 it's Mobil choked, if it says 18.6 or 18.7 it's optima due to being back bored over bored. It's the back bored barrels that optima chokes were designed for. Edited March 14, 2016 by figgy Quote Link to comment Share on other sites More sharing options...
farmboy807 Posted March 14, 2016 Author Report Share Posted March 14, 2016 Thanks fenboy and figgy I looked on my chokes last night And the chokes only say Pb sp and the chokes size Quote Link to comment Share on other sites More sharing options...
farmboy807 Posted March 14, 2016 Author Report Share Posted March 14, 2016 I will look on the gun for the numbers you said to see ya I believe that aftermarket would make a difference but if I can shot steel through my 3/4 and full will see how they pattern etc and then if they aren't Gd enough then will look into a aftermarket one What sort of percentage should you get or need say to be a good pattern Quote Link to comment Share on other sites More sharing options...
TONY R Posted March 14, 2016 Report Share Posted March 14, 2016 This link will let anyone identify exactly which type of ckoke your 391 has, they are very notable in their differernces, the very first picture on the link gives you all the info you will need in order to do this. http://www.shotgunwo...pic.php?t=73495 If i could get the same performance from a factory choke as i can from a aftermarket like a terror or a muller UFO etc i would simply save my money and use the factory chokes. People dont say these aftermarket tubes work when they dont, and the 100 pounds or so is an investment in perfection i am only too glad to pay. Quote Link to comment Share on other sites More sharing options...
motty Posted March 14, 2016 Report Share Posted March 14, 2016 I will look on the gun for the numbers you said to see ya I believe that aftermarket would make a difference but if I can shot steel through my 3/4 and full will see how they pattern etc and then if they aren't Gd enough then will look into a aftermarket one What sort of percentage should you get or need say to be a good pattern You obviously didn't take my advice. It took me about 10 seconds to find images of Mobil and optima chokes. Quote Link to comment Share on other sites More sharing options...
farmboy807 Posted March 14, 2016 Author Report Share Posted March 14, 2016 (edited) Hi motty sorry but I did look actually but pictures don't talk back but members on here do ok so Im asking members to ok sorry but if this bothers you please don't reply on this thread I looking for help not a moan Edited March 14, 2016 by farmboy807 Quote Link to comment Share on other sites More sharing options...
motty Posted March 14, 2016 Report Share Posted March 14, 2016 Hi motty sorry but I did look actually but pictures don't talk back but members on here do ok so Im asking members to ok sorry but if this bothers you please don't reply on this thread I looking for help not a moanI don't understand. I gave you good advice. I typed Mobil choke into Google. It shows loads of images of what that choke type is. It can't be much easier than that.More help. A flush Mobil choke will have the thread right at the top, the other Beretta variations do not. Quote Link to comment Share on other sites More sharing options...
pestcontrol1 Posted March 14, 2016 Report Share Posted March 14, 2016 Beretta Choke tubes identification suggestions How can I identify which screw in choke tubes I should use in my Beretta shotgun, Mobilechoke, Optima-Choke, Optima-Choke Plus, or Optima-Choke HP? What choke tube sets typically come with a field gun or competition gun and how can I tell what the constriction or choke of each tube is? Mobilchoke System Introduced in the mid 1980's the Mobilchoke tube system was first available for the model S687L over and under and later carried through virtually every model of fixed breech and semi-automatic shotgun. At this time the Mobilechoke is the only choke tube system adapted by Beretta to 12, 20, 28 gauge and .410. The Mobilchoke system continues to be the mainstay of the 680 series field grade over and under shotguns. 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. The conical parallel design results in reduced shot deformation, improved pattern uniformity and increased pattern density. Identifying Characteristics: The following pertains specifically to 12 gauge Mobilchoke tubes. While the dimensions noted will very for the 20, 28 gauge and .410 tubes, identification is very much self evident. Barrels that use the Mobilchoke will typically be marked only with the gauge marking. 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. The length of the threaded portion is a nominal 9.15 mm (..360 inch). The major diameter of the choke tube thread is 20.62 mm (.811 inch). Optima-Choke 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. The Optima barrels can be identified by locating the letters “OB” stamped next to the barrel gauge stamp. Barrels marked with the "OB" stamp will use the Optima-Choke system. This design features a longer internal transition taper into the choke constriction, making the overall length of this tube longer than the original Mobilchoke tube. Identifying Characteristics: Barrels that use the Optima-Choke will typically be marked OB immediately adjacent to the gauge marking. Optima-Choke choke tubes will be marked Optima-Choke. The start of the threaded portion of the Optima-Choke tube is located a nominal 50.78 mm (2.00 inch) from the breech end of the choke tube. The length of the threaded portion is a nominal 15.9 mm (.625 inch). The major diameter of the choke tube thread is 20 mm (.787 inch). At this time the Optima-Bore/Optima-Choke system is typically used on competition 391 series semi-automatic and 680 series over and under shotguns and Teknys Gold series only in the 391 Urika2 field guns. Important Note: The Optima-Choke choke tubes are not interchangeable nor usable with barrels designed for the Optima-Choke HP system. Use of Optima-Choke choke tubes in barrels designed for use with Optima-Choke HP tubes may result in catastrophic damage to your barrel and personal injury or death to the shooter or persons in the immediate vicinity! Optima-Choke Plus With the introduction of the model 391 Xtrema shotguns in 2003 the Optima barrel configuration was added into the 391 12-gauge line of field shotguns. In order to handle a higher volume of steel shot shells used in field hunting, the Optima-Choke tube was revised and manufactured with a thicker wall size. This revised choke tube was named the Optima-Choke Plus and featured the same Optima-Choke internal dimensions and performance but has a larger outside diameter and revised thread location. Identifying Characteristics: Barrels that use the Optima-Choke Plus will typically be marked 12 gauge 3 1/2" with no other identifying code mark in the immediate area of the gauge marking Optima-Choke Plus choke tubes will be marked Optima-Choke-Plus. The start of the threaded portion of the Optima-Choke Plus tube is located a nominal 41.9mm (1.64 inch) from the breech end of the choke tube. The length of the threaded portion is a nominal 10 mm (..394 inch). The major diameter of the choke tube thread is 20.58 mm (.810 inch). At this time the Optima-Choke Plus system is typically used on the Xtrema, Xtrema2 semi-automatic field guns and 471 Silver Hawk side by side shotguns (12 Ga.). Important Note: The Optima-Choke Plus choke tubes are not interchangeable nor usable with barrels designed for use with any other Optima-Choke/Optima-Choke HP system. Use of Optima-Choke Plus choke tubes in barrels designed for use with any other Optima-Choke/Optima-Choke HP tubes may result in catastrophic damage to your barrel and personal injury or death to the shooter or persons in the immediate vicinity! Optima-Choke High Performance (Optima-Choke HP) With the introduction of the SV-10 Perenina and Prevail series over and under shotguns in 2008 a third Optima-Bore choke configuration was added, the Optima-Choke HP. As noted above under the Optima-Choke Plus section, the extended use of high performance steel and metal alloy non-toxic shot imparts considerable stresses. In the case of the Optima-Choke Plus part of the solution was to use a choke tube design offering a thicker choke tube wall to better resist these forces. This in turn results in a heavier, larger diameter barrel. One of the principal objectives in designing the Optima-Choke HP (OB HP)system was to develop a choke tube system that would withstand the rigors of the extended use of heavy payloads of steel/metal alloy shot while being able to retain the weight saving and handling characteristics of the lighter Optima-Choke barrel contour. To accomplish this Beretta engineers designed a choke system locating the threaded portion of tube a nominal 10 mm (.394 inch) further to the rear of the muzzle end of the tube then found on the Optima-Choke system. This effectively created an increase in wall thickness at the muzzle end of the choke tube where the greatest degree of choke constriction typically occurs and stresses are the highest without having to use the larger barrel contour. Identifying Characteristics: Barrels that use the Optima-Choke HP will be marked OB HP immediately adjacent to the gauge marking. Optima-Choke HP choke tubes will be marked Optima-Choke-HP. The start of the threaded portion of the Optima-Choke-HP tube is located a nominal 40 mm (1.57 inch) from the breech end of the choke tube. The length of the threaded portion is a nominal 19 mm (.748 inch). The major diameter of the choke tube thread is 20 mm (.787 inch). At this time the Optima-Choke HP system is typically used on the SV-10 Perennia and Prevail series over and under and the UGB 25 Gold Sporting semi-automatic shotgun. Important Note: The Optima-Choke HP choke tubes are not interchangeable nor usable with barrels designed for the Optima-Choke system. Use of Optima-Choke HP choke tubes in barrels designed for use with Optima-Choke Tubes may result in catastrophic damage to your barrel and personal injury or death to the shooter or persons in the immediate vicinity! Other Specifics Each of the above choke tube types is designed for use with a specific type barrel and as such features different thread locations and external measurements, none can be interchanged with the other Beretta choke types. Every Beretta choke tube has information engraved on the tube to identifying the manufacturer (PB), the constriction (F, IM, M, IC, CYL), the approval for steel shot use (SP) and the choke type (Optima-Choke, Optima-Choke Plus, Optima-Choke HP) Within each of the three choke types we offer different variations of length and finish. The length variations available for each type is flush fit or extended choke tubes. Most field shotguns are equipped with flush chokes. Sporting and skeet shotguns will be equipped with extended tubes. The Beretta factory may supply trap guns with either choke variation as determined. Within the extended choke variations we offer two finishes. Since the extended chokes are exposed past the shotgun muzzle we offer choke tubes with a black non-reflective finish for hunters. A bright finish tube with colored bands is offered for competitive shooters, this band allows easy identification of the tube constriction. It should be mentioned that two other choke types saw a limited use. Supplied with some 302 and 303 models shotguns was an early version of the Mobilchoke where the tube body was not threaded but smooth. This type tube was dropped into the muzzle end of the barrel and secured by collar threaded onto the barrel muzzle. This tube type is no longer available from Beretta. The second type was offered on an early version of the DT-10 shotgun made specifically for trap, this shotgun was known as the Vandalia model. These tubes are similar in size to the Optima choke flush tube but are not interchangeable with them. We still carry replacement tubes for this specific model. Identifying Which Choke Comes with Our Shotguns: The following summary is used to decode the listings supplied in our product catalog specification charts: CHOKE CODE CHOKES INCLUDED CHOKE TUBE SYSTEM MC F-IM-M-IC-CYL MOBILCHOKE MC2 M-IC MOBILCHOKE MC3 F-M-IC MOBILCHOKE MCS (SPORTING) F-IM-M-IC-SK MOBILCHOKE MCS2 (SPORTING) IM-M-IC-C-SK MOBILCHOKE MCF (FIELD) F-IM-M-IC-CYL MOBILCHOKE MC6 (SPORTING) F-IM-M-IC-SK-SK MOBILCHOKE IC IC only MOBILCHOKE OBF (FIELD) F-IM-M-IC-C OPTIMA CHOKE AND PLUS OBS (SPORTING) F-IM-M-IC-C OPTIMA CHOKE OBSK (SKEET) IM-M-IC-SK-SK OPTIMA CHOKE OBSP (SPORTING) IM-M-IC-C-SK OPTIMA CHOKE OCF (417 SILVER HAWK) F-IM-M-IC-CYL OPTIMA CHOKE PLUS OFAS (SPORTING) F-IM-M-IC-SK OPTIMA CHOKE OBTR (TRAP) F-IM-M-IC OPTIMA CHOKE OBTS (TRAP) F-IM-M OPTIMA CHOKE OBF-HP (FIELD, FLUSH) NOTE : SUBJECT TO CHANGE, CHOKE SELECTION AND NUMBER OF TUBES NOT FINALIZED AT TIME OF PUBLISHING. CONFIRM WITH YOUR DEALER PRIOR TO PURCHASE. F-IM-M-IC-C OPTIMA-HP OBSP-HP (SPORT ) NOTE : SUBJECT TO CHANGE, CHOKE SELECTION AND NUMBER OF TUBES NOT FINALIZED AT TIME OF PUBLISHING. CONFIRM WITH YOUR DEALER PRIOR TO PURCHASE. IM-M-IC-C-SK OPTIMA-HP Please note that the OBF code is used for both Optima-Choke and Optima-Choke Plus tubes. *OCF is the exception to the rule previously listed under the Optima-Choke Plus heading, the 471 Silver Hawk shotguns are considered field models but utilize the Optima-Choke tube. These codes do not indicate if the supplied choke is flush or extended. If the listing is shown as IC/IM this indicates that the choke constriction is fixed at these values, the barrel does not use choke tubes. Identifying the Constriction The following is a listing of identification marks and color bands used on the Beretta Mobil and Optima choke tube systems: Stars and Alpha code will be engraved on the side of the tube body. The serrations or notch's may be found on the muzzle end of flush choke tubes for easy identification of the tube when it is installed in the barrel. Color bands are used for identification on the outside of extended choke tubes. Identification * / Stars Alpha Code Serrations Color Bands Xtra Full XFULL TURKEY No Color Full * F 1 White Light Full LF Gray Improved Modified ** IM 2 Black Modified *** M 3 Green Light Modified LM Orange Improved Cylinder **** IC 4 Yellow Skeet USA SK USA Purple Skeet SK Red Cylinder ***** CYL 5 Blue SP - ALL STEEL SHOT COMPATABLE CHOKE TUBES NOTE: Markings may vary based on type of choke tube To view all of chokes and purchase the ones that you need, go to the Beretta e-Store. Revision Date: 10/2013 Have a read of this it may be of some help Quote Link to comment Share on other sites More sharing options...
farmboy807 Posted March 14, 2016 Author Report Share Posted March 14, 2016 Thank you pest control that was very helpful and motty I know you helped never said you didn't you just kept sayin search the net but I found it easier talking to people on here and you said in your last reply about Mobil choke not hard to find I didn't even know my was Mobil until I had matches mine with the last link showing three different chokes for beretta no hard feeling Just wanted help ok not arguement 👍 Quote Link to comment Share on other sites More sharing options...
TONY R Posted March 14, 2016 Report Share Posted March 14, 2016 This picture off the link i prvided is prety self explanatory all by itself. just compare your chokes to the photo. Quote Link to comment Share on other sites More sharing options...
farmboy807 Posted March 14, 2016 Author Report Share Posted March 14, 2016 Ya thanks tony I compared it to thank one is the Mobil choke one on the right gunna pattern test my 3/4 and full see the % then if needed purchase a aftermarket one Quote Link to comment Share on other sites More sharing options...
TONY R Posted March 14, 2016 Report Share Posted March 14, 2016 I did think it would be a mobil choke set up, but you just never know with the different models. And i am no Beretta Expert sorry to say. Glad you got it worked out anyway. Quote Link to comment Share on other sites More sharing options...
pestcontrol1 Posted March 14, 2016 Report Share Posted March 14, 2016 Be careful putting steel throw factory chokes tighter than half especially with bigger shot sizes Quote Link to comment Share on other sites More sharing options...
farmboy807 Posted March 14, 2016 Author Report Share Posted March 14, 2016 Ok the biggest I will be is 36g 1 why is tht Pest control what can Happen Quote Link to comment Share on other sites More sharing options...
pestcontrol1 Posted March 14, 2016 Report Share Posted March 14, 2016 Steel dunt go throw chokes the same as lead so you will find that if you go to tight as it exits the choke it sort of springs out so in stead of say a full choke you get a skeet or 1/4 paten i did all this when i got my baikal auto knackered two chokes with factory 36 gram #1 an #BB. the best choke i found for #1 and bigger was Half i shot that for four or five seasons and then i bought a paten master code black duck and goose. They are far better than the factory chokes better kills more range and you can throw what ever you want throw them Quote Link to comment Share on other sites More sharing options...
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