I did some pattern testing last summer with a Muller U4 & a .35 Comp-N-Choke. I have been using comp-n-choke for some time & really like their patterns but do not like the extensive cleaning that they require. The Muller patterned almost exactly like the comp-n-choke @ 40 yds. I now use the U4 for singles & caps. Cleaning is easier with the Muller than any choke that I have used.
PM me for details of the patterning if you want more info.
based on the 20+ thread that was going on over on shotgun world last summer and the numerous threads that resulted afterwards, Muller chokes are a very good alternative to the pricey Ti chokes and they seem to produce an even pattern, no "hot cores"....plus they are easier to clean up.
Muller seems to have worked out all the kinks from last year, when he was running into trouble getting his business started up.
I kept my pair of U3 tubes for my K80....I sold my U1 and U2 pairs just because I prefer to shoot a more tighter chokes for sporting clays and sometimes the once in a blue moon round of trap. I kept all of my other chokes (Briley Ti, Teagues, Krieghoffs, Extreme) and I won't be ditching them for the Mullers.
I like them. They do pattern very nicely in my sporting guns. In my Beretta trap gun I used the U3 of singles and a U4 for anything further back. His claims about easy cleaning and less of a hot core are fairly accurate. But in reality the real difference between Mullers and extended steel chokes is the weight. If you NEED to get some weight off the end of your barrel then they are the ticket, however if you like the balance or want more weigh out there then standard chokes are a better choice. BTW...I just started shooting a Caesar Guerini Trap, using the CG chokes that came with the gun with no complaints so far.
p.s. As a comparison my Mullers weight less then 1/2 of what my Pure Gold extended chokes weigh. That saved me almost 3 ounces at the end of my O/U sporter.
Muller U2=18.2 grams, Pure Gold=55.2 grams. Both pattern great in my Browning, much nice than the Browning or Briley chokes. Like I said earlier...its a weight thing.
I am unsure about the patterning claims..I purchased a U2 (nominal IC) that is stated to break targets like a modified. I cannot argue with the breaks but the constriction is .022 kind of like a tight modified. So are the patterns better or just responding to a tight choke ??
Read the sections on chokes in Dr. A C Jones new book about sporting shotguns and you'll begin to understand how pointless it is to buy chokes based on pattern claims... or how ludicrous it is for the manufacturers to make these claims.
I'll let you know if I ever get mine so far not impressed by service or communication.Ordered Dec 29th emailed me a week later it was on the way hadn't seen it or he hasn't returned calls or emails.BAD BAD BAD.