deerslayer Posted May 15 Report Share Posted May 15 I had two of the waffenmeister actuators come into my hands. I modified one to 1921 status. The steel is very hard. Like their gripmounts. It appears to be cast steel. Took twice as long to make as a standard gi actuator. Link to comment Share on other sites More sharing options...
SP Sarge Posted May 15 Report Share Posted May 15 Good to know Dan thanks for posting. I've eyed those from time to time as I'm on your wait list to have two 28's cut down to 21's. Sounds like it's an easier task for you if surplus GI 28's are used, and less prone to breakage with those I'd guess since they are not cast. Link to comment Share on other sites More sharing options...
deerslayer Posted May 15 Author Report Share Posted May 15 I shot 150 rounds today. Not exhaustive but it ran flawlessly. They look very well made. Link to comment Share on other sites More sharing options...
Varminter Posted May 16 Report Share Posted May 16 Nice work Dan! Link to comment Share on other sites More sharing options...
TD. Posted May 16 Report Share Posted May 16 If the Waffenmeister 1928 actuator is cast steel, can it be as durable as a milled USGI 1928 actuator? I know the cast West Hurley 1928 actuators are junk. That said, can a cast part manufactured today be just as good as a milled part manufactured during World War II. I am also curious if the Waffenmeister 1928 actuator is manufactured to USGI specifications. Link to comment Share on other sites More sharing options...
jim c 351 Posted May 16 Report Share Posted May 16 3 hours ago, TD. said: If the Waffenmeister 1928 actuator is cast steel, can it be as durable as a milled USGI 1928 actuator? I know the cast West Hurley 1928 actuators are junk. That said, can a cast part manufactured today be just as good as a milled part manufactured during World War II. I am also curious if the Waffenmeister 1928 actuator is manufactured to USGI specifications. TD, That would be a good question to ask someone at Ruger firearms. They make all kinds of high pressure rifle and revolver receivers out of castings. Jim C Link to comment Share on other sites More sharing options...
StrangeRanger Posted May 16 Report Share Posted May 16 Ruger uses investment casting. That's a whole 'nother animal. The end result is the same as if it were machined from billet only a lot less expensive. I sent Waffenmeisters an email asking about the manufacturing process and material. Let's see what they say Link to comment Share on other sites More sharing options...
rodfarva Posted May 16 Report Share Posted May 16 Thanks for sharing. This thread reminds me that I still need to source a spare 1928 actuator to have milled to '21 specs to use with my 1928AC Link to comment Share on other sites More sharing options...
StrangeRanger Posted May 16 Report Share Posted May 16 Waffnmeisters confirmed that they are cast, said they will get back to me on the steel spec. Link to comment Share on other sites More sharing options...
Bridgeport28A1 Posted May 16 Report Share Posted May 16 So are Waffenmeisters Thompson Grip Bars also cast steel? Link to comment Share on other sites More sharing options...
deerslayer Posted May 16 Author Report Share Posted May 16 I would guess they are cast too. The gripmounts are almost impossible to drill through. (Like for quick change barrel option set screw). They are good quality. I like the actuators. They are well made and if, like a quality ruger part are made in a similar way, they should be good to use. Link to comment Share on other sites More sharing options...
StrangeRanger Posted May 16 Report Share Posted May 16 FWIW: https://www.waffenmeisters.com/us-russian-and-allied-c-71-1/united-states-c-80-1/thompson-grip-mount-resting-bar-1928-smg-m1-m1a1-p-325-1 Link to comment Share on other sites More sharing options...
StrangeRanger Posted May 18 Report Share Posted May 18 Just heard from Waffenmeisrers. the actuator is made from 4140, Link to comment Share on other sites More sharing options...
Varminter Posted May 30 Report Share Posted May 30 I got these back today (two Waffenmeister's) from Dan. Just can't seem to put my Colt 1921/28 down. Cycles fast and smoothly. Great work from Dan - very well finished. He mentioned that since the steel seems harder, who knows if it will last shorter or longer. This is going to get expensive. Thanks Dan! Link to comment Share on other sites More sharing options...
TD. Posted June 4 Report Share Posted June 4 For $89, this actuator is definitely not overpriced and worth a try if you need a 1928 actuator. I would really like to see someone use one for 1000 rounds, including a few C and L drum dumps, and report back as to the condition of the actuator. Varminter, Bring the cut down 21 style Waffenmeister actuator to Tracie's and I will gladly do a C drum dump with it during the free shoot event. Link to comment Share on other sites More sharing options...
Varminter Posted June 5 Report Share Posted June 5 I put another 100 through it this weekend. TD - if I am in town I'll gladly let you try it out. The higher rate of fire is just smooth. Link to comment Share on other sites More sharing options...
TD. Posted June 5 Report Share Posted June 5 Varminter, I do hope you make the Show & Shoot. Aside from meeting you, I would like to take a close look at this actuator. Link to comment Share on other sites More sharing options...
Countryboy77 Posted June 7 Report Share Posted June 7 Looking at the detail of the knurling if it's not investment cast they would have to been knurled after and if they are as hard as they are saying probly a quality cast .Ruger uses investment cast parts but they are using quality refined metals and been doing it a long time. It's about the materials and attention to details .If they are as hard as said maybe they should be annealed before cutting to 21 configuration and that would make them less brittle and less prone to breakage if they are 4140.Casting can be just as strong as billet and most castings get finish machining lapping ect.For the price I'm buying 2.I will be doing exactly as I say and when I get home hardness reading I will post it before and after anneal. 1 Link to comment Share on other sites More sharing options...
reconbob Posted June 10 Report Share Posted June 10 Looking at the photos it’s clear that the actuator is a machined casting. You can see the striations from endmillng on the top and bottom and see the rougher raw cast finish on the sides. The ball knob looks smoother than the sides so I would guess is machined also. The poor quality NAC castings used on the West Hurley Thompsons is now almost 50 years ago and to immediately worry that a part made today would be that bad to me makes no sense. The advances in metallurgy and technology have been astonishing. Back then there were no computers, no CNC, etc. I use the Waffenmeisters grip mounts all the time. They are a quality part and do not have the grainy raw cast finish you see on the sides of the actuator. Whether they are machined from bar stock or machined castings I do not know. Bob Link to comment Share on other sites More sharing options...
TD. Posted June 10 Report Share Posted June 10 StrangeRanger, Since you have opened a dialog with the officials at Waffenmeisters, I am directing this question to you. Buying a 1928 actuator from Waffenmeisters and having it cut down to the 1921 style appears to be a good option for those wanting to have the option of both systems. The quality of their 1928 actuator appears excellent and the price is very reasonable. Would you contact Waffenmeisters and ask them to consider making and marketing a reproduction 1921 actuator. It seems they have everything in place for this product. Couple a 1921 style Waffenmeisters actuator with a Diamond K Companies (PK.) hybrid 1921/28 buffer pilot and spring and your off the races! Link to comment Share on other sites More sharing options...
jpw43 Posted July 31 Report Share Posted July 31 That would be great if they made the 21 actuators. Would it be much harder (no pun intended) to do? Link to comment Share on other sites More sharing options...
colt21a Posted July 31 Report Share Posted July 31 And if they charged $250 for a 21 style why not. what other thing you going to do buy a colt?Seems to me for the small market now that it is for Thompsons today.WITH THE COST OF {THE REAL DEAL} THEY CAN GET THAT DONE AND CHARGE A LITTLE MORE. THEY ARE NOT GOING TO SELL 100'S LET ALONE 1,000'S TO MAKE ANY EXTRA LABOR BACK IN BIG SALES. > so they upcharge for the 21 model< When the drum deal was going on with manufacture with Taiwan, i had some input with the deal {since i did the MP-44 MAG DEAL WITH THEM.} THE PRODUCTION WOULD COST $100.00 each for a run of 1,000 drums.i had a backer, since most big talkers wanted nothing to do with taking a order from me for 100 drums for $15,000. Like the 1000 MP-44 mag order. so glad others did the homework waffen guys can start making and selling 21's. I always enjoy these posts of that stuff. Not even sure what the Crosby drums go for after Kahr got involved it all changed with marking and status. The first batch had been the ones to buy anyhow. Link to comment Share on other sites More sharing options...
jpw43 Posted August 16 Report Share Posted August 16 I got an email response from Waffenmeister. They aren't going to make any 21 style actuators. Who is doing the modification if I want to have one cut down? Link to comment Share on other sites More sharing options...
jpw43 Posted September 19 Report Share Posted September 19 I got to try out the Waffenfmeister actuator Dan turned into a '21 actuator. Along with PK's hybrid buffer it worked like a charm! Link to comment Share on other sites More sharing options...
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