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Cabob

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Reply with quote  #26 
Ranger Joe- Thanks. I had a feeling that some sort of work hardening or brass fatigue had occurred, but now I can visualize it. I've never annealed them. I'm not set up, as of yet, to properly anneal. I've seen videos of guys doing it with templac, a torch, and some luck, but if I'm going to add that to the reloading repertoire I want to use the correct method. I think I'll measure a few 5.56 cases and compare them with a fire firmed Ocelot case, just for fun!
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RangerJoe

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Reply with quote  #27 
I'll anneal brass for you on my annealeez if you pay shipping. I'd suggest twice, before and after first firing.  Should be good to go after that.  How many firings did those cases have before the longitudinal splits?
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wikster1983

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Reply with quote  #28 
Quote:
Originally Posted by RangerJoe
I'll anneal brass for you on my annealeez if you pay shipping. I'd suggest twice, before and after first firing.  Should be good to go after that.  How many firings did those cases have before the longitudinal splits?

I can't speak for Cabob- but mine were on fireform shots after being converted from once fired 5.56.

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Cabob

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Reply with quote  #29 
Yeah, what Wikster said. They were on fresh cases. I haven't had a single problem once fire formed. And man, they don't grow. That 40 degree shoulder is amazing. 1.695 before fire forming, 1.688-1.690 fired, and 1.691-1.693 after sizing. It may be a couple more firings before I even need to trim!
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Cabob

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Reply with quote  #30 
RJ, thanks for offering to anneal them. How well does that Annealz machine work? I looked them up last summer, but never followed through on a purchase. I need to someday. We have lots of cases around here that have work hardened over the years, and are in dire need of annealing!
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RangerJoe

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Reply with quote  #31 
Mine works GREAT.  I did buy the Magnum and Small-case wheel kits and am glad I did.  I've done cases ranging from .300 Win Mag & 7mm Rem Mag size, to a wide range of .30-'06 , .308, and .223 based cases (including our 'cats), down to .22 Hornet.  As I recall, the only cases I've had some issue with was the .22 Hornet; the combination of the rim and extreme body taper kept causing cases to fall out while feeding (maybe 1~3 per minute), but it was no big deal.  I don't know when this product came to market, but I wish I had this 30 years ago!
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Cabob

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Reply with quote  #32 
Sounds like a future purchase, for sure.
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Cabob

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Reply with quote  #33 
Man, I'm frustrated right now. I've been hearing great things about the MDWS hybrid muzzle devices, and decided (with the 25% discount) that I just had to have one. Well, the .264 one showed up today (there isn't one for a .257, yet) and I decided to mock it up on my .257 Ocelot barrel. It didn't go as planned....

A little back story:

When the 20" Ocelot barrel showed up about a month ago, the first thing that I did was try to put a new Grovetec thread protector on the barrel. It wouldn't thread on without lots of force. I ended up stealing the one off of my WLV, and it fit great. Screwed right on, no problem. And the new thread protector went onto the WLV barrel with a little force, but not as much as I found with the Ocelot barrel. So I just figured the specs on the threads of the protector might have been a little off. No big deal... Wrong...

Fast forward to now:

I couldn't wait to get the muzzle device put on, grabbed the gun out of the gun safe, unthreaded the thread protector, and tried to thread on the muzzle device. I was able to get it on five threads by hand and thought, "Gee, I should stop... Something doesn't feel right" but I didn't. I grabbed the nearest crescent wrench I could find, put some paper towels over the flat spot on the muzzle device, and proceeded to screw it on two more threads before it became too tight to hold the gun by hand and screw the break on... "Hmm, somethings totally not right." 

So I grabbed my upper vice block, took the scope off and upper off of the lower, and proceeded to go to the shop. I set the upper up in the vise, and proceeded to unscrew the muzzle device off of the barrel. I had to flat "crank" on the muzzle device to get it off. Grr!!! I could hear threads starting to pop! Great.  Well, I finally got it off and this is what I found:

257ocelotbarrel.jpg  257ocelothmd.jpg 

Grr!! I think the threads were too tight on the barrel..... I've just ordered a tap in die in 5/8-24. I wish I had one before I ever tried to screw the muzzle device on. 
I hope I can clean up the threads enough to save the HMD, and use it... Or at least re-use my thread protector... I'm disgusted with myself right now!

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wikster1983

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Reply with quote  #34 
That sucks! I hope you can win on both ends! Good luck!
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BIGGDAWG

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Reply with quote  #35 
Did you take the set screw out of the hmd before threading it on?
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Cabob

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Reply with quote  #36 
Yes, the set screw was out.
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