Why would the starting load back my primers out?

I don't necessarily want to shoot lighter loads, but I want to be able to hit a gopher. The XCR actually has some potential, but mine came with every problem in the book. Match bullets do well in it, but the various Vmax and Sierra varminters I've tried just don't. The 60 grain Vmax only seems to work with a really light load. I've tried H335, Varget, H322 and even some H380.

I think I'll keep working the Varget load because I've got a lot of powder to use up, and as I mentioned in my original post, it gave the best results so far.
 
Could depend on what primers you are using too.I find CCI primers to be a little tighter fit than WW or Fed.Also,if it doesn't happen consistantly,have a look at the flash holes.They could be over size.

Off topic,for a second.
MSG.Drew and Ben Hunchak.I notice you mention reduced and sub sonic loads.Either of you or anybody,for that matter,ever try stuff like that in .223 Rem ? Start a new post and let me know.I'm messin around with rimfire velocities in my Savage 12.I'm getting some promising results.Will know more soon,if the weather ever smartens up.
 
Primers made no difference in backing out in my rifle.

Update and new data.
I rebarreled, and find that while the old barrel produced obviously bulgy cases (fireformed), the new one (Lothar Walther) makes cases that look like unfired - no bulge at all, and no backed out primers. Ever.

So maybe the cause can be sideways slop as well as lengthwise.
 
Yes I had used various handgun powder in the .223 rifle starting at about 3 grains IIRC... using only visual signs of pressure I far exceeded the recomened load levels published for this handgun powder. The .223 was fired out of a NATO camber.

I was searching for a cheaper way of powering my ar-15 for indoor range plinking... my reduced load for rifle powder is 18-20 grains of 3031 and I had worked the pistol powder up to 15 grains and it was still not strong enough to cycle the action so I gave up and went back to my reduced rifle loads

With 3 grains of pistol powder there is no doubt in my mind they where subsonic... no I have a cronograph so I could check them out if I loaded up more.

I believe ben has a 300 wisper its a purpose built subsonic round that fires a big heavy bullet with little noise was developed by the U.S. Army IRCC

I recommend before attempting to even try this pistol powder loads you read up throughly on reduced reloading and you better know what your doing before you even think about attempting to exceed any published max load limit... this is not something I suggest everyone attempts.... In fact I rec omened that you never exceed the published load data ever, and furthermore I can not be held responsible if you try anything mentioned above its for educational purposes only. If you have a remote firing platform and dont mind blowing up a thing or two then you can work on your own custom loads...


puterbrother said:
Could depend on what primers you are using too.I find CCI primers to be a little tighter fit than WW or Fed.Also,if it doesn't happen consistantly,have a look at the flash holes.They could be over size.

Off topic,for a second.
MSG.Drew and Ben Hunchak.I notice you mention reduced and sub sonic loads.Either of you or anybody,for that matter,ever try stuff like that in .223 Rem ? Start a new post and let me know.I'm messin around with rimfire velocities in my Savage 12.I'm getting some promising results.Will know more soon,if the weather ever smartens up.
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