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Joined: Jun 2013
Posts: 130
Campfire Member
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Campfire Member
Joined: Jun 2013
Posts: 130 |
Well I tried different magazines,The 20 rounders that load on the right hand side first,the bolt will not lock open on.The 30 rounders that you load on the left side first,they do lock open on??I was using H4198 when it would not feed correctly.I used H335 and CFE 223 and it feeds correctly as long as I use the 30 rounders.I have about 140 rounds through it now.I even put that upper on another lower and it was better,but still did the miss feeds.I will admit I do not know a lot about AR`s.I have two 223 wyldes that I have run thousands of rounds through with no hiccups.Go figure? Sounds like short stroking. 4198 is a fast burning powder so it may have a sharp pressure curve which drops off quick by the time it gets to the gas port. If it isn't locking back and everything is aligned correctly you may need to increase the port size IF you want to keep using 4198 at the charge weight you have tried. It's best IMO not to try to get it to cycle with the first loads you try. Work up the loads to the accuracy and velocity you want including using the powder and charge that performs best then if it doesn't lock back make the adjustment.
"I threw a touchdown pass in the last minute to win the state championship game. I know it was 30 years ago and not relevant to this discussion but it makes me important and believable, it's the only great thing I even accomplished"
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Joined: Jan 2005
Posts: 57,474
Campfire Kahuna
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Campfire Kahuna
Joined: Jan 2005
Posts: 57,474 |
It's a buffer assembly, and the specific part of the assembly that is a spring, is identified as an action spring. It has been so since it was invented, and is identified as such in every Marine Corps manual I have ever seen. I am pretty sure the Army uses the same terminology, as quite a number of parts manufacturers list action spring as part of the description.
But, usage of the term buffer spring is common, though my guess it originated as some sort of slang term from buffer assembly spring. But reality, the spring does not "spring the buffer", it springs the action, hence it is an action spring. I always heard a sprung action was detrimental to accuracy.
We can keep Larry Root and all his idiotic blabber and user names on here, but we can't get Ralph back..... Whiskey Tango Foxtrot, over....
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Joined: Nov 2003
Posts: 18,300
Campfire Ranger
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Campfire Ranger
Joined: Nov 2003
Posts: 18,300 |
BCM has action springs for $4.50, OTOH if you all feel you need a bufferin spring take two of these.  ![[Linked Image]](http://i243.photobucket.com/albums/ff205/Jimmyp50/buffer_zpsxlkhprha.jpg)
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