Muzzle velocity Differences between bolt release and cycled round??
#5
Welcome to the Horde, wrinklestar.

Next time you're at the range, do the following.

Measure the COAL of a round and chamber it using the bolt release, but do not fire it. Eject that round and observe whether or not there is any resistance to extraction, marks on the bullet, etc. Re-measure to see if it is any longer.

Now, measure another round, and place it in the magazine, beneath another. Insert the magazine and chamber the first round. Fire that round, but not the second. Extract the cycled round, and repeat the above steps. If there is any indication that the round was jammed forward into the lands or was sticking into the chamber, in any way, you likely will have your answer. (Higher pressure.)

Hey, it's just a theory, right?
If it's true that we are here to help others, then what exactly are the others here for?
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Muzzle velocity Differences between bolt release and cycled round?? - by NugginFutz - 10-15-2018, 09:53 PM

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