Question for those in the know:
As title asks - who actually makes the bolt?
Recall reading that a "batch" of 158 carpenter steel costs something in the range of $500.000, based on which I assume only a limited amount of manufacturers actually have the means to purchase and manufacture the bolt.
And what about the carriers and other parts?
Is there some magic castle in the sky that machines all the bolts (and carriers), which then "fall" to earth for all the manufacturers to put their finishing touches on (gas key, staking, HP/MPT etc etc).
Based on this info, aren't all BCG's more or less identical in origin, but the parts/testing used during final assembly is where it all happens?
Or am I completely misguided and misinformed?
(by the way - this is not a question why or not HP/MPT is redundant.....)


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