ds762 You have different options, heavier buffer, carrier weight, hydraulic buffer, adjustable gas block. An adjustable gas block would fix your over gassing problem. I have a 300/221 16" with pistol gas system opened to .120 I only run subs with a Enedine hydraulic carbine buffer to slow the action. You would have to experiment with weights and heavy buffers, to find the right combo, and still be able to run your sub loads. The cam pin wear is normal, just keep it lubed, I like Tetra lube, good stuff in AR's.
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"Get down, shut up" Lieutenant DAN
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