03-26-2021, 08:20 PM
Cool. BTW, my new and improved bolt — Mk136 Mod1 — has a slightly thicker rim upon which the lugs sit, which will make the rim about as thick as a standard 6.8 SPC bolt. This batch is due mid April.
Having said that, none of the larger case heads inheriting standard 5.56 bolt dimensions is gonna have the same bolt life as the round counts on a 5.56 bolt. Simple physics and metallurgy.
There are other solutions that don't resort to exotic and expensive metals, but have deep development costs. Meanwhile, it is what it is. ;-)
Having said that, none of the larger case heads inheriting standard 5.56 bolt dimensions is gonna have the same bolt life as the round counts on a 5.56 bolt. Simple physics and metallurgy.
There are other solutions that don't resort to exotic and expensive metals, but have deep development costs. Meanwhile, it is what it is. ;-)
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