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Roger that on the KKM. I use the KKM's in all of my .357 Sig, 10mm, and .45acp Glocks due to the better chamber support that allows for higher pressure ammunition to be fired safely. I have seen conventional plus P ammunition show signs of internal case rupture and blown primers from the factory 31-33 barrels.
KKM is also provides excellent quality and service for custom length barrels and threads.
I run a standard length Glock-31 barrel, that turns 2350fps with the BMT CQB ammunition that penetrates 1/4 inch stainless. The 6.5" KKMs run past 2600fps from the same Glock which ups the ante some.
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