Originally Posted by
fourXfour
My bolt was not locking back when I shot 125 grain Gorilla ammo with the H2 buffer. It locked back fine with 125 grain Remington.
I tried the H buffer and could not get the bolt to lock back with Gorilla. I then tried a carbine buffer and it worked perfectly. I'm low on ammo and I will eventually try Fiocchi next.
Ran it with an "H" and "H2" buffer today with supersonic loads and the bolt locked back every-time. I'm pretty sure the added back-pressure from the Noveske KX5 helps a good bit as well.
"The future's uncertain, and the end is always near." Jim Morrison
"Fortuitous outcomes reinforce poor training and tactics"
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